Heat treatment in United States
Hardening, annealing and tempering that change the strength and wear resistance of metal parts.
As of 2026-10-04, 653 heat treatment manufacturers in United States are listed here, compiled from open data and each company's own website. The most listings are in Houston (18), Detroit (6), Troy (6). 32% state that they take prototype or one-off orders. 31% mention ISO 9001.
| ORDER SIZE | QUOTE | FILES | CERTIFICATIONS | LINKS | STATUS | |||
|---|---|---|---|---|---|---|---|---|
| Acero Manufacturing Bedford · United States · copper, stainless-steel, steel Serves: automotive, construction | Strong match | QuoteContactSource | 2026-10-04 | Claim › | ||||
| Advanced Heat Treat Corporation Waterloo · United States · aluminium, plastic, stainless-steel Serves: aerospace | Strong match | QuoteContactSource | 2026-10-04 | Claim › | ||||
| Advanced Heat Treating Inc St Marys · United States Serves: automotive, medical | Strong match | AS9100ISO 9001 | 2026-10-04 | Claim › | ||||
| Akron Steel Treating Company Akron · United States · plastic, steel Serves: aerospace, automotive, medical | Strong match | QuoteContactAgent-ready | 2026-10-03 | Claim › | ||||
| All-pro Threaded Products Arlington · United States · steel Serves: construction | Strong match | ISO 9001 | ContactSource | 2026-10-04 | Claim › | |||
| American Metal Processing Warren · United States · steel Serves: automotive | Strong match | Series | IATF 16949ISO 9001 | ContactSource | 2026-10-04 | Claim › | ||
| Amg Products, Llc Mount Vernon · United States · aluminium, brass, copper Serves: aerospace, automotive | Strong match | Prototype | ISO 9001 | ContactSource | 2026-10-04 | Claim › | ||
| Axion Labs Inc Westlake · United States · aluminium, brass, copper Machines: 5-axis machining, Haas, Markforged Serves: aerospace, medical | Strong match | PrototypeSmall batch | DWGDXFIGESSTEPSTL | AS9100ISO 13485ISO 9001ITARROHS | Source | 2026-10-04 | Claim › | |
| B4c Technologies Palm City · United States · steel, titanium | Strong match | Contact | 2026-10-04 | Claim › | ||||
| Bluewater Thermal Solutions Rockford · United States · aluminium, copper, stainless-steel Serves: aerospace, automotive | Strong match | Series | QuotePortfolioContactSource | 2026-10-04 | Claim › | |||
| Braddock Metallurgical Boynton Beach · United States · aluminium Serves: aerospace, automotive | Strong match | QuoteContact | 2026-10-04 | Claim › | ||||
| Bunty Llc Greenville · United States · aluminium, brass, copper Machines: 5-axis machining Serves: aerospace, automotive | Strong match | PrototypeSeries | AS9100ISO 9001 | QuoteContactSource | 2026-10-04 | Claim › | ||
| Century Sun Metal Treating Traverse City · United States · steel | Strong match | QuoteContactSource | 2026-10-04 | Claim › | ||||
| Cleveland Gear Co. Cleveland · United States · aluminium, stainless-steel, steel Serves: automotive | Strong match | ContactSource | 2026-10-04 | Claim › | ||||
| Cooper Mat Llc Detroit · United States · plastic | Strong match | QuoteContact | 2026-10-04 | Claim › | ||||
| County Heat Treat Millbury · United States · aluminium, copper, stainless-steel Serves: aerospace, automotive | Strong match | PrototypeSeries | ISO 9001 | Source | 2026-10-04 | Claim › | ||
| Deprag Inc Lewisville · United States Machines: wire EDM Serves: automotive, consumer | Strong match | Prototype | IGES | ISO 9001 | QuotePortfolioContactSource | 2026-10-04 | Claim › | |
| Dip Braze Inc Sun Valley · United States · aluminium | Strong match | Contact | 2026-10-04 | Claim › | ||||
| Donohoo Steel Treating Co Bettendorf · United States · steel | Strong match | ISO 9001 | QuoteContact | 2026-10-04 | Claim › | |||
| East Carolina Metal Treating Inc Lynchburg · United States · aluminium Serves: aerospace | Strong match | AS9100ISO 9001ITARNADCAP | Contact | 2026-10-04 | Claim › | |||
| Elmira Heat Treating Inc Elmira · United States · steel | Strong match | ISO 9001 | ContactSource | 2026-10-04 | Claim › | |||
| Empowering Technologies, Inc TRUSSVILLE · United States · plastic Serves: aerospace, automotive, food, railway | Strong match | Contact | 2026-10-03 | Claim › | ||||
| Engineered Heat Treat, Inc. Madison Heights · United States · steel Serves: aerospace, automotive, medical | Strong match | PrototypeSeries | AS9100 | ContactSource | 2026-10-04 | Claim › | ||
| Flame Metals Processing Corporation Rogers · United States · aluminium | Strong match | ISO 9001 | Quote | 2026-10-04 | Claim › | |||
| G-M Enterprises Corona · United States Serves: aerospace, automotive, medical | Strong match | Source | 2026-10-04 | Claim › | ||||
