# Air Transport Services Group, Inc.

> ATSG is a Wilmington, Ohio aviation group that leases freighter aircraft and supplies airline operations, maintenance, conversions and ground support to delivery networks, airlines and government customers worldwide. Its Lease+Plus model combines aircraft assets with optional operating services. Stonepeak acquired the company in April 2025 at an approximately $3.1 billion enterprise valuation.

- **Founded:** 1980
- **Headquarters:** Wilmington, United States
- **Products:** Lease+Plus, Cargo Aircraft Management, ABX Air and Air Transport International, Airborne Maintenance & Engineering Services, PEMCO Conversions
- **Notable:** Developed a freighter leasing and operating platform with roots in ABX Air’s 1980 founding., Became a launch operating partner in Amazon’s dedicated air network., Placed nine newly converted 767-300 freighters with external customers during 2024.

## Products & services

- **Lease+Plus** — A configurable bundle of aircraft leasing, airline operations, maintenance, engine and logistics support.
- **Cargo Aircraft Management** — Freighter aircraft leasing under multi-year contracts; aircraft offerings include Boeing 767 and Airbus A321 and A330 converted freighters.
- **ABX Air and Air Transport International** — Cargo flying under CMI, ACMI and charter arrangements. ACMI includes aircraft, crew, maintenance and insurance.
- **Airborne Maintenance & Engineering Services** — Heavy and line maintenance, component overhaul, engineering, manufacturing and material sales, with facilities in Wilmington and Tampa.
- **PEMCO Conversions** — Passenger-to-freighter conversion expertise, including Boeing 737 freighter and flexible combi configurations.
- **LGSTX Services and TriFactor Solutions** — Ground equipment, gateway operations, maintenance and engineered material handling systems.
- **Omni Air International** — Passenger ACMI and charter services; subject to an announced sale agreement as of October 23, 2026, not a completed divestiture.

## Achievements

- Developed a freighter leasing and operating platform with roots in ABX Air’s 1980 founding.
- Became a launch operating partner in Amazon’s dedicated air network.
- Placed nine newly converted 767-300 freighters with external customers during 2024.
- Completed the Stonepeak take-private acquisition in April 2025.

## Latest updates

- **2026-09** — Agreed to sell Omni Air International to OAI Holdings; terms undisclosed, closing expected in Q4 2026 or early 2027, subject to regulatory approval and other conditions.
- **2026-09** — ABX Air announced a long-term 767-300 ACMI agreement with Global Aviation Link.
- **2026-06** — Announced an A330P2F lease agreement with Air Hong Kong.
- **2026-04** — ATI pilots ratified a new four-year collective bargaining agreement.
- **2026-02** — Erickson acquired ATSG’s minority interest in 321 Precision Conversions.
- **2026-01** — Greg Mays became president and CEO on January 1, succeeding Mike Berger.

## Links

- Website: https://atsginc.com
- LinkedIn: https://www.linkedin.com/company/air-transport-services-group-inc.
- Twitter/X: https://twitter.com/ATSGinc
- Facebook: https://www.facebook.com/atsginc

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Last updated: 2026-10-23