HZ Electric Supply (HZ) has been serving the New England area since the 1930’s with a full line of electrical supplies, inclu ... ding beautiful lighting designs for industrial, commercial and residential customers. Today, we are a privately held U.S. Electrical Services Inc. company owned by C.E.D with our Central Distribution Center (CDC) located in Middletown, CT. Located there is our 200,000 square foot warehouse with over $11 million in inventory to serve the ever-changing needs of our customers. read more