Customer Approvals

Our customers rely on us to meet and exceed their quality specifications, standards, and processes. At Sigma, we aim to develop long-standing, strategic customer relationships by maintaining and providing reliable products and services that correspond with the high-quality standards set by each of our clients.

We are proud of our Customer Approvals, which include numerous well-known Airframe and Engine OEMs and Tier 1 companies. For more information about how we can work with you to meet your quality requirements, please contact us.

Industry Memberships

We belong to, and support, a variety of industry associations, enabling us to stay up-to-date with market news and events, discover innovative and advanced solutions, meet the evolving needs of customers, solidify partnerships, and improve industry services and standards.