| Galaxy Brazing Co Inc Santa Fe Springs · United States · aluminium, brass, copper Serves: aerospace, automotive, medical | Strong match | QuoteContact | 2026-10-03 | Claim › | ||||
| General Metal Heat Treating Inc Cleveland · United States · steel Serves: aerospace, automotive, medical | Strong match | AS9100ISO 9001NADCAP | Contact | 2026-10-04 | Claim › | |||
| George Industries Llc Endicott · United States · aluminium Machines: press brake Serves: aerospace | Strong match | AS9100ISO 9001ITAR | Contact | 2026-10-04 | Claim › | |||
| Heat Treating Incorporated Belleview · United States | Strong match | Contact | 2026-10-04 | Claim › | ||||
| Heat Treatment America Llc Santa Fe Springs · United States · aluminium, stainless-steel, steel Serves: aerospace, automotive, medical | Strong match | AS9100ISO 9001NADCAP | QuotePortfolioContactSource | 2026-10-04 | Claim › | |||
| Hi-Temp Brazing, Inc. Deer Park · United States · aluminium Serves: aerospace, medical | Strong match | ContactAgent-ready | 2026-10-03 | Claim › | ||||
| High Performance Heat Treating Huntington · United States · aluminium, copper, stainless-steel Serves: aerospace | Strong match | ContactSource | 2026-10-04 | Claim › | ||||
| Honeycomb Products Indianapolis · United States Serves: aerospace | Strong match | AS9100ISO 9001NADCAP | Contact | 2026-10-04 | Claim › | |||
| Industrial Metal Treating Corp Wilmington · United States · aluminium, steel | Strong match | Series | Contact | 2026-10-04 | Claim › | |||
| Integrated Heat Treating Solutions Akron · United States · stainless-steel, steel | Strong match | PortfolioContactSource | 2026-10-04 | Claim › | ||||
| Irwin Automation Inc Greensburg · United States · steel Serves: defense | Strong match | Prototype | ContactSource | 2026-10-04 | Claim › | |||
| James Legacy Corp Berthoud · United States · copper, plastic, stainless-steel Serves: aerospace | Strong match | Small batch | AS9100ISO 9001NADCAP | QuotePortfolioContactSource | 2026-10-04 | Claim › | ||
| Kittyhawk Products Garden Grove · United States · aluminium, copper, steel Serves: aerospace, automotive, defense, medical | Strong match | AS9100ISO 9001 | Quote | 2026-10-03 | Claim › | |||
| Lester Metals Llc Wilmington · United States · aluminium, brass, copper Serves: aerospace, medical | Strong match | QuoteContactSource | 2026-10-04 | Claim › | ||||
| Mil-Spec Heat Treating Inc Huntington Beach · United States Serves: aerospace, automotive, medical | Strong match | 2026-10-04 | Claim › | |||||
| Omley Industries Inc Grants Pass · United States · aluminium, copper, stainless-steel Serves: aerospace, medical | Strong match | 2026-10-03 | Claim › | |||||
| Pacific Metallurgical Inc Kent · United States · aluminium, stainless-steel, steel Serves: aerospace | Strong match | 2026-10-04 | Claim › | |||||
| Paulo Kansas City Division Kansas City · United States · copper, stainless-steel, steel Serves: aerospace, automotive, medical | Strong match | ISO 9001 | QuoteContactAgent-ready | 2026-10-03 | Claim › | |||
| Peen Rite Sun Valley · United States · aluminium, plastic, stainless-steel Serves: aerospace, automotive, medical | Strong match | QuotePortfolioContact | 2026-10-04 | Claim › | ||||
| Peters Heat Treating McKean · United States · aluminium, plastic, stainless-steel Serves: aerospace, automotive, medical | Strong match | DWG | QuoteContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| Phantom Hybrid Designs Llc Casper · United States Serves: aerospace | Strong match | AS9100ISO 9001 | Contact | 2026-10-04 | Claim › | |||
| Pressure Technology Of Florida Llc Alachua · United States · aluminium, steel, titanium Serves: aerospace, automotive, medical | Strong match | PrototypeSmall batch | AS9100ISO 9001NADCAP | QuoteContact | 2026-10-04 | Claim › | ||
| Progressive Steel Treating Loves Park · United States · steel Serves: aerospace, automotive, medical | Strong match | Contact | 2026-10-04 | Claim › | ||||
| Quality Heat Treating, Inc. Burbank · United States Serves: aerospace | Strong match | NADCAP | QuoteContact | 2026-10-04 | Claim › | |||
| Scarrott Metallurgical Company, Llc Orange · United States Serves: aerospace, medical | Strong match | ITAR | 2026-10-04 | Claim › | ||||
| Scopum Llc Fort Worth · United States · aluminium, plastic Serves: aerospace | Strong match | AS9100ISO 14001ISO 9001NADCAP | Source | 2026-10-04 | Claim › | |||
| Solar Atmospheres Fontana · United States · aluminium, stainless-steel, steel Serves: aerospace, automotive, medical | Strong match | AS9100ISO 9001 | QuoteContact | 2026-10-03 | Claim › | |||
