| Washington Trucking INC | 80580 | 70 | 52 | Interstate |
| Smokey Point Concrete & Skagit Readymix | 2436780 | 64 | 58 | Intrastate |
| Oso Lumber INC | 1850032 | 55 | 20 | Intrastate |
| R Transport INC | 1468144 | 50 | 22 | InterstateHazmat |
| Smokey Point Concrete & Skagit Readymix | 1823638 | 45 | 35 | Intrastate |
| Cement Distributors INC | 193147 | 35 | 25 | Interstate |
| Trenchless Construction Services LLC | 1878436 | 31 | 23 | InterstateHazmat |
| Crown Distributing LLC | 1829843 | 27 | 21 | Intrastate |
| Washington Compost LLC | 1807608 | 26 | 30 | Interstate |
| Currie Construction INC | 1833204 | 25 | 22 | Intrastate |
| Springbrook Nursery & Trucking INC | 1844981 | 25 | 24 | IntrastateHazmat |
| Cuz Concrete Products INC | 818094 | 20 | 9 | Intrastate |
| Superior Insulation Products, LLC | 2838085 | 20 | 20 | Intrastate |
| Pacific Partners Insulation North A Bdi Company LLC | 2786653 | 19 | 14 | Intrastate |
| E & D Excavating INC | 1871715 | 17 | 8 | Intrastate |
| Buck Thoms Trucking INC | 629129 | 16 | 16 | Interstate |
| Reece Trucking And Excavating INC | 1800208 | 16 | 41 | Intrastate |
| Iversen Distributing | 2318524 | 13 | 9 | Intrastate |
| We Do Dirt LLC | 3005279 | 13 | 6 | IntrastateHazmat |
| Ace Acme Septic Tank Service INC | 1953450 | 12 | 4 | Intrastate |
| Earthwork Solutions LLC | 3080594 | 12 | 5 | Intrastate |
| Andrew's Hay LLC | 2080541 | 11 | 5 | Intrastate |
| John H Kooy Trucking INC | 38466 | 10 | 10 | Interstate |
| Bayshore Concrete LLC | 1953846 | 9 | 5 | Intrastate |
| Kooy Trucking LLC | 4507760 | 9 | 10 | Interstate |
| Brian Van Laar Trucking INC | 530782 | 8 | 5 | Intrastate |
| Architectural Cabinets INC | 945172 | 8 | 6 | Interstate |
| DBA White Eagle General Contractor | 2192290 | 8 | 4 | Intrastate |
| Western Nursery Sales INC | 686451 | 7 | 6 | Intrastate |
| Mackenzie Trucking INC | 981569 | 7 | 6 | Intrastate |
| Pelanconi Logging | 1923118 | 6 | 1 | Intrastate |
| A-Plus Water Services INC | 2422688 | 6 | 7 | Intrastate |
| Nw Home Renovator LLC | 3185050 | 6 | 2 | Intrastate |
| Poeschel & Schultz INC | 347346 | 5 | 3 | Intrastate |
| East Valley Sand And Gravel Company INC | 1914955 | 5 | 2 | Intrastate |
| Lxconstruction LLC | 2210698 | 5 | 4 | Intrastate |
| C And C Towing LLC | 2295809 | 5 | 5 | Intrastate |
| Superior Sprinkler Systems And Landscaping INC | 2334848 | 5 | 4 | Intrastate |
| Damage Free Auto Transport | 2795803 | 5 | 2 | IntrastateHazmat |
| Steelhead Trucking LLC | 2893938 | 5 | 5 | Intrastate |
| A&r Insulation LLC | 3090370 | 5 | 6 | Intrastate |
| S & S Roofing LLC | 3164457 | 5 | 3 | Intrastate |
| Pavement Markings INC | 3742878 | 5 | 5 | Intrastate |
| Olympic Equipment LLC | 5752537 | 5 | 4 | Intrastate |
| Seattle Galvanizing Company INC | 510130 | 4 | 4 | Intrastate |
| Worldwind Helicopters INC | 609455 | 4 | 5 | InterstateHazmat |
| J L Brooks Welding INC | 1528057 | 4 | 6 | Intrastate |
| Tillman Dairy INC | 2015982 | 4 | 2 | Intrastate |
