| Lavalle Transportation INC | 575205 | 404 | 421 | Interstate |
| Casella Waste Service | 54438 | 45 | 28 | InterstateHazmat |
| J E Sheehan Contracting Corporation | 550841 | 37 | 10 | Interstate |
| Harold Wilson & Sons INC | 1108632 | 18 | 19 | Interstate |
| The Bicknell Corporation | 1409262 | 11 | 12 | Intrastate |
| Diamond Propane INC | 1121801 | 7 | 7 | IntrastateHazmat |
| North End Auto Repair Salvage | 1475068 | 7 | 3 | Intrastate |
| Sheehan Equipment Corporation | 1640371 | 7 | 1 | Intrastate |
| Theisen's Tools LLC | 3166460 | 7 | 4 | Intrastate |
| Toomey Brothers Logging | 893153 | 6 | 3 | Intrastate |
| Sam's Dairy Incorporated | 1390664 | 6 | 6 | Intrastate |
| Adon Farms Operations LLC | 1546525 | 6 | 5 | Intrastate |
| Ward Excavating And Paving INC | 1248302 | 5 | 2 | Intrastate |
| Ncc Systems INC | 4548812 | 5 | 5 | Intrastate |
| Reliable Waste Services | 1129614 | 4 | 2 | Intrastate |
| Blanchard's Auction Service | 1524526 | 4 | 2 | Intrastate |
| Adirondack Greenhouses LLC | 3893534 | 4 | 6 | Intrastate |
| Btc Haul | 8123371 | 4 | 2 | Intrastate |
| Donald Snyder Logging Company LLC | 690816 | 3 | 2 | Interstate |
| Aim High School Of Defensive Driving INC | 1121072 | 3 | 2 | Intrastate |
| Frank Randall & Sons INC | 1133118 | 3 | 2 | Intrastate |
| Burkum Contracting | 1138749 | 3 | 1 | Intrastate |
| Burkum Trucking | 1141294 | 3 | 2 | Interstate |
| Snell Equipment INC | 1362898 | 3 | 3 | Intrastate |
| Sullivan Drilling | 1448322 | 3 | 1 | Intrastate |
| Cheney General Contracting | 1465388 | 3 | 3 | Intrastate |
| Dmt Foam INC | 1473739 | 3 | 3 | Intrastate |
| Willow Tree Florist And Landscaping INC | 1524233 | 3 | 5 | Intrastate |
| Potsdam Agway | 1632169 | 3 | 1 | Intrastate |
| Martin's Farm Supply | 2187357 | 3 | 3 | Intrastate |
| Rocking C Trucking & Excavating LLC | 2458985 | 3 | 2 | Interstate |
| R Page | 2493590 | 3 | 1 | Intrastate |
| Sheatree315 | 2994010 | 3 | 1 | Intrastate |
| Wolf's Tree Service | 3218263 | 3 | 1 | Intrastate |
| Skippy's Auto And Towing LLC | 3331107 | 3 | 3 | Intrastate |
| Patrick R Remington | 3411569 | 3 | 4 | Intrastate |
| Triple H Farms | 3924532 | 3 | 1 | Intrastate |
| Tadcon Electric LLC | 4149935 | 3 | 8 | Intrastate |
| Clarkson University | 1127242 | 2 | 2 | Interstate |
| Stockholm Sand & Gravel INC | 1144159 | 2 | 3 | Intrastate |
| Charleston Excavating Plumbing & Heating INC | 1169273 | 2 | 2 | Interstate |
| Bronson Service Corp | 1514364 | 2 | 2 | Intrastate |
| Mcgregor Electric Company INC | 1526843 | 2 | 1 | Intrastate |
| Potsdam Tire & Auto Service INC | 1543010 | 2 | 5 | Intrastate |
| R&r Automotive | 1543175 | 2 | 2 | IntrastateHazmat |
| Magi Enterprises INC | 1544474 | 2 | 5 | Intrastate |
| First Class Services | 1556167 | 2 | 3 | Intrastate |
| Kma Construction | 1630771 | 2 | 2 | Intrastate |
| B&c Land Maintenance | 1660225 | 2 | 2 | Intrastate |
| Williams Construction | 1887058 | 2 | 1 | Intrastate |
