| Redwood Transit System | 659212 | 61 | 53 | Intrastate |
| Wahlund Construction INC | 2614605 | 54 | 46 | IntrastateHazmat |
| Humboldt County Public Works | 2807546 | 52 | 70 | Intrastate |
| City Of Eureka | 4183234 | 50 | 77 | Intrastate |
| Recology Humboldt County | 2735520 | 40 | 27 | Intrastate |
| E G Ayers Distributing INC | 911250 | 25 | 17 | Interstate |
| Bio Waste Resources LLC | 2608797 | 20 | 7 | Interstate |
| Zabel Enterprise LLC | 3039217 | 20 | 13 | Intrastate |
| Figas Construction | 2105524 | 19 | 6 | InterstateHazmat |
| Eureka City Schools | 2621406 | 17 | 12 | Intrastate |
| Humboldt Senior Citizen Council | 2740813 | 16 | 20 | Intrastate |
| Eureka Oxygen Company | 507466 | 15 | 19 | InterstateHazmat |
| After Surf Deliveries | 2744277 | 15 | 10 | Intrastate |
| North Coast Mercantile CO | 2740763 | 12 | 10 | Intrastate |
| Humboldt County Office Of Education | 2808764 | 10 | 9 | Intrastate |
| Pacific Towing | 3408892 | 10 | 10 | IntrastateHazmat |
| Schmidbauer Building Supply LLC | 1719004 | 9 | 7 | Intrastate |
| Humboldt Beer Distributing | 2667871 | 9 | 9 | Intrastate |
| Delreka Distributing | 2668023 | 9 | 10 | Intrastate |
| Mendes Supply CO | 2147664 | 8 | 32 | InterstateHazmat |
| Frank Zabel Trucking | 2291467 | 8 | 4 | Intrastate |
| Humboldt Community Access & Resource Center | 2740151 | 8 | 9 | Intrastate |
| Your Local Mow Man | 4005863 | 8 | 16 | Intrastate |
| Powell Concrete Pumping | 1307934 | 7 | 3 | Interstate |
| Arts Roofing LLC | 5301564 | 7 | 11 | Intrastate |
| Varsity Ice Cream INC | 464456 | 6 | 9 | Intrastate |
| Humboldt Dial A Ride | 2650577 | 6 | 23 | Intrastate |
| Freshwater School District | 2656315 | 6 | 3 | Intrastate |
| Omni Security Transportation Services LLC | 2954990 | 6 | 4 | Interstate |
| Shafers Ace Hardware | 2615868 | 5 | 15 | Intrastate |
| The Food Bank For Humboldt County | 2745363 | 5 | 5 | Intrastate |
| Powell Landscape Material | 2764707 | 5 | 4 | Intrastate |
| Jones Family Tree Service LLC | 4410912 | 5 | 1 | Intrastate |
| Northern California Community Blood Bank | 3100030 | 4 | 8 | Intrastate |
| Trusty Transportation And Distribution | 3463074 | 4 | 3 | Intrastate |
| Trusty Transportation And Distribution | 3631633 | 4 | 8 | Intrastate |
| Jf Loads Trucking LLC | 4360249 | 4 | 4 | Interstate |
| Hensell Materials INC | 189162 | 3 | 3 | Intrastate |
| Don's Rent-All INC | 1775199 | 3 | 3 | Intrastate |
| Humboldt Auto Transport | 2003148 | 3 | 4 | Interstate |
| Eureka Transit System | 2604766 | 3 | 50 | Intrastate |
| Redwood Meat CO INC | 2604907 | 3 | 3 | Intrastate |
| Nilsen CO | 2616397 | 3 | 2 | Intrastate |
| R A O Construction CO INC | 2621288 | 3 | 3 | Intrastate |
| Cutten School District | 2646248 | 3 | 3 | Intrastate |
| Arcata Do It Best Lumber | 2662878 | 3 | 3 | Intrastate |
| J Z Contracting | 2690537 | 3 | 4 | Intrastate |
| Spencer Electric INC | 2708410 | 3 | 2 | Intrastate |
| The Party Place | 2722188 | 3 | 3 | Intrastate |