| Lovins Landscape INC | 2048093 | 4 | 2 | Intrastate |
| Lovejoy Nursery LLC | 2282494 | 4 | 5 | Intrastate |
| Green Farms Incorporated | 2399071 | 4 | 3 | Intrastate |
| Timeless Designs INC | 2437834 | 4 | 6 | Intrastate |
| Bob Lovins Landscape INC | 2597493 | 4 | 2 | Intrastate |
| Alliance Partition Systems | 2929422 | 4 | 4 | Intrastate |
| Rainy Day Basement Systems INC | 2984866 | 4 | 4 | Intrastate |
| Wsb Excavation & Utilities | 3092316 | 4 | 1 | Intrastate |
| Affordable Auto Transport INC | 3194928 | 4 | 4 | InterstateHazmat |
| Cut All Concrete Sawing & Drilling INC | 3267715 | 4 | 3 | Intrastate |
| Craig's Asphaltronin Construction | 3512159 | 4 | 7 | Intrastate |
| Rrc Transport | 3567861 | 4 | 2 | Intrastate |
| Septic Solutions LLC | 4391206 | 4 | 4 | Intrastate |
| Rainier Steel Erectors LLC | 4920983 | 4 | 4 | Interstate |
| 4t4 Trucking INC | 1879407 | 3 | 4 | Intrastate |
| Kgm Construction INC | 1886364 | 3 | 3 | Intrastate |
| Cts Excavating INC | 1899460 | 3 | 2 | Intrastate |
| T D Alskog CO | 1899822 | 3 | 2 | Intrastate |
| The Erection Company INC | 1901439 | 3 | 2 | Intrastate |
| Fidalgo Paving & Construction LLC | 1903866 | 3 | 2 | Interstate |
| Scarsella Hay And Grain | 1916576 | 3 | 1 | Intrastate |
| Custom Interiors | 1941867 | 3 | 2 | Intrastate |
| Larry B Lurvey | 2157459 | 3 | 1 | Intrastate |
| North County Towing | 2205510 | 3 | 3 | Intrastate |
| Kellis Place | 2253137 | 3 | 3 | Interstate |
| Backstrom Curb & Sidewalk INC | 2321178 | 3 | 1 | Intrastate |
| Klein Septic Service | 2331691 | 3 | 3 | Intrastate |
| Dantrawl INC | 2355573 | 3 | 6 | Intrastate |
| Cascade Door And Hardware | 2371322 | 3 | 11 | Intrastate |
| Robert D Vos | 2412445 | 3 | 1 | Intrastate |
| North West Arbor Care | 2590756 | 3 | 3 | Intrastate |
| Coast Construction Group | 2792548 | 3 | 3 | Intrastate |
| Evolution Tree Experts LLC | 2820646 | 3 | 2 | Intrastate |
| Ramo Development LLC | 2908137 | 3 | 2 | Intrastate |
| Stillaguamish Senior Center | 2967724 | 3 | 2 | Intrastate |
| All Seasons Earthworks LLC | 2989174 | 3 | 2 | Intrastate |
| Light Manufacturing | 3106866 | 3 | 3 | Intrastate |
| Suraj Enterprises LLC | 3118781 | 3 | 4 | Interstate |
| D2 Foundations LLC | 3220059 | 3 | 3 | Intrastate |
| Abr Trucking LLC | 3237188 | 3 | 3 | InterstateHazmat |
| Del Sol Landscaping | 3291206 | 3 | 2 | Intrastate |
| Wazzuor Raw | 3437716 | 3 | 2 | Interstate |
| Acadia Craft LLC | 3975551 | 3 | 1 | Interstate |
| Advanced Classroom Technologies | 4062865 | 3 | 3 | Interstate |
| Moeco LLC | 4105042 | 3 | 3 | Intrastate |
| Blacktop Asphalt LLC | 4224328 | 3 | 3 | Intrastate |
| Michael H Wold Company INC | 523580 | 2 | 1 | Interstate |
| Blue Stilly Trucking | 590441 | 2 | 1 | Intrastate |
| Scott Willis Trucking | 633910 | 2 | 1 | Intrastate |
| B & B Fabricators INC | 844103 | 2 | 2 | Intrastate |
| Ramo Construction | 1066006 | 2 | 3 | Intrastate |
| Everett Trkg | 1256758 | 2 | 2 | Interstate |