| CO Energy | 472546 | 133 | 100 | InterstateHazmat |
| Pasco School District 1 | 2355729 | 124 | 133 | Intrastate |
| Greenridge Farming INC | 1909001 | 109 | 57 | Intrastate |
| National Frozen Foods Corporation | 28107 | 66 | 63 | InterstateHazmat |
| Zenaido Martinez Jr Trucking LLC | 506552 | 53 | 27 | Interstate |
| Basin Disposal INC | 532585 | 50 | 54 | Interstate |
| Das Holdings LLC | 3057937 | 48 | 44 | Intrastate |
| Big D's Construction Of Tri-Cities | 1854323 | 47 | 29 | InterstateHazmat |
| Gnw Brokerage | 235871 | 43 | 35 | InterstateHazmat |
| Harms Pacific Transport INC | 8259 | 39 | 29 | InterstateHazmat |
| Premier Excavation INC | 1909912 | 39 | 20 | InterstateHazmat |
| D C Trucking | 575897 | 34 | 34 | Interstate |
| Peak Power LLC | 7115742 | 33 | 10 | Intrastate |
| Bagley Landscape Construction INC | 2261949 | 30 | 32 | Interstate |
| Triple E Farms LLC | 3709008 | 30 | 21 | Interstate |
| Huesitos Company II LLC | 2312324 | 28 | 27 | Intrastate |
| Rivera And Son's Trucking | 2787923 | 28 | 20 | Intrastate |
| Calaway Company INC | 2319091 | 27 | 7 | Intrastate |
| Alford Custom Ag LLC | 4129663 | 27 | 10 | Intrastate |
| Erickson Farms | 1935253 | 26 | 6 | Intrastate |
| Rd1 Trucking LLC | 1362679 | 24 | 24 | Interstate |
| Carr Farms LLC | 843693 | 23 | 8 | Intrastate |
| Two Rivers Terminal LLC | 1214446 | 22 | 11 | InterstateHazmat |
| Ray's Twilight Septic Service | 986251 | 21 | 21 | Interstate |
| Crf Metal Works LLC | 1902036 | 20 | 10 | InterstateHazmat |
| Teton West Of Washington LLC | 2643696 | 20 | 20 | Interstate |
| Prieto Landscaping LLC | 3240478 | 20 | 26 | InterstateHazmat |
| Northwest Coating & Paint | 4560735 | 20 | 25 | Interstate |
| Superior Tree Service LLC | 1930483 | 19 | 19 | Intrastate |
| Inland Environmental Resources INC | 1592696 | 18 | 16 | Interstate |
| Matheson Painting Contractors | 2056910 | 18 | 25 | Interstate |
| Five D Farms | 1902606 | 17 | 10 | Intrastate |
| Elite Construction & Development LLC | 2628003 | 17 | 15 | Intrastate |
| Northwest Coating&paint | 4562359 | 16 | 6 | Interstate |
| Pelican Fueling INC | 1929306 | 15 | 9 | InterstateHazmat |
| Thornworks LLC | 3083656 | 15 | 20 | Intrastate |
| Columbia Property Maintenance | 3193698 | 15 | 2 | Interstate |
| Pasco Machine Company INC | 3294079 | 15 | 14 | Interstate |
| Lionscastle Transport INC | 602440 | 14 | 7 | Interstate |
| Zenaido Martinez Sr Trucking | 610257 | 14 | 9 | Interstate |
| Culbert Construction INC | 1446936 | 14 | 20 | InterstateHazmat |
| Joel Martinez Trucking | 1532324 | 14 | 13 | Interstate |
| Goodwill Industries Of The Columbia INC | 1732586 | 14 | 6 | Interstate |
| Roundy Farms INC | 1890108 | 14 | 7 | Intrastate |
| Generation Plastering LLC | 2979781 | 14 | 32 | Interstate |
| Rendon Landscapes & Janitorial | 3836894 | 14 | 1 | Intrastate |
| Cochrane Sons | 1723590 | 13 | 6 | Intrastate |
| T Enterprises INC Truck Driving School | 1908890 | 13 | 9 | Interstate |
| R & R Ag INC | 2164581 | 13 | 13 | Interstate |
