| Business | Phone |
| City Of Portage 6275 Old Porter Rd, Portage 46368 | (219) 763-4683 |
| Portage City Animal Control 2693 Irving St # P, Portage 46368 | (219) 763-1825 |
| Portage City Engineer 6070 Central Ave # P, Portage 46368 | (219) 762-1815 |
| Portage Marina 1200 Marina Way, Portage 46368 | (219) 763-6833 |
| Portage Planning Commission 6070 Central Ave # P, Portage 46368 | (219) 762-7607 |
| Portage Sewer Maintenance 2301 Hamstrom Rd, Portage 46368 | (219) 763-2986 |
| Portage Treatment Plant 5500 Old Porter Rd, Portage 46368 | (219) 762-1301 |
| Portage Twp Trustee 3484 Airport Rd, Portage 46368 | (219) 762-1623 |