Wesco - 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. Wesco Wesco Work 2501 Third St Sioux City IA 51101-2247 work Work Phone: 712-255-7634work Work Fax: 712-255-3482workfax No Image Available