| Brush Tough Forestry Mulching & Land Clearing | Pomfret Center | 2 | — | (860) 428-5978 | 0.0 |
| Arts Septic Tank Service LLC | Brooklyn | 2 | Septic and portable sanitation | (860) 208-8067 | 6.0 |
| Ross Recycling Inc | Putnam | 2 | Automobile Parts & Supplies-Used & Rebuilt-Wholesale & Manufacturers | (860) 848-3366 | 6.8 |
| Tri-State Recycling LLC | Putnam | 1 | Recycling | (774) 601-3258 | 6.8 |
| Ecocrush LLC | Woodstock Valley | 1 | — | (413) 218-0208 | 6.9 |
| Northeast Septic | Dayville | 1 | Septic and portable sanitation | (860) 377-1862 | 7.4 |
| Rlbpab LLC | Dayville | 1 | — | (860) 377-0150 | 7.4 |
| Dylans Dumpsters LLC | Chaplin | 1 | Contractors Equipment Rental | (860) 455-9924 | 8.8 |
| Jolley Precast Inc | Danielson | 8 | Septic Tanks & Systems | (860) 774-9066 | 8.9 |
| D&S Recycling LLC | North Grosvenordale | 1 | Recycling | (860) 923-9417 | 9.3 |
| Earthworks Construction and Septic LLC | North Grosvenordale | 1 | Septic Tank & System Cleaning | (860) 428-1768 | 9.3 |
| AL's Septic | Thompson | 1 | Septic and portable sanitation | (860) 774-2381 | 10.4 |
| D & D Trucking | Canterbury | 1 | Septic and portable sanitation | (860) 546-9598 | 12.0 |
| RND Excavation and Land Clearing LLC | Canterbury | 1 | — | (860) 942-3129 | 12.0 |
| T Strmiska Septic Systems LLC | Canterbury | 1 | Septic and portable sanitation | (860) 546-2072 | 12.0 |
| Trickett Septic Service LLC | Mansfield | 1 | Septic Tank & System Cleaning | (860) 423-4255 | 12.4 |
| 1301 Avenue of the Americas LLC | Willington | 1 | — | (860) 377-1423 | 13.8 |
| Admiral Septic Com | Willington | 4 | Septic and portable sanitation | (860) 933-1464 | 13.8 |
| County Line Septic LLC | Willington | 4 | Septic Tank & System Cleaning | (860) 331-0444 | 13.8 |
| Daltt Land Clearing | Willington | 1 | Demolition debris | (860) 306-8660 | 13.8 |
| All-American Disposal LLC | Moosup | 2 | Fuel Oils | (860) 564-0559 | 14.0 |
| Scott Houle | Storrs Manfld | 2 | Waste collection | (860) 428-4332 | 14.1 |
