| Dayton Construction Company INC | 331674 | 28 | 39 | Interstate |
| Stonybrook Construction LLC | 732719 | 12 | 23 | Intrastate |
| Cocchiola Paving INC | 474876 | 10 | 10 | Intrastate |
| Brothers' Tree Service LLC | 1069281 | 10 | 4 | Intrastate |
| Proe's Services LLC | 652891 | 9 | 6 | Intrastate |
| Johns Lawn Care & Landscaping LLC | 1473495 | 8 | 2 | Intrastate |
| Quality Glass Works INC | 563111 | 5 | 3 | Interstate |
| American Rooter LLC | 649740 | 5 | 5 | Intrastate |
| Quality Landscaping And Nursery LLC | 765942 | 5 | 5 | Intrastate |
| Lafferty Fuel | 1326973 | 5 | 2 | Intrastate |
| Rede Garden Center | 1658998 | 5 | 7 | Intrastate |
| Kalenauskas Farm LLC | 641729 | 4 | 8 | Interstate |
| General Welding & Fabrication INC | 755169 | 4 | 2 | Intrastate |
| Main Street Auto LLC | 2020056 | 4 | 2 | Intrastate |
| Evergreen | 2152605 | 4 | 4 | Intrastate |
| Andrade's Northern Logistics | 3289757 | 4 | 3 | Interstate |
| C&s Masonry And Paving LLC | 3557669 | 4 | 4 | Intrastate |
| Bethlehem Quality Landscaping LLC | 4403582 | 4 | 4 | Intrastate |
| Spino's Paving And Seal Coating LLC | 9334860 | 4 | 4 | Intrastate |
| Marini Paving LLC | 658826 | 3 | 1 | Intrastate |
| Connecticut Winpump CO | 691232 | 3 | 3 | Interstate |
| Strileckis Oil CO LLC | 1051906 | 3 | 3 | IntrastateHazmat |
| Black & Boucher LLC | 1348239 | 3 | 10 | Interstate |
| Jack's Masoniy Contractors | 1383947 | 3 | 2 | Intrastate |
| All Seasons Tree Removal | 2089745 | 3 | 2 | Intrastate |
| Team Sewer & Water LLC | 2126583 | 3 | 3 | Intrastate |
| Alplex Autobody And Towing | 2142237 | 3 | 3 | IntrastateHazmat |
| Omni Energy LLC | 2558419 | 3 | 3 | IntrastateHazmat |
| Celo Peak Ventures LLC | 4218576 | 3 | 1 | Interstate |
| J & D Oil CO LLC | 779769 | 2 | 1 | IntrastateHazmat |
| Tom's Landscaping & Tree Service LLC | 1131320 | 2 | 1 | Intrastate |
| I T Energy LLC | 1437347 | 2 | 2 | IntrastateHazmat |
| Union Flooring Installations | 1920607 | 2 | 2 | Interstate |
| Garassino Excavating Company Incorporated | 2120367 | 2 | 1 | Intrastate |
| Watertown Auto Body LLC | 2261908 | 2 | 1 | Intrastate |
| Strollo Bros Construction LLC | 2310297 | 2 | 2 | Intrastate |
| Oil Guy LLC | 2927364 | 2 | 1 | IntrastateHazmat |
| Overhead Door Company Of Waterbury | 3031314 | 2 | 2 | Intrastate |
| Eagle Masonry & Paving LLC | 3267906 | 2 | 2 | Intrastate |
| Personal Use Brandon Strollo | 3279512 | 2 | 1 | Intrastate |
| Dennis Masonry LLC | 3530812 | 2 | 1 | Intrastate |
| Guerrera Machine Company LLC | 3697538 | 2 | 2 | Interstate |
| Yordon Landscaping Services | 4301075 | 2 | 1 | Intrastate |
| Ad Masonry LLC | 4405491 | 2 | 1 | Intrastate |
| Alpha Concrete Construction CO | 668774 | 1 | 3 | Intrastate |
| The Siemon Company | 669983 | 1 | 3 | Intrastate |
| Truelove & Maclean INC | 684608 | 1 | 2 | Intrastate |
| Watertown Plastics INC | 755188 | 1 | 1 | Intrastate |
| D A B Resources | 811914 | 1 | 1 | Intrastate |
