NJ Sullivan has been manufacturing custom metal electrical boxes for the electrical utility field since 1958. We manufacturing electrical enclosures, CT cabinets and termination cabinets to meet utility company requirements as well as custom specifications.

We make all the standard requested electrical enclosure products such as the NEMA rated Type 3R, NEMA type 3, NEMA type 1, NEMA type 4x stainless steel metal box and many more.

We also custom manufacture metal electrical boxes to meet whatever your needs may be. All products are designed and manufactured at our Sterling Virginia plant, just outside Washington, DC near Dulles airport. All products proudly made in the USA.

Contact NJ Sullivan and find out what we can build for you.