Sigma Four is a contract manufacturer specializing in custom cable, wire harness, and electronic assemblies, capable of handling both production volumes and prototype quantities. Established in 1984, the company operates from a facility in Plano, Texas, emphasizing strong customer relationships and local accessibility. The primary industries served include Defense, Medical, Telecom, and Aerospace.
No symbol means the source has not been confirmed.
Quality Management System
Export Control
| Type | Standard | Scope |
|---|---|---|
| Quality | AS9100 (Manufacturing / Design) | Quality Management System |
| Security | ITAR Registration | Export Control |
Certification status should be confirmed with the supplier.
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