| Business | Phone |
| Baldino & Son Excavating-Sewer 454 Central Ave, New Haven 6515 | (203) 389-1654 |
| Celentano Excavating 1423 Quinnipiac Ave, New Haven 6513 | (203) 466-1323 |
| Coyle Construction New Haven 6513 | (203) 467-9407 |
| Diggers Excavation Llc New Haven 6511 | (203) 619-2310 |
| Pj's Construction Co Inc 2 Thorn St, New Haven 6519 | (203) 782-0722 |
| Fairmont Paving New Haven 6511 | (203) 865-3001 |
| G Delucia Co 43 Morris Cswy, New Haven 6512 | (203) 469-4115 |