Beck 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. Beck Electric Supply Beck Electric Supply Contact: Leo Cosgrove Work 1605 S 93rd St Seattle WA 98108 work Work Phone: 206-763-2011work Work Fax: 206-767-9219workfax Work Email: wasales@beckelectric.comINTERNET No Image Available