Quality

Sigma Four is a full- service contract manufacturer with the expertise and experience needed to support you from design to production.

Quality

Sigma Four is a full- service contract manufacturer with the expertise and experience needed to support you from design to production.

Certifications

S4- Minority Certificate

AS9100D and ISO 9001 2015 Cert

DELIVERING INNOVATION

Sustainability Goals

We are focused on building a long-term, sustainable business.