Oakridge Holdings is a company that operates through the aviation ground support equipment business segment. It offers truck-mounted stairways and push stairs for loading aircraft; lavatory trucks and carts, water trucks, bobtails, and catering trucks for servicing aircraft; cabin cleaning trucks, maintenance hi-lifts, and turbo oilers for maintaining aircraft; and other custom-built aviation ground support equipment for airports, airlines, and military, as well as provides equipment repair and services.