| Specialty Steel Treating Farmington Hills · United States · stainless-steel, steel Serves: aerospace, automotive | Strong match | AS9100IATF 16949ISO 9001NADCAP | QuoteContactSource | 2026-10-04 | Claim › | |||
| Superheat Corpus Christi · United States · steel Serves: aerospace | Strong match | ISO 9001 | Contact | 2026-10-03 | Claim › | |||
| The Cincinnati Steel Treating Company Mariemont · United States · aluminium, stainless-steel, steel Serves: automotive | Strong match | IATF 16949ISO 14001 | QuoteContactSource | 2026-10-04 | Claim › | |||
| THERMTECH Waukesha · United States · aluminium, stainless-steel, steel Serves: medical | Strong match | AS9100ISO 9001 | QuoteContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| Tri-J Metal Heat Treating Pomona · United States · brass, copper, stainless-steel | Strong match | AS9100ISO 9001 | Contact | 2026-10-04 | Claim › | |||
| Tridecs Corp Hayward · United States · aluminium, copper, plastic Machines: 5-axis machining, Hurco, Makino Serves: aerospace, medical | Strong match | PrototypeSeries | ISO 9001 | ContactSourceAgent-ready | 2026-10-04 | Claim › | ||
| Walker Heat Treat Cleveland · United States · brass, copper, stainless-steel Serves: aerospace, automotive, medical | Strong match | PrototypeSeries | QuoteContact | 2026-10-03 | Claim › | |||
| Winston Heat Treating Inc Dayton · United States Serves: aerospace, automotive, medical | Strong match | ISO 9001NADCAP | QuoteContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| WPC Treatment Torrance · United States Serves: automotive | Strong match | PortfolioContact | 2026-10-04 | Claim › | ||||
| Wyman Gordon Forgings Houston · United States · titanium Serves: aerospace | Strong match | Contact | 2026-10-04 | Claim › | ||||
Ferndale · United States · aluminium, brass, copper Machines: 5-axis machining, Hexagon Serves: medical | Possible | PrototypeSeries | ISO 9001 | QuotePortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | ||
Brunswick · United States · aluminium, copper, plastic Serves: automotive, energy | Possible | Series | PortfolioSource | 2026-10-04 | Claim › | |||
| 300 Below Decatur · United States · aluminium, copper, plastic Serves: aerospace, automotive | Possible | QuotePortfolioContactSource | 2026-10-04 | Claim › | ||||
| 3dk Tech Inc Newark · United States · stainless-steel, steel, titanium Serves: aerospace | Possible | Source | 2026-10-04 | Claim › | ||||
| A & B Grinding Cleveland · United States · plastic Serves: automotive | Possible | ISO 9001 | QuoteContactSource | 2026-10-04 | Claim › | |||
| A & I Pallets Llc Los Angeles · United States · plastic Serves: automotive, packaging | Possible | Series | QuoteContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| A and E Conveyor Systems Canton · United States · plastic, stainless-steel, steel | Possible | Series | ContactSource | 2026-10-04 | Claim › | |||
| A&b Foundry, Llc Dallas · United States · aluminium, brass | Possible | Small batch | QuotePortfolioContactSource | 2026-10-04 | Claim › | |||
| A3dm Technologies Llc Sarasota · United States · steel, titanium Serves: medical | Possible | Prototype | PortfolioSource | 2026-10-04 | Claim › | |||
| AAA Air Support Gardena · United States · aluminium, plastic, stainless-steel Serves: aerospace | Possible | Prototype | AS9100ISO 9001 | QuoteContactSource | 2026-10-04 | Claim › | ||
| Aalberts Surface Technologies Livonia, Inc. Livonia · United States · aluminium, steel Serves: aerospace, automotive, medical, railway | Possible | AS9100ISO 9001NADCAP | QuotePortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| Accurate Components Corp West Babylon · United States · aluminium, brass, copper Serves: aerospace, medical | Possible | Prototype | ROHS | QuotePortfolioContactSource | 2026-10-04 | Claim › | ||
| Ace Pallet Services Kansas City · United States | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| Ace Wire Spring & Form Co., Inc. Mc Kees Rocks · United States · brass, copper, plastic Serves: defense, medical | Possible | Prototype | ISO 9001ITAR | QuotePortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | ||
| Acme United Corporation Rocky Mount · United States · aluminium, plastic, stainless-steel Serves: medical | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| Across Usa Inc Carson · United States · aluminium Serves: aerospace, automotive, medical | Possible | Prototype | ContactSource | 2026-10-04 | Claim › | |||