| Gonzalez Transports LLC | 563066 | 12 | 11 | Interstate |
| Mr Rooter Plumbing INC | 945702 | 12 | 12 | Interstate |
| Balcom And Moe INC | 1918424 | 12 | 5 | Intrastate |
| Ace Sales And Service INC | 1935286 | 12 | 8 | Intrastate |
| National Connections LLC | 3805773 | 12 | 11 | Interstate |
| Dwight Leavitt Trucking | 362949 | 11 | 6 | Interstate |
| Sageland Farms INC | 1971639 | 11 | 6 | Intrastate |
| West Line Transport LLC | 2588788 | 11 | 11 | Interstate |
| Blueroom | 2876546 | 11 | 5 | Intrastate |
| Jsm Transport LLC | 3390477 | 11 | 11 | Interstate |
| Frontier Fence INC | 141331 | 10 | 13 | Interstate |
| Alford Farms INC | 450256 | 10 | 10 | Intrastate |
| Eds Disposal INC | 532594 | 10 | 10 | Intrastate |
| Blair Trucking LLC | 976535 | 10 | 9 | InterstateHazmat |
| West Coast Express LLC | 1344740 | 10 | 10 | Interstate |
| Tri City Delivery LLC | 1824576 | 10 | 10 | Interstate |
| Ruby Ridge Dairy LLC | 1895763 | 10 | 12 | Intrastate |
| Teamsters Agc Training Center | 1900882 | 10 | 3 | Intrastate |
| Delgado Farm Services LLC | 2584146 | 10 | 1 | Intrastate |
| Campbell And Company | 3418147 | 10 | 30 | Intrastate |
| Vas Transport LLC | 3564032 | 10 | 12 | Interstate |
| Freight Transport LLC | 3781994 | 10 | 10 | Interstate |
| Delgado Farm Services LLC | 6958124 | 10 | 2 | Intrastate |
| Rns Farms Inc. | 8014410 | 10 | 4 | Intrastate |
| R & R Trucking INC | 1322495 | 9 | 12 | Interstate |
| L G Blair Farms INC | 1786669 | 9 | 2 | Intrastate |
| Olsen Ag INC | 1834252 | 9 | 2 | Intrastate |
| Columbia River Concrete LLC | 1926381 | 9 | 9 | Intrastate |
| J & E Meza Plastering INC | 1940063 | 9 | 7 | Interstate |
| Calaway Consolidated Transport INC | 366490 | 8 | 6 | Interstate |
| Jim's Pacific Garages INC | 535900 | 8 | 4 | IntrastateHazmat |
| Layne Of Washington INC | 544835 | 8 | 4 | Interstate |
| Casaday Bee-Line Towing | 843435 | 8 | 8 | Interstate |
| Capitol Concrete Pumping INC | 1707325 | 8 | 7 | Interstate |
| Liquid Ag Solutions LLC | 1900453 | 8 | 3 | Intrastate |
| Mighty Johns Portable Toilet & Septic Service INC | 1998702 | 8 | 6 | Intrastate |
| Columbia Basin Sheet Metal LLC | 3144811 | 8 | 1 | Intrastate |
| Nw Underground Utilities INC | 3166398 | 8 | 1 | Interstate |
| Venco Delivery LLC | 4221676 | 8 | 8 | Interstate |
| Kane Transportation LLC | 4345860 | 8 | 8 | Interstate |
| Paramount Trucking | 976797 | 7 | 7 | Intrastate |
| Rhoads Asphalt Paving & Construction | 1935122 | 7 | 7 | Intrastate |
| Bosman Enterprises INC | 1994564 | 7 | 4 | Intrastate |
| Zeigler Construction CO | 1998169 | 7 | 3 | Intrastate |
| K Brothers Pollination And Honey LLC | 2264286 | 7 | 8 | Interstate |
| Allied Potato Northwest INC | 2341252 | 7 | 7 | Interstate |
| Julian's Landscaping & Maintenance LLC | 2398232 | 7 | 7 | Intrastate |
| Riverview Baptist Church | 2448016 | 7 | 25 | Intrastate |
| Verdesian Life Sciences US LLC | 2454424 | 7 | 6 | IntrastateHazmat |
| Proud Transportation LLC | 2525178 | 7 | 9 | Interstate |
| 3 J Trucking LLC | 3322429 | 7 | 3 | Intrastate |