| Business | Phone |
| Anderson Insight Realty Inc 1033 Lemar Rd, Newmarket L3Y 1S2 | (905) 954-0736 |
| Heritage Group 17565 Yonge St, Newmarket L3Y 5H6 | (905) 895-1822 |
| Ken Hale Real Estate 1091 Gorham St, Newmarket L3Y 7V1 | (905) 836-1494 |
| Re/Max Omega Realty Ltd 1140 Stellar Dr, Newmarket L3Y 7B7 | (905) 830-9111 |
| Remax Omega Realty 1140 Stellar Dr, Newmarket L3Y 7B7 | (416) 798-7365 |
| Remax Omega Realty Ltd 181 Rue Joseph-Carrier, Newmarket L3Y 7B7 | (450) 424-2660 |
| Robert Armstrong Ltd 28 Main St N, Newmarket L3Y 3Z7 | (905) 895-8621 |
| Royal Le Page Commercial Inc 16630 Bayview Ave #6, Newmarket L3X 1X2 | (905) 841-2500 |
| Sutton Group Future Realty Inc 1091 Gorham St #102, Newmarket L3Y 7V1 | (905) 853-5955 |
| Tavco Real Estate Holdings Inc 16655 Yonge St, Newmarket L3X 1V6 | (905) 898-1117 |
| York North Realty 17360 Yonge St, Newmarket L3Y 7R6 | (905) 836-1212 |
| York Region Real Estate Board 28 Main St N, Newmarket L3Y 3Z7 | (905) 895-7624 |
| Boyd, Charles E 240 Main St S, Newmarket L3Y 3Z5 | (905) 895-4517 |
| Century 21 Heritage Group Ltd 17565 Yonge St, Newmarket L3Y 5H6 | (905) 939-2121 |
| Century 21 Heritage Grp Ltd 17565 Yonge St, Newmarket L3Y 5H6 | (905) 773-1751 |