Since 1928 PENN-UNION CORP.  has earned the reputation as a manufacturer of quality electrical connectors.  Through a worldwide network of 30- 40 manufacturers representative organizations and over 1200 wholesale electrical distributors, Penn-Union services the Industrial, Contractor, Utility and OEM Electrical Markets.

Over 30,000 product variations, ranging in size from a component that weighs a few ounces to a copper casting that weighs over 100 pounds. Mechanical and compression style connectors are produced at our U.S. plant location.  Aluminum and copper offerings are listed for power, grounding, bonding and direct burial.