Schwing Electrical Supply has been servicing the industrial, OEM, Export, Utility, and Contractor markets for Nassau and Suffolk counties since 1960. Founded by Charlie Schwing, the company has grown from a 2,200 sq. ft. oversized garage to a corporation consisting of 6 locations totaling over 70,000 sq. ft. of warehouse space. Making Schwing Electric the largest supply house in both Nassau and Suffolk County. Our Huge Inventory features a complete line of high quality electrical products and fixtures from the worlds leading manufacturers. Our highly trained and friendly staff will assist you with all of your project needs. From the start, customer service has been what Schwing is all about. 47 years later, customer satisfaction and service is STILL our number one priority. Our customers are the reason behind our success..