| Adc Aerospace Buena Park · United States · aluminium Machines: 5-axis machining Serves: aerospace, automotive, defense, medical | Possible | PrototypeSmall batch | AS9100ISO 9001ITAR | QuoteContactSourceAgent-ready | 2026-10-04 | Claim › | ||
| Admiral Field Services Beaumont · United States · stainless-steel, steel | Possible | Source | 2026-10-04 | Claim › | ||||
| Advanced Handling Systems Lagrange · United States · plastic | Possible | Source | 2026-10-04 | Claim › | ||||
| Advanced Surface Technologies Arvada · United States · aluminium, brass, copper Serves: aerospace, automotive, medical | Possible | Prototype | ISO 9001ITARNADCAP | QuotePortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | ||
| Advantage Sintered Metals Battle Creek · United States Serves: automotive, medical | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| Advantage Sintered Metals Battle Creek · United States Serves: automotive, medical | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| Aecon Federal Services Inc Jackson · United States · steel | Possible | Prototype | PortfolioContactSource | 2026-10-04 | Claim › | |||
| Aero Gear Incorporated Windsor · United States · aluminium, steel Machines: 5-axis machining Serves: aerospace | Possible | Prototype | ContactSource | 2026-10-04 | Claim › | |||
| Aeroparts Fabricating & Machining Inc Nicktown · United States · aluminium, copper, plastic Machines: 5-axis machining, Haas, press brake Serves: aerospace | Possible | AS9100ISO 9001NADCAP | Source | 2026-10-04 | Claim › | |||
| Aerospace Manufacturing Inc. Eagan · United States · aluminium, stainless-steel, steel Machines: 5-axis machining, Amada, Haas, Mazak Serves: aerospace | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| AFC Holcroft Wixom · United States · aluminium | Possible | Source | 2026-10-04 | Claim › | ||||
| AFI Industries Inc Carol Stream · United States · brass, plastic, stainless-steel Serves: automotive | Possible | PrototypeSeries | IATF 16949 | Source | 2026-10-04 | Claim › | ||
| Aircraft Ducting Repair Inc Forney · United States | Possible | QuoteContactSourceAgent-ready | 2026-10-04 | Claim › | ||||
| Airtech Precision Llc Doral · United States · aluminium, stainless-steel, steel Machines: 5-axis machining Serves: aerospace | Possible | AS9100ISO 9001 | Source | 2026-10-04 | Claim › | |||
| Ajax Electric Co Huntingdon Valley · United States · aluminium, brass, copper Serves: aerospace, automotive | Possible | QuoteContactSource | 2026-10-04 | Claim › | ||||
| Albaksan Advanced Copper Alloys Llc Sugar Grove · United States · aluminium, copper, plastic Machines: 5-axis machining Serves: aerospace, automotive, food, railway | Possible | AS9100 | Source | 2026-10-04 | Claim › | |||
| Alban Nde Llc Renton · United States · steel Serves: aerospace | Possible | QuoteContactSourceAgent-ready | 2026-10-04 | Claim › | ||||
| Albertus Energy, Inc. Malvern · United States · copper, plastic, steel Serves: automotive, medical | Possible | PortfolioContactSource | 2026-10-04 | Claim › | ||||
| All Metals & Forge Group Fairfield · United States · aluminium, copper, stainless-steel Serves: aerospace, marine | Possible | AS9100ISO 9001 | QuotePortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| Alpha & Omega Construction Llc Benton Harbor · United States · plastic | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| Aluminum Dynamics, LLC Columbus · United States · aluminium, steel Serves: automotive | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| Ameribolt Alpine · United States · stainless-steel, steel | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| American Cold Forge Northwood · United States · steel Serves: automotive | Possible | IATF 16949 | ContactSource | 2026-10-04 | Claim › | |||
| American Lightweight Materials Manufacturing Innovation Institute Detroit · United States · aluminium, plastic, steel Machines: fiber laser Serves: aerospace, automotive | Possible | PrototypeSmall batch | Source | 2026-10-04 | Claim › | |||
| American Metal Melbourne · United States · aluminium, brass, copper Serves: aerospace, medical | Possible | AS9100ISO 9001 | QuoteContactSource | 2026-10-04 | Claim › | |||
| American Metaseal Corporation Of Maryland Arbutus · United States Serves: aerospace | Possible | Series | ISO 9001 | Source | 2026-10-04 | Claim › | ||
| Ames Industries Inc Hershey · United States · plastic Machines: Makino, Okuma, sinker EDM, wire EDM Serves: automotive, consumer, medical | Possible | PrototypeSeriesSmall batch | ISO 9001ITAR | PortfolioContactSource | 2026-10-04 | Claim › | ||
