AerCap Holdings N.V. engages in the lease, financing, sale, and management of commercial flight equipment in China, Hong Kong, Macau, the United States, Ireland, and internationally. The company offers aircraft asset management services, such as remarketing aircraft and engines; collecting rental and maintenance rent payments, monitoring aircraft maintenance, monitoring and enforcing contract compliance, and accepting delivery and redelivery of aircraft and engines; and conducting ongoing lessee financial performance reviews. Its aircraft asset management services also include periodically inspecting the leased aircraft and engines; coordinating technical modifications to aircraft to meet new lessee requirements; conducting restructuring negotiations in connection with lease defaults; repossessing aircraft and engines; arranging and monitoring insurance coverage; registering and de-registering aircraft; arranging for aircraft and engine valuations; and providing market research services. In addition, the company provides cash management services, including treasury services, such as the financing, refinancing, hedging, and ongoing cash management of vehicles; and administrative services comprising accounting and corporate secretarial services consisting of the preparation of budgets and financial statements. Further, it offers airframe and engine parts and supply chain solutions to airlines; maintenance, repair, and overhaul service providers; and aircraft parts distributors. The company had a portfolio of owned, managed, or on order aircraft. AerCap Holdings N.V. was founded in 1995 and is headquartered in Dublin, Ireland.

Air Lease Corporation, an aircraft leasing company, engages in the purchase and leasing of commercial jet aircraft to airlines worldwide. It sells aircraft from its fleet to third parties, including other leasing companies, financial services companies, airlines, and other investors. The company provides fleet management services to investors and owners of aircraft portfolios. As of December 31, 2023, it owned a fleet of 463 aircraft, including 345 narrowbody aircraft and 118 widebody aircraft. Air Lease Corporation was incorporated in 2010 and is headquartered in Los Angeles, California.

GATX Corporation, together its subsidiaries, operates as railcar leasing company in the United States, Canada, Mexico, Europe, and India. It operates through three segments: Rail North America, Rail International, and Portfolio Management. The company leases tank and freight railcars, and locomotives for petroleum, chemical, food/agriculture, and transportation industries. It also offers maintenance services, including the interior cleaning of railcars, routine maintenance and repair of car body and safety appliances, regulatory compliance works, wheelset replacements, interior blast and lining, exterior blast and painting, and car stenciling services. In addition, the company manufactures commercial aircraft jet engines and leases aircraft spare engines; and owns and manages tank containers that are leased to chemical, industrial gas, energy, food, cryogenic and pharmaceutical industries, and tank container operators, as well as provides tank container sourcing, remarketing, and inspection and maintenance services. As of December 31, 2023, it owned and operated a fleet of approximately 148,500 railcars; 493 four-axle and 30 six-axle locomotives; 399 aircraft spare engines; and 23,931 tank containers. GATX Corporation was founded in 1898 and is headquartered in Chicago, Illinois.

Air Transport Services Group, Inc., together with its subsidiaries, provides aircraft leasing, and air cargo transportation and related services in the United States and internationally. It operates in two segments, Cargo Aircraft Management Inc. (CAM) and ACMI Services. The company offers aircraft, flight crews, aircraft hull and liability insurance, and aviation fuel services; and aircraft maintenance and modification services, including airframe modification and heavy maintenance, component repairs, engineering services, and aircraft line maintenance. It also provides equipment maintenance services; cargo load transfer and package sorting services; crew training services; and airline express operation, line and heavy maintenance, and ground handling services. The company's ground support services include labor and management for cargo load transfer and sorting; design, installation, and maintenance of material handling equipment; leasing and maintenance of ground support equipment; general facilities maintenance; and resells aviation fuel at the air park in Wilmington, Ohio. Further, the company operates cargo and passenger transportation business; resells and brokers aircraft parts; and performs passenger-to-freighter and passenger-to-combi conversions of aircraft. It provides its services to delivery companies, freight forwarders, airlines, air transportation, e-commerce, package delivery, and logistics industries, as well as government customers. As of December 31, 2023, the company's in-service aircraft fleet consisted of 107 owned Boeing aircraft, three Airbus aircraft, and 20 leased aircraft. The company was formerly known as ABX Holdings, Inc. and changed its name to Air Transport Services Group, Inc. Air Transport Services Group, Inc. was founded in 1980 and is headquartered in Wilmington, Ohio.

