ESU is a full service distributor of electrical supplies for the residential construction, OEM, industrial, commercial, and municipal markets . We have been servicing San Diego for almost 30 years. We carry products from the industry's premiere manufacturers and offer the best in quality services.

Electrical Supplies Unlimited is a premier independent electrical wholesaler headquartered in San Diego, CA.  Featuring such brands as Orbit Industries, Lithonia, Siemens, Morris, Elco, Cutler Hammer,  Marinco, Cree, Ryco,  Priority Wire,  Dabmar, Topaz,  Next Wave, Royal Pacific Inc and many more. ESU is constantly looking for new partnerships with our Distributor Networks to bring you the best lighting and electrical products available. Call ESU today to fill your electrical and lighting needs.

We are in the business of providing the highest quality electrical and lighting components, parts and products from the leading manufacturers to the electrical and lighting contractor in the residential, industrial, institutional and end user markets.

ESU's goal is to add value to the distribution channel of the electrical construction industry.  Electrical Supplies Unlimited brings the highest quality electrical and lighting products to you for your electric and lighting projects. Our decades of experience and low prices ensure a satisfying relationship, where quality products and competitive pricing help serve your business needs.


ESU Inc has been in business for over 30 years. We have a large inventory of new electrical supplies both for the commercial and residential markets.  Our staff is very knowledgeable and our mission is to ensure that our customers expectations are exceeded. We sell a large and wide variety of electrical supplies, including transformers, circuit breakers, fuses, safety switches, panelboard switches and much much more. We are located at 6767 Nancy Ridge Drive San Diego, CA 92121. Come by today to see what we can do for you!


We can guarantee our work and always deliver results.