| Ametek Land Inc Pittsburgh · United States · aluminium, copper, plastic Serves: automotive, medical | Possible | PortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | ||||
| Amfas International Memphis · United States · aluminium, brass, copper Machines: 5-axis machining, wire EDM Serves: aerospace, automotive, medical | Possible | PrototypeSeries | AS9100IATF 16949ISO 9001 | QuotePortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | ||
| Amos Industries Inc/shengrui North America Aurora · United States · aluminium, steel Machines: Mazak Serves: aerospace, automotive | Possible | Prototype | SourceAgent-ready | 2026-10-04 | Claim › | |||
| Ana International, Inc Tualatin · United States · aluminium, brass, copper Serves: aerospace, automotive, consumer, medical | Possible | PrototypeSeries | ISO 13485ISO 9001 | ContactSource | 2026-10-04 | Claim › | ||
| Analytic Stress Relieving Corpus Christi · United States | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| Anca Usa Wixom · United States Machines: wire EDM Serves: electronics, medical | Possible | PortfolioContactSource | 2026-10-04 | Claim › | ||||
| Apex Broaching Systems Warren · United States Serves: aerospace, automotive, consumer | Possible | QuotePortfolioContactSource | 2026-10-04 | Claim › | ||||
| Arbor Industries, Inc. Lincoln · United States | Possible | QuoteContactSource | 2026-10-04 | Claim › | ||||
| ARi Industries Inc Addison · United States · brass, copper, steel Serves: aerospace, automotive | Possible | Series | ISO 9001ROHS | QuoteContactSource | 2026-10-04 | Claim › | ||
| Armadillo Additive Inc Granbury · United States · stainless-steel, steel, titanium Machines: 5-axis machining, CMM inspection, DMG Mori, wire EDM Serves: consumer, medical | Possible | PrototypeSmall batch | FDA REGISTEREDISO 13485 | QuoteContactSourceAgent-ready | 2026-10-04 | Claim › | ||
| Arro-mark Co Llc Englewood · United States · plastic, stainless-steel, steel Serves: aerospace, automotive, medical | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| Arrow Gear Co Downers Grove · United States · plastic Serves: aerospace, medical | Possible | PrototypeSeries | ContactSource | 2026-10-04 | Claim › | |||
| Asahi Bluegrass Forge Richmond · United States | Possible | PortfolioContactSource | 2026-10-04 | Claim › | ||||
| Ascended Technologies Llc Winfield · United States · stainless-steel Serves: aerospace, automotive, medical | Possible | Prototype | QuoteContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| Ashland Advanced Materials Niagara Falls · United States · steel Serves: aerospace, automotive, energy | Possible | ISO 9001 | ContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| Ashore Manufacturing Group Llc Berlin Center · United States · aluminium, stainless-steel, steel Machines: 5-axis machining, Hurco, wire EDM Serves: aerospace | Possible | Prototype | AS9100CMMCISO 9001ITAR | SourceAgent-ready | 2026-10-04 | Claim › | ||
| Astro Aluminum Treating Company South Gate · United States · aluminium | Possible | AS9100NADCAP | ContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| Asw-america, Inc. Canton · United States Serves: automotive | Possible | Series | QuoteContactSource | 2026-10-04 | Claim › | |||
| Atlantic Transfer & Storage Co. North Charleston · United States | Possible | PortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | ||||
| Atmosphere Heat Treating Wixom · United States · steel Serves: aerospace, automotive | Possible | PrototypeSeries | IATF 16949ISO 9001 | ContactSource | 2026-10-04 | Claim › | ||
| Atmosphere Machining Llc Tehachapi · United States · aluminium, copper, plastic Machines: 5-axis machining, Haas Serves: aerospace, energy, medical | Possible | Prototype | ITAR | Source | 2026-10-04 | Claim › | ||
| Aurora Microplates, Llc San Jose · United States Serves: medical | Possible | QuotePortfolioContactSource | 2026-10-04 | Claim › | ||||
| Awc Usa Romeo · United States · aluminium Machines: 5-axis machining Serves: automotive | Possible | PrototypeSeriesSmall batch | STEP | ContactSource | 2026-10-04 | Claim › | ||
| Bahr Brothers Manufacturing Marion · United States · aluminium | Possible | PortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | ||||
| Bam Inc Knoxville · United States Machines: Hexagon Serves: aerospace, automotive | Possible | AS9100ISO 9001 | SourceAgent-ready | 2026-10-04 | Claim › | |||