Willis Lease Finance Corporation operates as a lessor and servicer of commercial aircraft and aircraft engines worldwide. The company operates through two segments, Leasing and Related Operations, and Spare Parts Sales. The Leasing and Related Operations segment engages in acquiring and leasing commercial aircraft, aircraft engines, and other aircraft equipment, as well as the purchase and resale of commercial aircraft engines and other aircraft equipment, and other related businesses. The Spare Parts Sales segment purchases and resells after-market engine parts, whole engines, engine modules, and portable aircraft components. The company also focuses on engine management and consulting business. It serves commercial aircraft operators, as well as maintenance, repair, and overhaul organizations. As of December 31, 2023, it had a total lease portfolio of 337 engines, 12 aircraft, one marine vessel, and other leased parts and equipment, and with 74 lessees in 42 countries; and managed a total lease portfolio of 198 engines, aircraft, and related equipment for other parties. The company was founded in 1985 and is headquartered in Coconut Creek, Florida.

AerSale Corporation provides aftermarket commercial aircraft, engines, and its parts to passenger and cargo airlines, leasing companies, original equipment manufacturers, and government and defense contractors, as well as maintenance, repair, and overhaul (MRO) service providers worldwide. It operates in two segments, Asset Management Solutions and Technical Operations (TechOps). The Asset Management Solutions segment engages in the sale and lease of aircraft, engines, and airframes, as well as disassembly of these assets for component parts. The TechOps segment provides internal and third-party aviation services, including internally developed engineered solutions, heavy aircraft maintenance and modification, and component MRO, as well as end-of-life disassembly services. This segment provides aircraft modifications, cargo and tanker conversions of aircraft, and aircraft storage; and MRO services for landing gear, thrust reversers, hydraulic systems, and other aircraft components. The company was founded in 2008 and is headquartered in Coral Gables, Florida.

Air T, Inc., through its subsidiaries, provides overnight air cargo, ground equipment sale, and commercial jet engines and parts in the United States and internationally. The company's Overnight Air Cargo segment offers air express delivery services. As of March 31, 2024, this segment had 105 aircraft under the dry-lease agreements with FedEx. Its Ground Equipment Sales segment manufactures, sells, and services aircraft deicers, scissor-type lifts, military and civilian decontamination units, flight-line tow tractors, glycol recovery vehicles, and other specialized equipment. This segment sells its products to passenger and cargo airlines, ground handling companies, the United States Air Force, airports, and industrial customers. The company's Commercial Jet Engines and Parts segment offers commercial aircraft trading, leasing, and parts solutions; commercial aircraft storage, storage maintenance, and aircraft disassembly/part-out services; commercial aircraft parts sales, exchanges, procurement services, consignment programs, and overhaul and repair services; and aircraft instrumentation, avionics, and various electrical accessories for civilian, military transport, regional/commuter and business/commercial jet, and turboprop aircraft to airlines and commercial aircraft leasing companies. This segment also provides composite aircraft structures, and repair and support services, as well as aircraft service and maintenance services. Air T, Inc. was incorporated in 1980 and is based in Charlotte, North Carolina.

Air Industries Group, together with its subsidiaries, engages in the design, manufacture, and sale of precision components and assemblies for defense and commercial aerospace industry in the United States. It offers actuators, arresting gears, aerostructures, aircraft structures, chaff pod assemblies, machining and milling solutions, cylinders, drag beams and braces, flight controls, flight safety critical components, integrated assemblies, landing gears, large diameter turn-mills, submarine valves, thrust struts, engine mounts, and turbine engine components and weldments for aircraft jet engines, ground turbines, and other complex machines. The company was founded in 1941 and is based in Bay Shore, New York.