Profile: HPS Electrical Apparatus Sales and Service offers a full line of motors. We offer single phase AC motors, three phase AC motors, DC motors and tachometer generators. We also offer carbon dryer bearings, flashlights, speed reducers, starters, relays and pump panels. Our service line includes repair, rewinding and rebuilding of motors. Our on-site services are commutator & slip ring turning, portable vibration analysis and dynamic balancing.