| Barnes Group Inc East Granby · United States Machines: 5-axis machining Serves: aerospace | Possible | AS9100ISO 9001NADCAP | ContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| Barnes Industries Incorporated Madison Heights · United States · stainless-steel, steel Serves: aerospace, automotive | Possible | QuotePortfolioContactSource | 2026-10-04 | Claim › | ||||
| Bastech, Inc. Dayton · United States · aluminium, plastic, titanium Serves: aerospace, automotive | Possible | PrototypeSeriesSmall batch | AS9100ISO 9001 | QuoteContactSource | 2026-10-04 | Claim › | ||
| Beasley management hazelhurst Hazlehurst · United States | Possible | QuoteContactSource | 2026-10-04 | Claim › | ||||
| Beaver Valley Alloy Foundry Monaca · United States · stainless-steel, steel | Possible | SeriesSmall batch | Source | 2026-10-04 | Claim › | |||
| Bed Bug Assassins, Inc Shelbyville · United States | Possible | SourceAgent-ready | 2026-10-04 | Claim › | ||||
| Bed Bug Rx, LLC Buffalo · United States | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| Bentley World packaging inc. Raymond · United States | Possible | QuoteContactSource | 2026-10-04 | Claim › | ||||
| Berco of America Greensboro · United States · steel Serves: automotive | Possible | Source | 2026-10-04 | Claim › | ||||
| Bernier Cast Metals, Inc. Saginaw · United States · aluminium, brass, copper Serves: automotive | Possible | PrototypeSmall batch | ISO 9001 | QuotePortfolioContactSource | 2026-10-04 | Claim › | ||
| Bestway Products Gardena · United States · aluminium, brass, plastic Serves: aerospace, medical | Possible | Prototype | QuoteContactSource | 2026-10-04 | Claim › | |||
| Bleistahl North America Battle Creek · United States · copper, steel | Possible | Series | IGES | ContactSource | 2026-10-04 | Claim › | ||
| Boyce Machine Kent · United States · aluminium, stainless-steel, steel | Possible | 3MFDWGDXFIGESSTEPSTL | PortfolioSource | 2026-10-04 | Claim › | |||
| Brainard Rivet Company Girard · United States · stainless-steel, steel | Possible | ISO 9001 | PortfolioContactSource | 2026-10-04 | Claim › | |||
| Brents Bugs Llc Stockbridge · United States | Possible | SourceAgent-ready | 2026-10-04 | Claim › | ||||
| Building Products Plus, Llc Houston · United States · steel Serves: construction | Possible | PortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | ||||
| Builtrite Reel & Lumber Houston · United States | Possible | Source | 2026-10-04 | Claim › | ||||
| Bula Forge & Machine Inc Cleveland · United States Machines: 5-axis machining, welding robot | Possible | ISO 9001 | ContactSource | 2026-10-04 | Claim › | |||
| Burbank Steel Treating Inc. Burbank · United States · steel Serves: aerospace, automotive, medical | Possible | PortfolioContactSource | 2026-10-04 | Claim › | ||||
| Burrell Aerospace, Llc. Kennesaw · United States · aluminium, copper, plastic Machines: 5-axis machining Serves: aerospace | Possible | PrototypeSeries | DWGDXFIGESSTEP | AS9100ISO 9001ITARNADCAP | ContactSource | 2026-10-04 | Claim › | |
| Burton Industries Inc. Babylon · United States · aluminium, steel Serves: aerospace, medical | Possible | QuoteContactSource | 2026-10-04 | Claim › | ||||
| C Sigma Llc Davenport · United States · aluminium, steel, titanium | Possible | ContactSourceAgent-ready | 2026-10-04 | Claim › | ||||
| C-p Screw Machine Products Bensenville · United States · aluminium, brass, plastic Machines: Haas Serves: automotive | Possible | PrototypeSeries | PortfolioContactSource | 2026-10-04 | Claim › | |||
| C&u Americas Plymouth · United States · steel Serves: automotive | Possible | IATF 16949ISO 14001ISO 45001ISO 9001 | ContactSource | 2026-10-04 | Claim › | |||
| Caldwell Corp Emporium · United States · aluminium, plastic, stainless-steel Serves: automotive | Possible | Prototype | QuotePortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| California Heating Equipment Anaheim · United States Serves: aerospace, automotive | Possible | Prototype | QuotePortfolioContactSource | 2026-10-04 | Claim › | |||
| California Metals Newport Beach · United States · aluminium, stainless-steel, steel Serves: aerospace, automotive | Possible | PrototypeSeries | AS9100CMMCISO 14001 | ContactSourceAgent-ready | 2026-10-04 | Claim › | ||
| California Nanotechnologies Cerritos · United States · aluminium, plastic, stainless-steel Serves: aerospace, automotive, medical | Possible | PrototypeSeries | ContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| Cambridge Vacuum Engineering Inc Agawam · United States · aluminium, stainless-steel, steel Serves: aerospace, automotive, marine | Possible | PortfolioContactSource | 2026-10-04 | Claim › | ||||
