HP - 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. HP HP Work 3000 Hanover St Palo Alto CA 94304-1185 work Work Phone: 281-370-0670work Work Phone: (650) 857-1501work No Image Available