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Alabama Aircraft Industries, Inc provides aircraft maintenance and modification services to the United States government, foreign governments, and military customers. Its services include maintenance and modification of military transport, tanker, and petrol aircraft airframes; and aircraft maintenance and modification services, such as complete airframe maintenance and repair, and custom air frame design and modification. The company's services also comprise scheduled and unscheduled maintenance; interior refurbishment and reconfiguration; lavatory, galley, airstair, and auxiliary fuel tank installations; aging aircraft inspection; structural and accident damage repair; manufacturing and parts fabrication; composite repair; service bulletin and AD compliance; component repair and overhaul; EPA approved stripping and painting; CPCP; non-destructive testing; avionics upgrades and installation; and FAA repair station RJ1R454K. Its principal services performed under military contracts are programmed depot maintenance, aircraft modifications, aircraft stripping and painting, rewiring, parts fabrication, engineering support services, system integration of component upgrades, and modification of fixed wing aircrafts. In addition, the company offers airframe corrosion prevention and control, rewiring, and component overhauls, as well as structural, avionics, and other systems modification services. It provides its services directly as a prime contractor or indirectly as a sub- contractor. The company was formerly known as Pemco Aviation Group, Inc. and changed its name to Alabama Aircraft Industries Inc. in September 2007. Alabama Aircraft Industries, Inc was founded in 1983 and is based in Birmingham, Alabama. On Nov 3, 2011, the voluntary petition of Alabama Aircraft Industries, Inc., along with its affiliates, for reorganization under Ch 11 was converted to Ch 7. It had filed for Chapter 11 bankruptcy on Feb 15, 2011.

AeroVironment, Inc. designs, develops, produces, delivers, and supports a portfolio of robotic systems and related services for government agencies and businesses in the United States and internationally. It operates through Small Unmanned Aircraft Systems (SUAS), Tactical Missile System (TMS), Medium Unmanned Aircraft Systems (MUAS), and High Altitude Pseudo-Satellite Systems (HAPS) segments. The company supplies UAS, TMS, unmanned ground vehicle, and related services primarily to organizations within the U.S. Department of Defense, other federal agencies, and to international allied governments. It also designs, engineers, tools, and manufactures unmanned aerial and aircraft systems, including airborne platforms, payloads and payload integration, ground control systems, and ground support equipment and other items and services related to unmanned aircraft systems. In addition, the company offers small UAS products, including training, spare parts, product repair, product replacement, and the customer contracted operation. Further, it develops high-altitude pseudo-satellite UAS systems. AeroVironment, Inc. was incorporated in 1971 and is headquartered in Arlington, Virginia.

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.

Embraer S.A. designs, develops, manufactures, and sells aircraft and systems in North America, Latin America, the Asia Pacific, Brazil, Europe, and internationally. The company operates through Commercial Aviation; Defense & Security; Executive Aviation; Services & Support; and Other segments. The Commercial Aviation segment designs, develops, manufactures, and sells commercial jets, as well as leases aircraft. The Defense & Security segment engages in the research, development, production, modification, and support for military defense and security aircraft; and offers a range of products and integrated solutions that include radars, special space systems, and cyber security solutions, as well as information and communications systems comprising command, control, communications, computer, intelligence, surveillance, and reconnaissance systems. The Executive Aviation segment develops, produces, and sells executive jets. This segment also leases Phenom family executive jets in the entry jet and light jet categories; and Praetor 500 and Praetor 600, disruptive executive jets in the midsize and super midsize categories. The Service & Support segment provides after-service solutions and support services; maintenance, repair, and overhaul services for commercial, executive, and defense aircraft; and aircraft components and engines. This segment also supplies steel and composite aviation structures to various aircraft manufacturers. The Other segment engages in the supply of fuel systems, structural parts, and mechanical and hydraulic systems; and production of agricultural crop-spraying aircraft. The company was formerly known as Embraer-Empresa Brasileira de Aeronáutica S.A. and changed its name to Embraer S.A. in November 2010. Embraer S.A. was incorporated in 1969 and is headquartered in São Paulo, Brazil.