| Business | Phone |
| Access America Guilford 6437 | (203) 453-5155 |
| Whiteman Team 21 Whitfield St, Guilford 6437 | (203) 458-3449 |
| William Raveis Real Estate 21 Whitfield St, Guilford 6437 | (203) 453-0391 |
| Vineyard Group 2614 Boston Post Rd, Guilford 6437 | (203) 453-6744 |
| Beazley Co-Realtors 995 Boston Post Rd, Guilford 6437 | (203) 453-5244 |
| Teodosio & Teodosio 9 Horseshoe Rd, Guilford 6437 | (203) 457-9710 |
| Symphony Realty 1445 Boston Post Rd, Guilford 6437 | (203) 458-9100 |
| Burns & Burns Realty 3 Guilford Point Dr, Guilford 6437 | (203) 453-8809 |
| Carloni-Leffingwell Real Est 90 River St, Guilford 6437 | (203) 453-6986 |
| Coast & Country Real Estate 1250 Boston Post Rd, Guilford 6437 | (203) 488-2529 |
| Coldwell Banker 1250 Boston Post Rd, Guilford 6437 | (203) 466-0000 |
| Peterson Real Estate 127 Whitfield St, Guilford 6437 | (203) 453-6711 |
| Prudential Connecticut Realty 133 State St, Guilford 6437 | (203) 453-8966 |
| Prudential Connecticut Realty 38 Sugarbush Dr, Guilford 6437 | (203) 457-9710 |
| Page-Taft Real Estate 73 Church St, Guilford 6437 | (203) 453-6511 |
| Pearce Co Realtors 88 Broad St, Guilford 6437 | (203) 453-2737 |
| Era Real Estate 725 Boston Post Rd # 5, Guilford 6437 | (203) 453-0479 |
| Freeman Family 80 Talcott Rd, Guilford 6437 | (203) 453-9624 |
| Lupone Co 99 Whitfield St # 1, Guilford 6437 | (203) 453-1047 |
| Page Taft Gmac Real Estate 73 Church St, Guilford 6437 | (866) 805-2584 |