| Cameron Tool Corporation Lansing · United States · aluminium, stainless-steel, steel Machines: 5-axis machining, Mazak, wire EDM Serves: aerospace, automotive, medical | Possible | Prototype | ISO 9001 | ContactSourceAgent-ready | 2026-10-04 | Claim › | ||
| Canton Drop Forge Canton · United States · stainless-steel, steel Serves: aerospace, marine | Possible | QuoteContactSourceAgent-ready | 2026-10-04 | Claim › | ||||
| Carbon Six Barrels Gonzales · United States · stainless-steel, steel | Possible | ContactSourceAgent-ready | 2026-10-04 | Claim › | ||||
| Carley Foundry, Inc Minneapolis · United States · aluminium, steel Serves: aerospace, medical | Possible | PrototypeSeriesSmall batch | AS9100ISO 9001 | PortfolioContactSource | 2026-10-04 | Claim › | ||
| Carolina Wood Products Marshville · United States · steel Serves: automotive | Possible | QuoteContactSource | 2026-10-04 | Claim › | ||||
| Cast-Rite Metal Co Birdsboro · United States · aluminium, plastic Serves: medical | Possible | Prototype | QuotePortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| Ccr Products Llc West Hartford · United States · brass, plastic, stainless-steel Serves: aerospace, automotive, medical | Possible | Series | STEP | AS9100 | QuoteContactSource | 2026-10-04 | Claim › | |
| Century Metal Spinning Co Bensenville · United States · aluminium, brass, copper Machines: 5-axis machining, Amada, press brake Serves: aerospace | Possible | Series | AS9100ISO 9001ITAR | QuoteContactSource | 2026-10-04 | Claim › | ||
| Century Tool Co Inc Thompson · United States Machines: Doosan, Hurco, sinker EDM, wire EDM | Possible | DXF | ContactSource | 2026-10-04 | Claim › | |||
| Cienfuegos Pallets Corp Medley · United States | Possible | QuoteContactSource | 2026-10-04 | Claim › | ||||
| Cincinnati Flame Hardening Co. Fairfield · United States | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| Circle H Steel Products Houston · United States · aluminium, brass, copper Machines: Hexagon | Possible | QuoteContactSource | 2026-10-04 | Claim › | ||||
| Cire Technologies Mountain Lakes · United States · stainless-steel, steel Serves: aerospace, medical | Possible | PortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | ||||
| Clarksville Foundry Inc Clarksville · United States | Possible | Small batch | ContactSource | 2026-10-04 | Claim › | |||
| CM Furnaces Bloomfield · United States · aluminium, stainless-steel, steel Serves: electronics | Possible | Series | QuoteContactSource | 2026-10-04 | Claim › | |||
| CNC Machine Products Inc Joplin · United States · stainless-steel, steel | Possible | Series | QuoteContactSource | 2026-10-04 | Claim › | |||
| Cncform Derby · United States Serves: aerospace | Possible | Prototype | AS9100ISO 9001 | PortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | ||
| Coastal Metals San Bernardino · United States · aluminium, copper, stainless-steel Serves: aerospace, medical | Possible | QuoteContactSource | 2026-10-04 | Claim › | ||||
| Cogmatic Machines Milwaukee · United States | Possible | Prototype | QuotePortfolioContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| Collins Pallet Llc Gary · United States | Possible | SourceAgent-ready | 2026-10-04 | Claim › | ||||
| Colonial Pump Columbiana · United States · plastic | Possible | Source | 2026-10-04 | Claim › | ||||
| Combined Metals of Chicago Bellwood · United States · stainless-steel, steel, titanium Serves: aerospace, automotive, consumer, medical | Possible | AS9100ISO 9001NADCAP | QuoteContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| Consolidated Engineering Company, Inc. Kennesaw · United States · aluminium, copper, stainless-steel Serves: aerospace, automotive | Possible | CMMCNADCAP | QuoteContactSource | 2026-10-04 | Claim › | |||
| Contract Manufacturing Ne Llc Bristol · United States | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| Cook Induction Heating Co. Maywood · United States · copper Serves: aerospace | Possible | NADCAP | QuoteContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| Corry Manufacturing Company Corry · United States · stainless-steel, steel, titanium Machines: 5-axis machining, CMM inspection, press brake Serves: aerospace | Possible | AS9100ISO 9001NADCAP | PortfolioContactSource | 2026-10-04 | Claim › | |||
| Craft Coating Inc Oshkosh · United States · steel Serves: automotive | Possible | ISO 9001ROHS | ContactSourceAgent-ready | 2026-10-04 | Claim › | |||
| CRG Defense Miamisburg · United States Machines: 5-axis machining Serves: aerospace | Possible | PrototypeSmall batch | AS9100ISO 9001ITAR | ContactSource | 2026-10-04 | Claim › | ||
