| Business | Phone |
| Bp 5100 Clem Rd, Portage 46368 | (219) 762-8688 |
| Bp 5105 Plaza Ave, Portage 46368 | (219) 762-8380 |
| Clark Station 6318 Central Ave, Portage 46368 | (219) 764-5074 |
| Dunes Citgo 6669 Us Highway 20, Portage 46368 | (219) 762-9500 |
| Gilbert's Mobil 5439 Central Ave, Portage 46368 | (219) 762-8916 |
| Jim's Amoco Svc 6090 Central Ave, Portage 46368 | (219) 762-4282 |
| Midwest Oil Co 6264 Melton Rd, Portage 46368 | (219) 763-2222 |
| Portage Marathon 6003 Central Ave, Portage 46368 | (219) 762-1511 |
| Shorline Oasis 5865 Us Highway 12, Portage 46368 | (219) 764-9991 |
| Speedway 5620 Us Highway 6, Portage 46368 | (219) 764-9981 |
| Speedway 6370 Central Ave, Portage 46368 | (219) 764-9712 |
| Speedway 5620 E Hwy 6, Portage 46368 | (219) 762-6384 |
| Speedway 5011 Central Ave, Portage 46368 | (219) 763-2218 |