Sigma International Certifications

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Sigma International maintains adherence to industry quality standards by being ISO 9001:2015 and IATF 16949:2016 certified. These certifications are proof of our commitment to quality and customer service.

To support and promote diversity, Sigma is proud to be a certified minority-owned business. Our certification is through the NMSDC and Michigan Minority Supplier Development Council, which we are actively involved in.