| Oakville Home Improvement CO | 852945 | 1 | 1 | Intrastate |
| Eyelematic Mfg CO INC | 922004 | 1 | 1 | Intrastate |
| Christie's Landscaping LLC | 1022950 | 1 | 1 | Intrastate |
| Brett Zuraitis | 1085697 | 1 | 1 | Intrastate |
| Nucap US INC | 1087641 | 1 | 1 | Intrastate |
| Motor Transport Services LLC | 1155153 | 1 | 1 | Interstate |
| Classic Oil Of Watertown INC | 1158562 | 1 | 2 | Intrastate |
| Shelterlogic Corp | 1425259 | 1 | 1 | Intrastate |
| Pioneer Lawncare | 1624108 | 1 | 1 | Intrastate |
| Achen Asphalt LLC | 1956410 | 1 | 1 | Intrastate |
| The Olive Oil Factory | 2018362 | 1 | 1 | Intrastate |
| Farm | 2074974 | 1 | 2 | Intrastate |
| Michael Carley | 2099504 | 1 | 1 | Intrastate |
| Jc Construction LLC | 2103078 | 1 | 1 | Intrastate |
| Vincent A Lupachino Jr | 2178612 | 1 | 1 | Intrastate |
| Myke & Dennis' Landscaping LLC | 2205706 | 1 | 1 | Intrastate |
| Country Landscape Construction | 2282604 | 1 | 1 | Intrastate |
| Steve's Precision Masonry LLC | 2387966 | 1 | 1 | Intrastate |
| Clocktown Energy LLC | 2551133 | 1 | 1 | IntrastateHazmat |
| Universal Body And Equipment CO LLC | 2574378 | 1 | 2 | Intrastate |
| North American Excavation LLC | 2884619 | 1 | 1 | Intrastate |
| B & M Landscaping Srv LLC | 2955674 | 1 | 1 | Intrastate |
| Connecticut Backhoe Services LLC | 2984089 | 1 | 3 | Intrastate |
| Fn Masonry LLC | 3070339 | 1 | 1 | Intrastate |
| Paramount Construction Services LLC | 3087623 | 1 | 4 | Intrastate |
| Total Site Development LLC | 3147629 | 1 | 1 | Intrastate |
| Berco Tank LLC | 3150077 | 1 | 1 | Interstate |
| Eagle Medical Transport LLC | 3224509 | 1 | 0 | Intrastate |
| Eri's Masonry | 3262397 | 1 | 2 | Intrastate |
| Hayes Ranch LLC | 3306121 | 1 | 2 | Intrastate |
| Julian Pool Decks LLC | 3499065 | 1 | 1 | Intrastate |
| Express Stonewalls Masonry | 3527605 | 1 | 2 | Intrastate |
| Hayes Heavy Hauling LLC | 3546687 | 1 | 1 | InterstateHazmat |
| A Tree Guy Tree Removal & Landscaping LLC | 3558334 | 1 | 2 | Intrastate |
| Terry Charkowsky | 3559984 | 1 | 2 | Intrastate |
| Express Masonry Paving LLC | 3588831 | 1 | 1 | Intrastate |
| Lupo Electric LLC | 3637644 | 1 | 1 | Intrastate |
| Steve's Wheels And Deals | 3642861 | 1 | 1 | Intrastate |
| Silgan Aluminum Solutions | 3647310 | 1 | 1 | Intrastate |
| Divine Masonry & Concrete LLC | 3738299 | 1 | 4 | Intrastate |
| Capuano & Giglio Construction LLC | 3803396 | 1 | 1 | Intrastate |
| Stone Step Transport LLC | 3871868 | 1 | 1 | Interstate |
| Kuslis Farm LLC | 3921368 | 1 | 2 | Intrastate |
| Elma Transport LLC | 3982689 | 1 | 1 | Intrastate |
| Contis Plumbing LLC | 3993238 | 1 | 1 | Intrastate |
| Oak Luxury Service | 4046106 | 1 | 2 | Interstate |
| Northwoods Dumpster Rental LLC | 4141771 | 1 | 1 | Intrastate |
| Moonlight Excavating Services LLC | 4173412 | 1 | 1 | Intrastate |
| Captain Concrete LLC | 4310126 | 1 | 2 | Intrastate |
| Airwise Mechanical LLC | 4311179 | 1 | 1 | IntrastateHazmat |
| Rw Service LLC | 4327837 | 1 | 1 | Interstate |