We are proud of our numerous airframe and power & systems OEM and Tier 1 customer approvals with whom we have long-standing, strategic customer relationships.
Our customers rely on us to meet their quality specifications, standards, and processes. Sigma works closely with customers to uphold a scope of approvals for a range of airframe and power & system applications. We provide and maintain reliable products and services that correspond with the high-quality standards set by each customer.
Customer Approvals
Industry Memberships
We belong to and support a variety of industry associations. These enable us to stay current with market news and events, discover innovative solutions, and improve industry services and standards.
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![](https://sigma-aero.group/wp-content/uploads/2022/02/ADS-Toulouse-Logo.webp)
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![](https://sigma-aero.group/wp-content/uploads/2022/02/Midlands-Aerospace-Alliance-Logo.webp)
Contact Sigma
For more information about Sigma’s aerospace customer approvals or to find out how we can work with you to meet your quality requirements, please contact us.