We have long and successful relationships with airframe OEMs and Tier 1’s, delivering tube assemblies, ducts, fabrications & sub-assemblies and sheet & machined details for both civil and military applications.

Sigma supply pipe assemblies, manifolds & ducts, detail parts and specialist fasteners to many of the world’s engine OEMs and we are proud of our reputation for market-leading quality and reliability.

From polishing and specialist surface treatments through to non-destructive testing and design of complex fixtures, Sigma’s Services offer a broad range of capabilities to support our customers’ needs.

Sigma is a leading manufacturer of precision engineered aerospace products, supplying parts and services to civil and military aircraft platforms.