| Highway Specialty Company INC | 2718633 | 150 | 150 | Intrastate |
| Shasta Ready Mix Southern Oregon Ready Mix | 169663 | 81 | 35 | InterstateHazmat |
| T And S Dvbe INC | 2643704 | 70 | 134 | Interstate |
| Rlt INC | 134171 | 66 | 55 | Interstate |
| Shasta County Dpw Roads | 2807539 | 65 | 55 | IntrastateHazmat |
| City Of Redding | 2807396 | 61 | 160 | Intrastate |
| Maximus Tree Works LLC | 3425906 | 53 | 23 | Intrastate |
| Shasta Union High School District | 2810219 | 52 | 27 | Interstate |
| Cox & Cox Construction INC | 2850735 | 39 | 77 | Interstate |
| Paramount Lender Solutions | 3915171 | 35 | 35 | IntrastateHazmat |
| Self-Help Home Improvement Project | 2721005 | 34 | 17 | Intrastate |
| Shasta County Schools | 2808714 | 34 | 24 | Interstate |
| Cross Petroleum | 568731 | 27 | 27 | IntrastateHazmat |
| Independent Structures INC | 2099758 | 26 | 15 | Intrastate |
| Gateway Unified School District | 2675040 | 26 | 20 | Intrastate |
| Shasta College | 2733239 | 26 | 24 | Interstate |
| Bullert Industrial Electric INC | 2712997 | 24 | 76 | Intrastate |
| Big Valley Services, INC | 6409564 | 24 | 18 | Interstate |
| Muse Trucking INC | 511078 | 20 | 21 | InterstateHazmat |
| Big Valley Sanitation INC | 2536461 | 20 | 6 | Interstate |
| Whiterock Company | 1443029 | 19 | 15 | Interstate |
| Redding Distributing Company | 2742172 | 19 | 21 | Intrastate |
| Keith's Towing INC | 1797615 | 18 | 16 | IntrastateHazmat |
| Dignity Health Connected Living | 3009743 | 18 | 15 | Intrastate |
| J & S Transportation | 451701 | 17 | 13 | Interstate |
| Gerlinger Steel & Supply Company | 723297 | 17 | 12 | Interstate |
| Frozen Gourmet INC | 748367 | 16 | 15 | Intrastate |
| Perrin Construction INC | 2664970 | 16 | 14 | Intrastate |
| DBA Loucks Landscape Supply DBA Loucks Grading And Water Truck | 3379000 | 16 | 8 | Intrastate |
| Steelhead Constructors INC | 1273438 | 15 | 10 | Interstate |
| S T Rhoades Construction INC | 2625376 | 15 | 6 | Interstate |
| Snl Group INC | 2636485 | 15 | 33 | Intrastate |
| Wagner Electric | 2664013 | 15 | 17 | Interstate |
| Dars Cox Construction | 3917457 | 15 | 15 | Intrastate |
| Robert J Frank Construction INC | 2530699 | 13 | 3 | Intrastate |
| Gina M Henning | 2704593 | 13 | 13 | Intrastate |
| Blach Beverage LLC | 3079619 | 13 | 10 | Intrastate |
| Servpro Of South Shasta County | 4452143 | 13 | 13 | Intrastate |
| Converse Construction INC | 2683966 | 12 | 12 | Intrastate |
| D & K Transportation And Delivery | 2944388 | 12 | 12 | Intrastate |
| 1-5 Rentals | 2998138 | 12 | 12 | Interstate |
| California Towing & Transport INC | 2508854 | 11 | 4 | InterstateHazmat |
| Platinum Construction | 2719927 | 11 | 9 | Intrastate |
| The Mcconnell Foundation | 2765171 | 11 | 29 | Intrastate |
| Smart Alternative Fuels INC | 2494278 | 10 | 4 | Interstate |
| Tig Tech INC | 2604479 | 10 | 8 | Intrastate |
| Enterprise Elementary School District | 2810082 | 10 | 7 | Intrastate |
| Dennis' Heating & Air Conditioning INC | 3442077 | 10 | 24 | Intrastate |
