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The business of defense

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Company

AAR CORP.

AAR provides aviation parts, repair, software and government solutions to commercial and government customers worldwide. ↗

HeadquartersWood Dale, IL ↗
Founded1951 ↗
LeadershipJohn Holmes, CEO ↗
EmployeesAbout 6,000 ↗
Revenue$1.7 billion (fiscal 2018) ↗
Department of War obligations$1.9 billion in prime contracts since fiscal 2022 ↗
OwnershipPublic (NYSE: AIR) ↗
SharesAIR ↗
Websitewww.aarcorp.com ↗

Products

  • AAR sells new and used aircraft and engine parts. ↗
  • AAR provides airframe and component maintenance, repair and overhaul services. ↗
  • AAR's Government Solutions business offers maintenance and supply chain programs, shelters and sustainment systems, and parts for governments. ↗
  • AAR sells aviation software under the Trax, Aerostrat, Airvoyant and Airinmar names. ↗

Customers

  • AAR serves both commercial and government customers. ↗

Deals since 2020

Sep 202628

AAR agrees to buy MRO Holdings

Seller: MROH Intermediate Holdco · Backed by Bain Capital

A global provider of aircraft maintenance, repair and overhaul (MRO) with facilities in El Salvador, Mexico, Colombia and the United States

MRO and sustainmentOur briefSource
$4 billionPending
Dec 202517

AAR buys Aircraft Reconfig Technologies

Seller: ZIM Aircraft Cabin Solutions

An engineering company specializing in passenger aircraft reconfiguration for global airlines

MRO and sustainmentSource
$35 millionClosed Apr 24, 2026
Nov 202503

AAR buys HAECO Americas

Seller: HAECO USA

Heavy aircraft MRO and modification services across hangars in Greensboro, North Carolina and Lake City, Florida

MRO and sustainmentSource
$78 millionClosed Nov 3, 2025
Sep 202525

AAR buys ADI American Distributors

A distributor of electronic components and assemblies to original equipment manufacturers across the aerospace and defense industry

components and materialsC4ISR and electronicsSource
$146 millionClosed Sep 25, 2025
Aug 202511

AAR buys Aerostrat

A long-range maintenance planning software provider used by airlines, MRO facilities, and cargo companies

MRO and sustainmentSource
Up to $15 millionClosed Aug 11, 2025
Dec 202420

AAR sells AAR Landing Gear Overhaul business to GA Telesis

Buyer: GA Telesis

AAR's Landing Gear Overhaul (LGO) business, reported within its Repair, Engineering, and Software segment

MRO and sustainmentcomponents and materialsSource
$51 millionClosed Apr 3, 2025
Dec 202321

AAR buys Triumph Product Support

Seller: Triumph Group

MRO services for structural components, engine and airframe accessories, interior refurbishment, and wheels and brakes

MRO and sustainmentcomponents and materialsSource
$725 millionClosed Mar 1, 2024
Mar 202320

AAR buys Trax

A provider of aircraft MRO and fleet management software

MRO and sustainmentSource
Up to $120 millionClosed Mar 20, 2023
Jun 202023

AAR sells AAR Composites

Buyer: Undisclosed buyer

AAR's aerostructures and aerospace products operations in Clearwater, Florida and Sacramento, California, formerly in its Expeditionary Services segment

aerostructuresSource
UndisclosedClosed Aug 31, 2020

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