[6] In January 2017, ATSG announced it had acquired Tampa, Florida-based PEMCO World Air Services,[7] a commercial aircraft maintenance, repair & overhaul provider and Boeing 737 passenger-to-freighter conversion house.

Omni Air is a passenger ACMI and charter services provider with significant experience serving U.S. and allied foreign governments plus commercial customers.

Omni Air also carries passengers worldwide for a variety of private sector customers and government services firms.

It was later announced in 2022 that the Wilmington Air Park in Clinton County, Ohio, was selected to be the site of a Special Procedures Aeroengine Hospital (SPAH).

[10] By November 2023, the Wilmington SPAH would receive certification from the American FAA, and later the European Union's EASA in April 2024, initially servicing aircraft engines manufactured by GE Aerospace and CFM International.