WD Engineering is a progressive and innovative manufactures rep firm of Electrical and Industrial products. For over 40 years, WD Engineering has specialized in application knowledge and problem solving to fit our customers unique project needs. Servicing Illinois, Wisconsin, and Iowa with dedicated State Specialists. LS Electric : LG - VFD Drives, Mini Circuit Breakers, Contactors, MCCB, Manual Motor Starters, EMPR Dirak - Hinges, swinghandles, cable management GMN USA - Spindles and Spindle Repair BACO Controls - Control and Signaling Products Antaira - Power over Ethernet Switches, Industrial Wireless Products Song Chuan - Electromechanical Relays Fibox - Non-Metallic Solutions, Polycarbonate Enclosures Pfannenberg - Industrial Air Conditioners, Air to Air Heat Exchangers, and Singaling Macromatic - Time Delay Relays, Alternating Relays, Timers, Current Sensing Relays PR Electronics - Signal Conditioners, Temperature Transmitters, IS Interfaces, universal converters & transmitters Mencom - Molded Cables & Receptacles, Connectors, DIN Solenoid Valve Connectors, Junction Blocks TR Electronics - Rotary Encoders, wire draw encoders, linear encoders, sensors, press monitoring and control REX Power - Industrial Control Transformers, medium voltage CPTs, Reactors/Inductors, Low voltage Distribution