| Brown Plumbing | 906668 | 9 | 4 | Intrastate |
| Hutchins INC | 1119257 | 9 | 4 | Intrastate |
| Eagle Paving And Grading | 2647929 | 9 | 6 | Intrastate |
| Knowles | 2947375 | 9 | 9 | Intrastate |
| Tri State Communications INC | 3748758 | 9 | 3 | Interstate |
| Simpson University | 1880238 | 8 | 4 | Interstate |
| Axner Excavating INC | 1994434 | 8 | 10 | IntrastateHazmat |
| Stewart Engineering INC | 2614539 | 8 | 4 | Intrastate |
| Warner Enterprises INC | 2647965 | 8 | 6 | Intrastate |
| Site Work Solutions | 2693731 | 8 | 9 | Intrastate |
| Redding Tree Service INC | 2747936 | 8 | 2 | Intrastate |
| Twin View Towing | 2751290 | 8 | 4 | Intrastate |
| Jiffy's Truck Rental | 2885892 | 8 | 9 | Intrastate |
| Redding Air Service INC | 897124 | 7 | 8 | InterstateHazmat |
| Pacheco Union School District | 2652541 | 7 | 4 | Intrastate |
| Columbia School | 2656506 | 7 | 6 | Intrastate |
| Emergency Command Support INC | 2719846 | 7 | 6 | Interstate |
| Carmona's Appliance Center | 2773706 | 7 | 9 | Intrastate |
| Redding Rocks & Ready Mix INC | 2848997 | 7 | 5 | Intrastate |
| Ras Contractors INC | 3000211 | 7 | 7 | Intrastate |
| Gard Heating & Air INC | 3753173 | 7 | 7 | Intrastate |
| Allianz Heating And Air INC | 4027670 | 7 | 20 | Intrastate |
| W Jaxon Baker INC | 606905 | 6 | 8 | IntrastateHazmat |
| Eric Helms Trucking | 752256 | 6 | 6 | Interstate |
| Buckshot Trucking INC | 1188275 | 6 | 4 | Interstate |
| Welch Enterprises INC | 1827304 | 6 | 5 | Intrastate |
| Redding Concrete | 2625294 | 6 | 7 | Intrastate |
| First Class Shuttle INC | 2704415 | 6 | 8 | Intrastate |
| Forest Design Landscaping INC | 2963228 | 6 | 6 | Intrastate |
| Mikala Corp | 3070928 | 6 | 3 | IntrastateHazmat |
| Stephens Electrical INC | 3370734 | 6 | 20 | Intrastate |
| Aqueous Vets | 3705866 | 6 | 6 | Intrastate |
| Mgmt Trucking LLC | 3771074 | 6 | 6 | Interstate |
| Flores Lath And Plaster LLC | 9818143 | 6 | 4 | Intrastate |
| Don D Davis Towing Kennie C Knowles Trucking | 260536 | 5 | 3 | Intrastate |
| Shasta County Towing | 919620 | 5 | 3 | InterstateHazmat |
| American Propeller Service | 1648502 | 5 | 4 | Interstate |
| Lassen Canyon Nursery INC | 2036886 | 5 | 7 | Interstate |
| Redding Crane Service | 2482166 | 5 | 2 | Intrastate |
| Loucks Road Construction | 2624710 | 5 | 3 | Intrastate |
| Mchale Sign CO INC | 2659668 | 5 | 6 | Intrastate |
| Evans Right Of Way Clearing INC | 2683436 | 5 | 7 | Interstate |
| Air O Service | 2684036 | 5 | 2 | Intrastate |
| Metals Direct INC | 2696881 | 5 | 1 | Intrastate |
| North State Ice Company INC | 2745489 | 5 | 6 | Intrastate |
| Emergency Water Supply INC | 3006508 | 5 | 2 | Intrastate |
| Cronic Disaster Restoration And Construction | 3299311 | 5 | 5 | Intrastate |
| Gibson Heating & Air Conditioning | 3504401 | 5 | 5 | Intrastate |
| R&h Trucking | 3818290 | 5 | 5 | Interstate |
| Ten Eight Transport LLC | 3831097 | 5 | 5 | Interstate |
| Ecs Helibase INC | 4036452 | 5 | 2 | Interstate |
| Air-O Service | 7350538 | 5 | 5 | Intrastate |