AC&A, a portfolio company of the private equity firm AE Industrial Partners, has acquired EnCore Composite Structures in a deal that bolsters the company’s composites business.

Terms of the deal, which closed on Dec. 21, 2017, were not disclosed.

“The acquisition of ECS represents a strategic addition to the unique composites platform that we are building,” Bill Boisture, chairman of AC&A and operating partner with AE Industrial, said in a statement. “ECS provides us with a powerful combination of high-growth aerospace programs, strong OEM relationships, and unique manufacturing capabilities while also transforming our scale and market presence.”

Boisture said that ECS has 260 employees. ECS is part of Encore Group, which also provides aircraft interiors, seating, and production capabilities for all the group’s companies.

ECS’ customers include BAE SystemsTextron’s [TXT] Bell Helicopter, Rockwell Collins [COL], Spirit Aerosystems [SPR], Rolls-Royce, and the Defense Logistics Agency. The company’s products are found on Boeing [BA] and Airbus commercial aircraft, the Marine Corps V-22 tilt-rotor aircraft, and the H-47 and H-1 military helicopters.

Houlihan Lokey served as ECS’ financial adviser on the deal. AE Industrial’s financial adviser on the deal was PricewaterhouseCoopers.