Colonial Electric Supply - Industry Directory Are you already on the list? Do you need to update your information? Click On the button below and Fill out the form to request edits to your listings or to be included in our Directory. Click Here Contact Admin [contact-form-7 id=”37131″ title=”Contact form”] Go back to directory. Add to Address Book. Colonial Electric Supply Colonial Electric Supply Work 1143 S Route 9 Cape May Court House NJ 08210- work Work Phone: 609-465-7144work Work Fax: 609-465-8456workfax No Image Available