| Ultimate Services Professional Grounds Management | 1793852 | 24 | 15 | Interstate |
| Connecticut Cartage Company INC | 725051 | 22 | 17 | InterstateHazmat |
| J&l Legacy Logistics Inc. | 5902968 | 10 | 10 | Interstate |
| Mattatuck Industrial Scrap Metal INC | 147665 | 9 | 4 | Interstate |
| Pool Water Pat INC | 1569863 | 9 | 3 | Interstate |
| Thomas Gianni & Sons INC | 708367 | 8 | 6 | Intrastate |
| Continental Scrap Metal LLC | 283846 | 7 | 5 | Intrastate |
| Landeen Transport LLC | 387565 | 7 | 6 | Interstate |
| Structural Steel LLC | 4126785 | 7 | 8 | Interstate |
| Migliaro Fuel Service LLC | 670622 | 6 | 2 | Intrastate |
| Raymond's Building Supplies INC | 775697 | 6 | 2 | Intrastate |
| Can It LLC | 953022 | 6 | 2 | Intrastate |
| Olmstead Contracting | 1640483 | 6 | 2 | InterstateHazmat |
| Dw Electrical LLC | 4982231 | 6 | 2 | Intrastate |
| T & D Express LLC | 2152814 | 5 | 5 | Interstate |
| Ceo Services LLC | 2499145 | 5 | 6 | Intrastate |
| Triple J Gaudiosi LLC | 3578626 | 5 | 4 | Interstate |
| Gaudiosi Hauling INC | 630480 | 4 | 3 | Intrastate |
| Burgos Construction Company INC | 1526940 | 4 | 2 | Intrastate |
| Jjs Landscape Management | 2055442 | 4 | 2 | Intrastate |
| Ncl Services LLC | 2141438 | 4 | 3 | Intrastate |
| Tj's Property Management LLC | 2783531 | 4 | 6 | InterstateHazmat |
| Geary Mechanical LLC | 3976795 | 4 | 8 | Intrastate |
| Dapa Construction CO INC | 759670 | 3 | 3 | Intrastate |
| Superior Sanitation LLC | 807195 | 3 | 2 | IntrastateHazmat |
| Wolcott Concrete Construction LLC | 824699 | 3 | 1 | Intrastate |
| J & J Paving LLC | 883604 | 3 | 7 | Intrastate |
| Quality Contracting LLC | 1829827 | 3 | 3 | InterstateHazmat |
| J E Rumino LLC | 2342154 | 3 | 3 | IntrastateHazmat |
| A Cut Above Lawncare LLC | 2516994 | 3 | 1 | Intrastate |
| S & O Construction LLC | 3084023 | 3 | 1 | Intrastate |
| Lily Lake Farm LLC | 4289609 | 3 | 1 | Intrastate |
| Paul P Cotter Company LLC | 4532441 | 3 | 2 | Interstate |
| Kulmann's Automotive LLC | 637340 | 2 | 2 | IntrastateHazmat |
| Julius C Pagano INC | 672432 | 2 | 1 | Intrastate |
| Diversified Petroleum Services L L C | 715038 | 2 | 2 | Intrastate |
| Psi-New England Storage Products | 785582 | 2 | 5 | Interstate |
| Wolcott Tree Service LLC | 1011258 | 2 | 2 | Intrastate |
| Edson Manufacturing Incorporated | 1217548 | 2 | 2 | Interstate |
| J A Rosa Construction LLC | 1387257 | 2 | 2 | Intrastate |
| Get It Done Concrete LLC | 1511861 | 2 | 1 | Intrastate |
| Hitchcock Land Improvement | 1702262 | 2 | 1 | Intrastate |
| Little B Plumbing And Drain Cleaning LLC | 2027320 | 2 | 1 | Intrastate |
| Got Grass-N-Snow Contracting LLC | 2480090 | 2 | 1 | Intrastate |
| Greco Fuel Oil Heating & Cooling LLC | 2492656 | 2 | 1 | Intrastate |
| Blackhawk Construction LLC | 2554169 | 2 | 2 | Intrastate |
| Sammy Construction | 2587077 | 2 | 1 | Intrastate |
| Micdon LLC | 2964196 | 2 | 2 | Intrastate |
| Tom's Masonry | 3063556 | 2 | 1 | Intrastate |