| Hemmingsen Pavement Solutions | 2765496 | 3 | 3 | Intrastate |
| Humboldt Bay Municipal Water Dist | 2808421 | 3 | 4 | Intrastate |
| Big Steve's Trucking | 3000289 | 3 | 2 | Intrastate |
| John Weburg Mobile Mechanic | 3237941 | 3 | 2 | Intrastate |
| Kh Mckenny INC | 3437072 | 3 | 3 | Intrastate |
| Tomaso's Distributing INC | 3576942 | 3 | 5 | Intrastate |
| Doc's Mobile Service | 3958222 | 3 | 2 | Intrastate |
| Coastal Towing And Recovery LLC | 7454710 | 3 | 3 | IntrastateHazmat |
| Hilfiker Retaining Walls | 80216 | 2 | 3 | Interstate |
| Mcmurray & Sons INC | 444429 | 2 | 10 | Intrastate |
| Pierson Building Center | 2611810 | 2 | 9 | Intrastate |
| South Bay Union Elementary School District | 2649683 | 2 | 2 | Intrastate |
| Docs Mobile Service | 2660645 | 2 | 1 | Intrastate |
| Delta Mattress & Sofa Outlet | 2665525 | 2 | 8 | Intrastate |
| College Of The Redwoods | 2672479 | 2 | 15 | Intrastate |
| Living Styles Fine Furniture Galleries LLC | 2673497 | 2 | 6 | Intrastate |
| Hill Construction Engineering And Electrical INC | 2709385 | 2 | 1 | Intrastate |
| Dc Insulation | 2722112 | 2 | 2 | Intrastate |
| Humboldt Waste Management Authority | 2809854 | 2 | 4 | Intrastate |
| Randall And Melinda Cox | 2930349 | 2 | 4 | Interstate |
| City Cab | 3034841 | 2 | 1 | Intrastate |
| Silverline Tree Service LLC | 3119887 | 2 | 2 | Intrastate |
| Liv Emerald Distribution | 3205503 | 2 | 2 | Intrastate |
| Papa And Barkley | 3353077 | 2 | 6 | Intrastate |
| Grounds Trucking | 3703494 | 2 | 1 | Intrastate |
| Triad Contracting And Engineering | 3742209 | 2 | 3 | Intrastate |
| Bhullar Transit INC | 3743923 | 2 | 2 | Interstate |
| Shepherd Trucking | 3766645 | 2 | 2 | Interstate |
| Handle It Junk Removal | 4036819 | 2 | 2 | Intrastate |
| Powell Ranch LLC | 4361335 | 2 | 2 | Intrastate |
| Big Steve's Auto Transport | 4449475 | 2 | 1 | IntrastateHazmat |
| Dlbl Enterprises | 4461867 | 2 | 4 | Intrastate |
| Small Business Agricultural Consulting | 4519649 | 2 | 4 | Intrastate |
| Craig's Construction | 7653028 | 2 | 4 | Intrastate |
| Oc Testing CO | 172398 | 1 | 1 | Intrastate |
| J & J Services | 681410 | 1 | 1 | Intrastate |
| Jeff Johnson Trucking | 786474 | 1 | 1 | Intrastate |
| Scott Taylor Transport | 2376477 | 1 | 1 | Intrastate |
| Ken Bareilles Trucking | 2494197 | 1 | 1 | Intrastate |
| Jeremiah Freedom Jouron | 2513727 | 1 | 1 | Intrastate |
| Rendezvous Music & Vending | 2587607 | 1 | 4 | Interstate |
| Mctague Enterprises | 2600293 | 1 | 2 | Intrastate |
| Kramer Properties INC | 2600579 | 1 | 1 | Intrastate |
| Pierson Company | 2603330 | 1 | 1 | Intrastate |
| Richard Dryden INC | 2606286 | 1 | 1 | Intrastate |
| Wayne Maples Plumbing & Heating INC | 2616243 | 1 | 2 | Intrastate |
| Jim Hollis | 2644367 | 1 | 1 | Intrastate |
| Ed Barff Trucking | 2644734 | 1 | 1 | Intrastate |
| Resale New & Used Country Store | 2646980 | 1 | 2 | Intrastate |
| Ron Miller Trucking | 2647065 | 1 | 1 | Intrastate |
| A Better Choice Limousine | 2652292 | 1 | 1 | Intrastate |