| Business | Phone |
| Apt Realty Delmar 12054 | (518) 439-4916 |
| Betty Lent Real Estate 212 Delaware Ave, Delmar 12054 | (518) 439-2494 |
| Bicentennial Realty 163 Delaware Ave # 109, Delmar 12054 | (518) 439-3905 |
| Chandler & Vecchio Ltd 148 Kenwood Ave, Delmar 12054 | (518) 459-9958 |
| Fierro Realty Svc Inc 96 Elsmere Ave, Delmar 12054 | (518) 439-3606 |
| Meadow Development & Realty Co 72 Delaware Ave, Delmar 12054 | (518) 475-2883 |
| Noreast Real Estate Group 318 Delaware Ave, Delmar 12054 | (518) 439-2658 |
| Prime Properties 214 Delaware Ave, Delmar 12054 | (518) 439-9600 |
| Prudential Manor Homes 205 Delaware Ave, Delmar 12054 | (518) 439-4943 |
| Re/Max Premier 180 Delaware Ave, Delmar 12054 | (518) 439-8500 |
| Realty Usa 231 Delaware Ave # 3, Delmar 12054 | (518) 439-2888 |