| Precision Crane Service INC | 1178148 | 43 | 22 | Interstate |
| Northgate Ready Mix | 2516085 | 43 | 24 | Intrastate |
| Pacific Sanitation | 2671044 | 36 | 43 | Intrastate |
| Encore Events Rentals INC | 3104817 | 29 | 29 | Intrastate |
| Windsor Unified School District | 2810710 | 27 | 13 | Intrastate |
| Sonoma County Resource Recovery | 3046280 | 19 | 14 | Intrastate |
| Knight's Electric INC | 2683065 | 13 | 8 | Intrastate |
| 1-800-Got-Junk | 2709428 | 12 | 12 | Intrastate |
| S-H Osl Opco Holdco LLC | 3376259 | 12 | 12 | Intrastate |
| Gallaher Signature Living | 4539034 | 12 | 10 | Intrastate |
| Reliable Crane And Rigging INC | 2372285 | 11 | 3 | Intrastate |
| Guy's Fencing INC | 2923102 | 10 | 10 | Intrastate |
| Frc INC | 3256044 | 9 | 8 | Intrastate |
| Express Wine Delivery LLC | 2602337 | 7 | 6 | Intrastate |
| Patin Vineyard Management INC | 2688451 | 7 | 8 | Intrastate |
| Atp Group | 2944938 | 7 | 12 | Intrastate |
| Waterworks Industries Incorporated | 3355224 | 7 | 2 | InterstateHazmat |
| Thunderstar Stages | 649638 | 6 | 4 | Interstate |
| Metal Service Center | 2653283 | 6 | 3 | Intrastate |
| Russian River Brewing Company | 2682345 | 6 | 7 | Intrastate |
| Paclease Northcoast | 1528224 | 5 | 20 | Intrastate |
| Alexander Valley Cellars INC | 2621659 | 5 | 5 | Intrastate |
| Mount Storm Forest Products INC | 2659847 | 5 | 7 | Intrastate |
| Germon G Medeiros | 2761996 | 5 | 2 | Intrastate |
| Dirt Dudes Excavating INC | 4330532 | 5 | 6 | Intrastate |
| Dmo Transportation INC | 443002 | 4 | 4 | Intrastate |
| Nor - Cal Trucking | 2276473 | 4 | 5 | Interstate |
| Patin Vineyard Management | 2652997 | 4 | 3 | Intrastate |
| North Bay Concrete INC | 2753290 | 4 | 4 | Intrastate |
| Coleman Construction INC | 2773809 | 4 | 2 | Intrastate |
| Smooth Style Concrete Construction INC | 2853796 | 4 | 1 | Intrastate |
| Martinelli Vineyard Management INC | 3010820 | 4 | 5 | Intrastate |
| Ghiselli Brothers Logistics LLC | 3731635 | 4 | 8 | Intrastate |
| Superior Transport | 962090 | 3 | 3 | Intrastate |
| Jim Edwards Trucking LLC | 1072774 | 3 | 6 | Intrastate |
| Hansen's Moving & Storage | 1285225 | 3 | 2 | Interstate |
| Bill Baxman Logging | 2656850 | 3 | 1 | Intrastate |
| Up & Away Ballooning | 2694110 | 3 | 3 | Intrastate |
| North Pacific Vineyard Management Corp | 2699610 | 3 | 1 | Intrastate |
| Grape Escapes Limousine | 2719500 | 3 | 2 | Intrastate |
| Galvan Underground Construction INC | 3187403 | 3 | 2 | Intrastate |
| Sonoma Strong Hauling & Junk Removal INC | 3415184 | 3 | 2 | Intrastate |
| Century Fencing CO | 3763405 | 3 | 4 | Intrastate |
| Advanced Viticulture INC | 4357738 | 3 | 3 | Intrastate |
| American Tank Company-Bh Tank Works | 1295091 | 2 | 4 | Interstate |
| Interstate Steel Builders INC | 1803858 | 2 | 2 | Interstate |
| Four Horsemen Trucking | 2458793 | 2 | 2 | Intrastate |
| Nick Leras Potable Water Trucks | 2616742 | 2 | 1 | Intrastate |
