Kay performs operator through sustainment level maintenance and production support for Army tactical ground vehicles and support equipment in Brigade and Battalion level Organizational Maintenance Facilities.

Maintenance services include; performance of daily unscheduled maintenance and routine scheduled services on over 3,900 Tactical Trucks, such as High Mobility Multipurpose Wheeled Vehicle (HMMWV) Fleet; Light Medium Tactical Vehicle (LMTV) Fleet, Medium Tactical Vehicle (MTV) Fleet, and Heavy Expanded Mobility Tactical Truck (HEMTT) Fleet, Additionally, Kay performs maintenance and services on 1,900 Tactical Trailers, such as Flat Bed Trailers, Lowboy Trailers, Fuel Tankers, Light and Medium Cargo Trailers, and Water Trailers; Tactical Forklifts and Cranes; Heavy Construction Equipment items; and Tactical Generators.