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 7020 Grand Avenue Hammond IN 46323-2551 work Work Phone: 219-844-9400work Work Fax: 219-989-7544workfax No Image Available