Commercial Electric Motor Service Inc. (CEMSI), established in 1944 and based in St. Louis, MO, is your premier source for AC and DC electric motors, controls, variable frequency drives, replacement parts, and technical support. Our extensive inventory, combined with partnerships with top industry suppliers, allows us to offer the Midwest's largest selection of products at competitive prices. Our knowledgeable, multi-generational technical staff is dedicated to providing you with the right solutions for your applications. We offer same-day shipping nationwide to ensure you receive your products when and where you need them. Contact us today to experience the CEMSI difference!
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