Mark Johnstone

Signature Aviation Plc manufactures aircraft parts and provides flight support services. The company was founded by William Fenton and Walter Wilson Cobbett in 1879 and is headquartered in London, the United Kingdom.

Signature Aviation US Holdings, Inc. operates as a holding company. The company is headquartered in Orlando, FL.

Signature Flight Support Corp. engages in the provision of fixed base operation and distribution network business and private aviation. Its services include custom sales solutions; aircraft maintenance under TECHNICAir brand; aircraft charter and management; and office, shop, and hangar space for aircraft or aviation-related business. The company was founded in 1992 and is headquartered in Orlando, FL.

H+S Aviation Ltd. provides aviation repair and overhaul services. It specializes in auxiliary power units, general electric product program, engine accessory business, and regional turbine center. The firm's services include aircraft on ground support, international turbine services, spare salesa nd test facilities. The company was founded by A. H. Hawes, W. E. Hawes, A. E. Hawes, and F. G. Lewis in 1946 and is headquartered in Portsmouth, the United Kingdom.

IFG Capital Ltd. operates as an investment firm that specializes in mezzanine investments in small and medium sized enterprises. Its services include fundraising, strategy and capacity building, mergers and acquisitions, and resolution of distressed assets. The firm serves financial services, security, defense and aerospace, energy, and information technology sectors. The company was founded by Andrew Hunt in 1997 and is headquartered in London, the United Kingdom.

Global Engine Services provides aircraft maintenance services. The private company is based in Dallas.

Founded in 1985, APPH Ltd. is a subsidiary of Héroux-Devtek, Inc. The private company is based in Runcorn, UK. The British company manufactures hydraulics, landing gear, and filters, and provides repair, overhaul, testing, and certification services.