| Crystron Technologies Inc Chesterbrook · United States · copper, steel | Possible | STEP | Source | 2026-10-04 | Claim › | |||
| Cts Engines, Llc Coral Springs · United States Machines: CMM inspection Serves: aerospace | Possible | PortfolioContactSource | 2026-10-04 | Claim › | ||||
| Cuda Ii, Inc Indianapolis · United States · aluminium, stainless-steel, steel Machines: Doosan, Haas Serves: aerospace, automotive | Possible | Prototype | AS9100ISO 9001 | Source | 2026-10-04 | Claim › | ||
| Cumberland Additive Inc. Pflugerville · United States · aluminium, plastic, stainless-steel Machines: 5-axis machining, CMM inspection, DMG Mori, Okuma Serves: aerospace, medical | Possible | Series | AS9100ITAR | PortfolioContactSource | 2026-10-04 | Claim › | ||
| Cursor Llc Bloomfield · United States · aluminium, brass, copper Machines: Hexagon Serves: aerospace, medical | Possible | QuoteContactSource | 2026-10-04 | Claim › | ||||
| Custom Cylinders, Inc. Cary · United States · aluminium, brass, stainless-steel | Possible | Prototype | ISO 9001 | QuoteContactSource | 2026-10-04 | Claim › | ||
| Daes Americas, L.l.c. Dwg · United States Machines: Zeiss Serves: aerospace, defense | Possible | ISO 9001 | ContactSource | 2026-10-04 | Claim › | |||
| Daido Steel America Inc Schaumburg · United States · steel Serves: aerospace, marine | Possible | Source | 2026-10-04 | Claim › | ||||
| Darby Metal Treating Plainwell · United States · aluminium, brass, copper Serves: aerospace, automotive | Possible | Prototype | QuoteContactSource | 2026-10-04 | Claim › | |||
| Delta One Manufacturing Llc San Jose · United States | Possible | Prototype | STEP | CMMC | Source | 2026-10-04 | Claim › | |
| Denison Industries Denison · United States · aluminium Serves: aerospace, automotive | Possible | PrototypeSeries | AS9100ISO 9001NADCAP | ContactSource | 2026-10-04 | Claim › | ||
| Dependable Metal Treating Kendallville · United States · steel | Possible | ContactSource | 2026-10-04 | Claim › | ||||
| Derby Box & Pallet Co. Goffstown · United States Serves: marine | Possible | QuoteSource | 2026-10-04 | Claim › |
No manufacturers match these filters.
Showing the first 200 of 653, registered companies and strongest matches first. Get the full list from the API or the open data.
Frequently asked questions
How many heat treatment manufacturers are listed in United States?
653 as of 2026-10-04. The list is compiled automatically from open data and company websites and is refreshed regularly, so it is a starting point to verify with each manufacturer, not a complete register.
Which cities in United States have the most heat treatment manufacturers?
Houston (18), Detroit (6), Troy (6), Canton (5), Cleveland (5), based on the addresses in the listings.
How do I choose a heat treatment manufacturer in United States?
Check which processes are offered (case hardening, vacuum hardening, annealing), maximum part size and weight, and whether hardness testing and certificates are included.
Can I order a prototype or a single part?
32% of the listed companies state prototype or one-off orders and 7% state small batches on their websites; 17% mention series production. Confirm minimum quantities with the manufacturer.
Which certifications do these manufacturers state?
ISO 9001 (31%), AS9100 (16%), NADCAP (8%) are the most common among the listed companies. Certifications are detected from website text and should be confirmed by certificate.
How do I get a quote?
Use the Studio or the quote request on this site to describe the part once; we introduce suitable manufacturers. You can also contact the listed companies directly through their websites.
Heat treatment by city in United States
Houston (18)
Other processes in United States
Welding and fabrication (14035), CNC machining (10632), Surface finishing (4647), Sheet metal fabrication (4467), Steel construction and metal fabrication (3950), Laser cutting (3576)
Capabilities are detected automatically from each company's own website and may be incomplete or out of date; confirm details with the manufacturer. Data as of 2026-10-04. How we compile this directory. Is your company listed incorrectly? Claim or remove a listing. Contains data from OpenStreetMap contributors (ODbL), Overture Maps Foundation (CDLA Permissive 2.0) and Wikidata (CC0), U.S. government open data from SAM.gov (public entity registrations), INEGI Mexico (Directorio Estadístico Nacional de Unidades Económicas, DENUE), plus information from the companies own websites.