| Family Discount Heating Oil LLC | 3070369 | 2 | 1 | IntrastateHazmat |
| Desocio's LLC | 3126720 | 2 | 1 | Intrastate |
| J & C Rig Trucking Company LLC | 3264992 | 2 | 2 | Interstate |
| S & S Land & Home Services LLC | 3403698 | 2 | 2 | Intrastate |
| Db Landscape LLC | 3753085 | 2 | 1 | Intrastate |
| Scarmozzino Services | 3835563 | 2 | 1 | Intrastate |
| Babich Building And Restoration LLC | 3990521 | 2 | 1 | IntrastateHazmat |
| Naraka Painting Contractors LLC | 4300408 | 2 | 2 | Interstate |
| Elvis Masonry LLC | 4508963 | 2 | 2 | IntrastateHazmat |
| Kingston Oil | 4562729 | 2 | 2 | IntrastateHazmat |
| Eva Bless LLC | 4572829 | 2 | 1 | Interstate |
| Legacy Trucking LLC | 4693125 | 2 | 2 | Interstate |
| Mateo Masonry LLC | 4751247 | 2 | 4 | Interstate |
| Musano INC | 490274 | 1 | 2 | Interstate |
| D & R Hauling LLC | 638098 | 1 | 1 | Intrastate |
| G Hoffman Trucking LLC | 644817 | 1 | 1 | Intrastate |
| Caps Cranes INC | 721091 | 1 | 2 | Intrastate |
| All State Tire LLC | 727279 | 1 | 1 | Interstate |
| Naugatuck Valley Redemption Center INC | 775940 | 1 | 1 | Intrastate |
| Brook Garden Enterprises INC | 878347 | 1 | 1 | Interstate |
| Olmstead Construction L L C | 953153 | 1 | 1 | Intrastate |
| B & D General Contractors INC | 982940 | 1 | 1 | Interstate |
| Bell Tree Service | 1474278 | 1 | 1 | Intrastate |
| East Coast Concrete LLC | 1491311 | 1 | 1 | IntrastateHazmat |
| John Mccarthy | 1827809 | 1 | 1 | Intrastate |
| Haulin Trash & Demolition Services LLC | 1854404 | 1 | 1 | Intrastate |
| Sunshine Pool Water LLC | 1921074 | 1 | 1 | Intrastate |
| Jbj Services LLC | 2022295 | 1 | 1 | Intrastate |
| North American Homes | 2033027 | 1 | 1 | Intrastate |
| Family Discount Heating Oil LLC | 2084516 | 1 | 1 | Intrastate |
| Wolcott Fire Fryers | 2166676 | 1 | 1 | Intrastate |
| Bartlett Contracting LLC | 2199532 | 1 | 4 | Intrastate |
| Total Energy Electric INC | 2210957 | 1 | 1 | Intrastate |
| American Cleaning & Maintenance | 2251895 | 1 | 1 | IntrastateHazmat |
| Schmaltz Farm | 2305117 | 1 | 2 | Intrastate |
| G & F Equipment CO INC | 2359199 | 1 | 2 | Intrastate |
| Party Plus | 2374290 | 1 | 1 | Interstate |
| Hob Industries INC | 2400738 | 1 | 2 | Intrastate |
| M&g Towing Recovery And Used Cars LLC | 2409113 | 1 | 1 | IntrastateHazmat |
| A&e Auto Service | 2430783 | 1 | 1 | IntrastateHazmat |
| Peter Rolny | 2464025 | 1 | 3 | Intrastate |
| Gilman Berube | 2493949 | 1 | 1 | Intrastate |
| American Spray Foam Insulation LLC | 2499161 | 1 | 1 | Interstate |
| Prime Cuts Lawn Services | 2546433 | 1 | 10 | Intrastate |
| King Shaw Trucking LLC | 2823529 | 1 | 1 | Interstate |
| Rbm Transport LLC | 2834724 | 1 | 1 | InterstateHazmat |
| Rays Truck And Equipment Repair LLC | 2844500 | 1 | 2 | Intrastate |
| Olmstead Contractors LLC | 2882663 | 1 | 1 | InterstateHazmat |
| Daniel F Brevetti | 2926472 | 1 | 1 | Intrastate |
| Omega Contractors LLC | 2953416 | 1 | 1 | Intrastate |
| D&t Communications LLC | 3015304 | 1 | 2 | Interstate |