Williamson Electrical Service inc. is an electrical contractor located in Hopewell, NJ.  We provide residential, commercial, and industrial electrical service.  In addition to electrical construction, maintenance, testing and repairs, we install generators, alarms, and communication & data wiring.

Williamson Electrical Service inc. is a small family business that was established in 1960 by Joseph S. Williamson Jr.  His son, Joe (Joseph S. Williamson III) and grandson Jay (Joseph J. Williamson) now run the business.

We are proud to be a third generation family business of electricians and feel that being in business for over 50 years speaks for itself.  Our clientele list is extensive and diverse from all walks of life and businesses.  Many of our customers have been with us for over 30 years.

Our main priority is to provide high quality, reliable and dependable electrical service to all of our customers, for any size job that they may have.

Williamson Electrical Service inc. serves Hopewell, Princeton, Lawrence, the Central New Jersey area and parts of Bucks County Pennsylvania, but we will and have provided our services to customers outside of that area.

NJ License Number 5174