Choosing the right custom wire and cable assembly supplier is a major decision.

How do you know you’ve chosen the best one? How can you be sure that they’ll do the job right? At Electro-Prep, we have provided unparalleled excellence to our customers for more than thirty years.

You never worry about having chosen well because we will earn your trust from the start with our vast experience, superior service and total commitment to quality connections on all fronts. We feel that an informed customer is our best customer. We have compiled a selection of helpful articles, an overview of our certifications, case studies, testimonials, and frequently asked questions to help you make a smart decision.

We love sharing our knowledge because the more you know, the better we look.

We would be thrilled to visit you to see your operation, study your requirements, and explore the opportunity to work together.

Contract manufacturer specializing in custom wire harnesses, cable assemblies, box-build, electro mechanical assemblies and custom assembly. ISO 9001:2015 certified. Serving Massachusetts, New England and companies across the USA and Canada. Made in the USA.