Sierra Circuits
Sunnyvale, United States: PCB and electronics assembly.
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Capabilities
| Type | Business type not determined |
|---|---|
| Processes | PCB and electronics assembly |
| Materials | aluminium copper |
| Certifications (stated by the company, not independently verified) | AS9100 ISO 13485 ISO 9001 ITAR RoHS |
| CAD formats accepted | GERBER |
| Industries | aerospace automotive medical |
| Order sizes and service | Express service Online or instant quote Prototypes and one-offs |
How to reach them
- Website: protoexpress.com
- Contact page: open
- Quote page: open
Trust score: 65/100 (high)
Computed from published, checkable facts only. It is not a review and not an audit.
- +20: a page on the company's own website backs the stated process
- +10: states as9100, iso-13485, iso-9001, itar, rohs on its website (self-declared, not independently verified)
- +10: has a contact or quote page
- +8: offers an online or instant quote
- +10: publishes machine-readable agent endpoints
- +7: website read in the last 60 days
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Compiled from Overture Maps and the company's own website, last read 2026-10-04. How we compile this directory. Quote requests go to us first; we forward them only to companies that registered for that.