Greenbriar Equity Group Acquires Sunvair Aerospace Group from Blue Sea Capital

Greenbriar Equity Group Acquires West Star Aviation from The Sterling Group

May 21, 2025

Aerospace & Defense

Funds managed by Greenbriar Equity Group have acquired West Star Aviation, a leading business aviation maintenance, repair and overhaul (MRO) provider, from The Sterling Group. Financial terms were not disclosed; Greenbriar said it will leverage its aviation aftermarket experience to accelerate West Star's growth and enhance its service capabilities across the company's national facilities and AOG technician network.

Greenbriar Equity Group Acquires PCX Aerosystems

April 26, 2021

Aerospace & Defense

Greenbriar Equity Group has acquired PCX Aerosystems, a precision manufacturer of flight-critical assemblies for rotorcraft and fixed-wing aerospace platforms. The acquisition closed concurrently with PCX's purchase of Senior Aerospace Connecticut and is intended to accelerate PCX's growth and expand its manufacturing capabilities serving OEMs and Tier 1 suppliers.

Sunvair Aerospace Group Acquires Mingo Aerospace

January 8, 2021

Aerospace & Defense

Sunvair Aerospace Group, a portfolio company of Blue Sea Capital, has acquired Mingo Aerospace, an FAA-certified Tulsa-based provider of cargo loading system repairs and thermal spray coatings. Sunvair plans to invest in new capabilities and equipment to support Mingo's expansion; financing for the transaction was provided by NXT Capital and Barings.

Greenbriar Equity Group Acquires Applied Aerospace Structures Corporation

December 8, 2022

Aerospace & Defense

Funds managed by Greenbriar Equity Group acquired Applied Aerospace Structures Corporation (AASC), a Stockton, California-based provider of complex composite and metal-bonded structures for space, aerospace, and defense programs. The investment will support AASC's growth and expansion plans — including organic growth and selective acquisitions — while financial terms were not disclosed.

H.I.G. Capital Acquires STS Aviation Group from Greenbriar Equity Group

October 8, 2024

Aerospace & Defense

An affiliate of H.I.G. Capital has completed a strategic equity acquisition of STS Aviation Group from Greenbriar Equity Group. STS’s executive team will remain in place and as significant shareholders while H.I.G. positions the business for global expansion, capability growth, and potential add-on acquisitions in the aviation MRO and parts-distribution market.

Greenbriar-backed Applied Aerospace and PCX Aerosystems Combine to Form Applied Aerospace & Defense

December 3, 2025

Aerospace & Defense

Greenbriar Equity Group has formed a new platform, Applied Aerospace & Defense, by combining Applied Aerospace and PCX Aerosystems to create a scaled supplier of precision flight, space and defense hardware. The combined company brings complementary capabilities in metal, composite and polymer manufacturing, more than 1,300 employees across nine locations in five states, and 1.3 million square feet of production and integration facilities to serve military, commercial aerospace and space customers.