| Kelly & Kelly Excavation INC | 2657576 | 2 | 2 | Intrastate |
| West Coast Metals INC | 2665100 | 2 | 2 | Intrastate |
| Sonoma Reinforcing INC | 2732470 | 2 | 1 | Intrastate |
| Amd Gaitan Trucking | 2851771 | 2 | 2 | Intrastate |
| Sg Custom Cabinets | 3028135 | 2 | 2 | Intrastate |
| Redwood Lath & Plaster | 3038535 | 2 | 2 | Intrastate |
| Bc Express Transportation | 3189795 | 2 | 2 | Intrastate |
| Soco Investments LLC | 3400209 | 2 | 2 | Intrastate |
| R & A Mobile Tire Service | 3516341 | 2 | 1 | Intrastate |
| Denbeste Landscape Material & Supply INC | 4025945 | 2 | 2 | Intrastate |
| Vineyard Industry Products CO | 4078505 | 2 | 2 | Intrastate |
| Kasting General Contracting | 4868763 | 2 | 4 | Intrastate |
| Juan Santiago Jimenez | 4878686 | 2 | 1 | Intrastate |
| Cummins Transportation | 737960 | 1 | 1 | Intrastate |
| Soto Transportation | 862914 | 1 | 1 | Intrastate |
| Debonis Transportation | 875362 | 1 | 1 | Intrastate |
| O C Express Transportation | 1127185 | 1 | 1 | Intrastate |
| Von Arx Drayage CO INC | 1132304 | 1 | 1 | Intrastate |
| Bill Pohley Tractor | 1147394 | 1 | 1 | Intrastate |
| Mandujano's Trucking | 1212456 | 1 | 1 | Interstate |
| Isol Trucking | 1215016 | 1 | 1 | Interstate |
| Maganas Trucking | 1585945 | 1 | 1 | Intrastate |
| Brian Nelsen Trucking | 1911171 | 1 | 4 | Interstate |
| Jd Harp Trucking | 1917678 | 1 | 1 | Intrastate |
| Rsv Transport LLC | 1978513 | 1 | 1 | Intrastate |
| Sonomarin Landscape Materials | 2601936 | 1 | 1 | Intrastate |
| Naturatech | 2603970 | 1 | 1 | Intrastate |
| Alextra Materials | 2606711 | 1 | 1 | Intrastate |
| T L Hanna House Moving | 2613066 | 1 | 1 | Intrastate |
| Rhew INC | 2617206 | 1 | 1 | Intrastate |
| Sonoma Ag Art LLC | 2620072 | 1 | 1 | Intrastate |
| Petersen Builders INC | 2622369 | 1 | 1 | Intrastate |
| R2r0 | 2624662 | 1 | 1 | Intrastate |
| Rich Savala Backhoe Serv | 2626718 | 1 | 1 | Intrastate |
| Ettlin Trucking | 2644438 | 1 | 1 | Intrastate |
| Fred D Watson Excavating | 2651527 | 1 | 1 | Intrastate |
| Irish Tile And Stone | 2652399 | 1 | 1 | Intrastate |
| Vineyard Of Faith Lutheran Church & Ministry | 2652478 | 1 | 1 | Intrastate |
| Ridgeline Roofing Company | 2656929 | 1 | 1 | Intrastate |
| C And C Transport | 2658008 | 1 | 1 | Intrastate |
| John F Mclaughlin | 2660649 | 1 | 1 | Intrastate |
| Wine Country Tractor Service | 2664287 | 1 | 1 | Intrastate |
| Altes Engineering | 2667038 | 1 | 1 | Intrastate |
| James M Goodfellow | 2667237 | 1 | 1 | Intrastate |
| Brown And Mann | 2670253 | 1 | 1 | Intrastate |
| Alejandro Toledo Landscaping | 2675785 | 1 | 1 | Intrastate |
| Erik Strickland | 2678035 | 1 | 1 | Intrastate |
| Avery & Avery Excavating | 2679540 | 1 | 1 | Intrastate |
| Daniel R Delatorre | 2680054 | 1 | 1 | Intrastate |
| Carlos A Cervera | 2681631 | 1 | 1 | Intrastate |
| Scott A Mcdonald | 2682034 | 1 | 1 | Intrastate |
| Gateway Construction & Concrete INC | 2689428 | 1 | 1 | Intrastate |