Air Transport Services Group is a leading provider of aircraft leasing, and air cargo transportation and related services,globally. Moreover, this Wilmington, OH-based company is the largest lessor of freighter aircraft across the globe and operates through many subsidiaries.

Additionally, it owns and operates the following airline subsidiaries, namely ABX Air Inc., Air Transport International Inc., and Omni Air International, LLC. Moreover, Air Transport Services Group’s in-service fleet size at the end of 2022 was 128, of which 111 were owned. The remaining jets were leased from external companies.

Moreover, the company, founded in 1980, is the largest provider of passenger charter service to the United States Department of Defense (DoD) and other governmental agencies. The DoD accounted for 30% of the company's revenues in 2022.

Apart from the Department of Defense, major customers of the company include Amazon.com, DHL and United Parcel Service. UPS is Air Transport Services Group's newest 767 freighter lease customer.

The company also offers a wide range of air-transportation-related services to its customers including aircraft maintenance and modification, ground handling and crew training.

Air Transport Services Group primarily operates through the following reporting segments, namely Cargo Aircraft Management or CAM and ACMI (aircraft, crew, maintenance & insurance) Services.

The CAM segment (which accounted for 21.2% of 2022 revenues) is responsible for the company's aircraft leasing operations. As of Dec 31, 2022, CAM had 17 jets under lease to external customers.

The ACMI Services segment (representing 68.4% of 2022 revenues) is responsible for the operations of the company’s above-mentioned airline subsidiaries. These airlines provide airlift operations to customers. The remainder of the top line was accounted for by other activities in 2022. The company’s fiscal year coincides with the calendar year.