About D & D Instruments
D&D Instruments remanufactures instrument clusters for International school busses and class 5 through 8 trucks. D & D also repairs general automotive instrument clusters and offers a full line of automotive, industrial, marine, and process gauges. Switches, shafts, adapters, lights, and various electrical components. D&D Instruments manufactures both electronic and pneumatic Expello drain valves for compressed air systems.