Epsilon Composite Technology and Defense Industry Inc. operates in the composite part manufacturing sector within Akkök Holding.

Since 2011, Epsilon Composite, operating in the aviation, space, and defense sectors, holds NADCAP Composite, NADCAP Non-Destructive Testing, and AS9100 Rev D certifications due to sector requirements. Internationally, the company is a supplier of composite molds and parts for Airbus, Bell Flight, and KUH, while domestically, it serves TUSAŞ, Aselsan, STM, and Baykar. By providing product development services to customers, it creates added value for the national economy through the production of new products.

Epsilon Composite offers its customers turnkey services including material supply management, mold, part manufacturing, and assembly operations. It provides laboratory tests with a portfolio of 102 tests and ultrasonic inspection services regardless of the product.

With the goal of expanding its leading position in the private sector by incorporating all sub-operational production methods at the component level into its capabilities, Epsilon Composite aims to grow as an international standard supplier.