Adavco provides aircraft communication, navigation and surveillance (CNS) engineering services, systems integration and technical support for aviation infrastructure, including air traffic control systems and avionics solutions for airports and airlines.

AAR CORP is a global aviation aftermarket company providing aircraft maintenance, repair and overhaul (MRO), parts supply, component repair, engineering, inventory management and integrated fleet support to airlines, governments and OEMs.
Abjad Group is a Dubai-based aviation consulting and asset management company providing airline consulting, aircraft financing, leasing, trading, remarketing and lifecycle asset support (including engineering modifications and aircraft disposal) to airlines and lessors.
ACI Aviation Consulting provides aircraft, engine and spare-parts valuations, litigation support/expert witness services, repossessions and remarketing advisory for aviation finance clients including lessors, banks and airlines.
Adse is a French aviation support company offering aircraft line maintenance, airworthiness inspections, component repair management, and technical services to airlines and corporate operators at regional airports.
AerData provides aircraft records management, technical records digitisation and lifecycle data solutions for airlines, lessors, MROs and aviation asset managers — ensuring compliance and accuracy of aircraft technical data throughout the asset lifecycle.
AerFleet Tech is a provider of fleet management based in USA. Fleet technology and telematics solutions provider.
Aero-Sky is a Geneva-based aviation company offering aircraft sales, leasing and brokering services, spare parts trading from its stock, and aviation consultancy support for fleet, transactions and technical/market planning.
Aero Canada Industries 770 Inc. is a small private aviation company (based in Montreal, Canada) that supplies and trades aircraft parts and offers repair management services for various commercial aircraft types.
Aeronigma is an aviation technology company specialising in cloud-based software for aircraft technical records management, airworthiness tracking, compliance automation and maintenance planning used by airlines, lessors, MROs and CAMO organisations.
Aeropodium is an aviation media and event company that produces industry conferences, publishes aviation-related content and connects professionals through networking forums, training summits and specialist aviation events worldwide.