| Stone and Steel Gym | | | 6 Main Street | Sports & Recreation | | | | | |
| Pinto, Mucenski, Hooper, Vanhouse & Co.CPAS, P.C. | | | | Finance & Insurance | (315) 265-6080 | | | | |
| Potsdam Town & Country Club | | | | Sports & Recreation | (315) 265-2141 | | | | |
| Blevins Motors Inc | | | | Automotive & Marine | (315) 265-9300 | | | | |
| SLIC Network Solutions | | | 3330 State Highway 11 B | Computers & Telecommunications | Available 24/7, 7 days/week at 877-754-2266 | | | | |
| St. Lawrence Health | | | | Health Care | (315) 265-3300 | | | | |
| Johnson Towing & Auto Repair | | | | Automotive & Marine | (315) 386-2928 | | | | |
| St. Lawrence Supply | | | | Shopping & Specialty Retail | (315) 265-5514 | | | | |
| Jreck Subs Potsdam | | | | Restaurant Food & Beverage | (315) 265-2222 | | | | |
| Beth's Place To Stay In Potsdam - On The River | | | | Lodging & Travel | | | | | |
| Donaldson-Seymour Funeral Home | | | | Personal Services & Care | (315) 265-4240 | | | | |
| Drew Insurance Agency | | | | Finance & Insurance | (315) 353-6636 | | | | |
| Gray and Gray Associates, CPAS, P.C. | | | | Finance & Insurance | (315) 265-4046 | | | | |
| H&R Block | | | | Finance & Insurance | (315) 265-8160 | | | | |
| Healey Medical Practice | | | | Health Care | (315) 261-5401 | | | | |
| James T. Lahey Agency, Inc. | | | | Finance & Insurance | (315) 265-5640 | | | | |
| Lavigne's IGA Potsdam | | | | Shopping & Specialty Retail | (315) 274-0355 | | | | |
| Mahoney's Auto Mall, Inc. | | | | Automotive & Marine | (315) 265-1850 | | | | |
| Morgan Stanley | | | | Finance & Insurance | (315) 265-6300 | | | | |
| Nikki Coates & Associates | | | | Real Estate, Moving & Storage | (315) 265-4303 | | | | |
| Persone Staffing | | | | Business & Professional Services | (315) 262-6200 | | | | |
| Potsdam Center For Innovative Dental Technologies | | | | Health Care | (315) 265-3377 | | | | |
| Potsdam Orthodontics | | | | Health Care | (315) 267-6588 | | | | |
| Potsdam Specialty Paper, Inc. | | | | Manufacturing, Production & Wholesale | (315) 265-4000 | | | | |
| Potsdam Volunteer Rescue Squad | | | | Health Care | (315) 265-2550 | | | | |