| Business | Phone |
| Trav's Guilford Mobil Svc 1164 Boston Post Rd, Guilford 6437 | (203) 458-2663 |
| Shell 2293 Boston Post Rd, Guilford 6437 | (203) 453-4961 |
| Shoreline Getty Auto Svc 1046 Boston Post Rd, Guilford 6437 | (203) 453-1323 |
| Four Corner Svc Station 1500 Route 80, Guilford 6437 | (203) 457-0414 |