| Business | Phone |
| Basmajian Real Estate 182 Main St, Massena 13662 | (315) 769-7687 |
| Dufrane Realty 21 E Orvis St, Massena 13662 | (315) 769-2446 |
| Kassian Real Estate 156 E Orvis St, Massena 13662 | (315) 769-0025 |
| North Woods Coml Real Est 25 Water St, Massena 13662 | (315) 705-0030 |
| Northrop Appraisal Svc 16 Romeo Ave, Massena 13662 | (315) 769-8518 |
| Paul Post Realty 11 Main St, Massena 13662 | (315) 769-2414 |
| St Lawrence Sleep Labs In 6 Hospital Dr, Massena 13662 | (315) 769-0005 |