Valair Aviation, headquartered at Oklahoma City's Wiley Post Airport (KPWA), specializes in aircraft maintenance, airframe and avionics modification, custom paint and interiors, and complete aircraft restoration.

Kirkpatrick Avionics, a division of Valair Aviation, is an FAA-approved repair station located at the Max Westheimer Field in Norman, Oklahoma. The company provides avionics equipment and installation services for a variety of aircraft types from single engine to large corporate jets.

Commuter Air Technology (CAT) provides quality enhancements that enable King Air aircraft to do more while operating more effectively and efficiently. CAT provides end-to-end enhancements, modifications, engineering and program management solutions for the King Air and its military equivalent, the C-12. CAT's Special Mission Systems Division provides intelligence, surveillance and reconnaissance (ISR) products and services for domestic and foreign agencies and militaries.