| Wayne Sochia | 1909828 | 2 | 1 | Intrastate |
| Willow Ridge Builders LLC | 1928874 | 2 | 1 | Intrastate |
| North Country Collision INC | 2014983 | 2 | 2 | IntrastateHazmat |
| Snell All-Season Contracting | 2147502 | 2 | 2 | Intrastate |
| Mcgrath Forestry Services | 2538370 | 2 | 2 | Intrastate |
| Cutlers Custom Home Repair INC | 2632860 | 2 | 2 | Intrastate |
| A Zahler Electric | 2640468 | 2 | 1 | Intrastate |
| Page Landscaping | 2919899 | 2 | 1 | Intrastate |
| Manor's Stump Grinding And Lawn Restoration | 3264372 | 2 | 2 | Intrastate |
| West Parishville Metals LLC | 3426119 | 2 | 3 | Interstate |
| Matt's Trash Service | 3519024 | 2 | 2 | Intrastate |
| Weaver's Waste Services | 3525839 | 2 | 1 | Intrastate |
| Btb Pools LLC | 3690287 | 2 | 4 | Intrastate |
| Suny Potsdam | 3856497 | 2 | 5 | Intrastate |
| Southville Properties Incorporated | 4235118 | 2 | 2 | Intrastate |
| Anchors Aweigh LLC | 4409791 | 2 | 3 | Intrastate |
| Sjl All Season LLC | 4588524 | 2 | 3 | Intrastate |
| Northern Ny Display Fireworks LLC | 5651297 | 2 | 2 | Interstate |
| Sheehan Contracting Corporation | 6258196 | 2 | 6 | Intrastate |
| Gilbert E Sochia | 483151 | 1 | 1 | Intrastate |
| Pat Remington Trucking LLC | 956287 | 1 | 2 | Interstate |
| Timothy Randall | 1076077 | 1 | 2 | Intrastate |
| Richard A Randall | 1125151 | 1 | 1 | Intrastate |
| Moore's Trucking & Excavating | 1145222 | 1 | 2 | Intrastate |
| Marshall Richards Trucking | 1146487 | 1 | 1 | Intrastate |
| Express Transportation | 1297659 | 1 | 5 | Interstate |
| Perrys Used Cars | 1297949 | 1 | 1 | Intrastate |
| Peter Parker | 1380803 | 1 | 1 | Intrastate |
| Rocking C Enterprise | 1419707 | 1 | 1 | Intrastate |
| Sweeney's Construction | 1437913 | 1 | 1 | Intrastate |
| Aeon Heating & Air Conditioning | 1448851 | 1 | 1 | Intrastate |
| Aeon Distributors INC | 1462851 | 1 | 2 | Intrastate |
| Dan's Plumbing And Heating | 1481059 | 1 | 1 | Intrastate |
| Brabaw | 1485453 | 1 | 1 | Intrastate |
| Great Northern Auto Recovery | 1518928 | 1 | 1 | Intrastate |
| Scanlon Home Care Service | 1519875 | 1 | 6 | Intrastate |
| Rm Trucking | 1521119 | 1 | 2 | Intrastate |
| Independent Operator-George Weston Bakery | 1552337 | 1 | 1 | Intrastate |
| Hitchman Builders | 1554137 | 1 | 1 | Intrastate |
| Independent Owner Operator | 1556759 | 1 | 1 | Intrastate |
| Hooper's Moving And Storage INC | 1564313 | 1 | 2 | Intrastate |
| Northern Interiors | 1569491 | 1 | 2 | Intrastate |
| J A Randi Construction | 1570096 | 1 | 1 | Intrastate |
| Kevin John Youngs | 1589248 | 1 | 1 | Intrastate |
| From The Heart Cabinetry | 1617121 | 1 | 1 | Intrastate |
| Potsdam Mineral LLC | 1622655 | 1 | 1 | Intrastate |
| Howard J Sochia Jr | 1640694 | 1 | 1 | Intrastate |
| Dennis J Stephenson | 1647745 | 1 | 1 | Intrastate |
| Potsdam Auto Broker | 1653805 | 1 | 1 | Intrastate |
| Harris Medical Supplies & Equipment | 1657570 | 1 | 1 | Intrastate |