Capital Electric Supply Co. - 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. Capital Electric Supply Co. Capital Electric Supply Co. Contact: Greg Gehrke Work 7310 W. Roosevelt Ste 2 Phoenix AZ 85043 work Work Phone: 623-936-6789work Work Fax: 623-936-6262workfax No Image Available