593 active carriers · 43 with recent roadside inspections, listed below.
| Carrier | City | Power units | Records |
|---|---|---|---|
| BIAGI BROS INC | NAPA | 149 | Inspections / crashes |
| GEORGE KARIOTISdba KARIOTIS TRUCKING | NAPA | 3 | Inspections / crashes |
| CALIFORNIA WINE TOURS INCdba EVANS AIRPORTER | NAPA | 57 | Inspections / crashes |
| CHRISTOPHER PONCIAdba DEL BONDIO FARMING | NAPA | 5 | Inspections / crashes |
| MATTHEW J CORDEIROdba ROYAL COACH SERVICE | NAPA | 12 | Inspections / crashes |
| JUSTIN-SIENA HIGH SCHOOL CORPORATION | NAPA | 7 | Inspections / crashes |
| SCIAMBRA-PASSINI FRENCH BAKERY INC | NAPA | 0 | Inspections / crashes |
| WINETECH LLCdba DA VE WINERY | NAPA | 16 | Inspections / crashes |
| AMILCAR GONZALEZ ESCALANTEdba ESCALANTE AUTO CARE | NAPA | 0 | Inspections / crashes |
| COMMUNITY ACTION OF NAPA VALLEYdba NAPA VALLEY FOOD BANK | NAPA | 2 | Inspections / crashes |
| BLACKHAWK BODY SHOP INC | NAPA | 2 | Inspections / crashes |
| HOPEWELL BAPTIST CHURCH | NAPA | 6 | Inspections / crashes |
| PAULINO L FUENTESdba SUPER VAGO TRUCKING | NAPA | 1 | Inspections / crashes |
| PROTEK CARGO INC | NAPA | 2 | Inspections / crashes |
| CROWN HILL STONE SUPPLY LLC | NAPA | 11 | Inspections / crashes |
| EMERGENCY CONSTRUCTION SERVICES INC | NAPA | 1 | Inspections / crashes |
| ARJUNA TRANSPORTATION LLCdba TRUE ELEGANCE LIMOUSINE | NAPA | 23 | Inspections / crashes |
| COMPLETE WELDERS SUPPLY | NAPA | 47 | Inspections / crashes |
| NAPA BUILDERS SUPPLY CO INC | NAPA | 2 | Inspections / crashes |
| WALSH VINEYARDS MANAGEMENT INC | NAPA | 11 | Inspections / crashes |
| PINA VINEYARD MANAGEMENT LLC | NAPA | 5 | Inspections / crashes |
| A WINE VALLEY EXPERIENCE LIMOUSINE INCdba NAPA VALLEY TOURS & TRANSPORTATION | NAPA | 75 | Inspections / crashes |
| A T INDUSTRIES INC | NAPA | 0 | Inspections / crashes |
| NAPA VALLEY ALOFT INC | NAPA | 31 | Inspections / crashes |
| AAA VINTAGE GASES, INC.dba PINER SERVICES | NAPA | 2 | Inspections / crashes |
| NAPA LIMOUSINE LLCdba ALTA LUXURY TRANSPORTATION SERVICES | NAPA | 12 | Inspections / crashes |
| NAPA VALLEY UNIFIED SCHOOL DISTRICTdba NAPA COUNTY OFFICE OF EDUCATION | NAPA | 54 | Inspections / crashes |
| THEONI INC | NAPA | 33 | Inspections / crashes |
| GUILLERMO ESPINOZA TRUCKING INC | NAPA | 5 | Inspections / crashes |
| HOTEL LAUNDRY INC | NAPA | 2 | Inspections / crashes |
| JCN XPRESS LLC | NAPA | 7 | Inspections / crashes |
| NAPA NATIVE LLCdba NAPA NATIVE | NAPA | 2 | Inspections / crashes |
| ATLAS VINEYARD MANAGEMENT LLC | NAPA | 45 | Inspections / crashes |
| AGC TRUCKING INC | NAPA | 1 | Inspections / crashes |
| LA MORENITA MARKET INC | NAPA | 3 | Inspections / crashes |
| THOMAS JARMANdba DESTINATION NAPA VALLEY | NAPA | 7 | Inspections / crashes |
| OXBOW LANDSCAPE CONTRACTORS INCdba OXBOW POOL AND LANDSCAPE CONTRACTORS | NAPA | 2 | Inspections / crashes |
| GRACY TOWING AND RECOVERYdba GRACY TOWING | NAPA | 0 | Inspections / crashes |
| A DRIVE FOR WINE CO | NAPA | 1 | Inspections / crashes |
| RED MADRONE LLC | NAPA | 9 | Inspections / crashes |
| ADRIANA QUINONEZ LEDEZMAdba CALISTOGA TOURS | NAPA | 3 | Inspections / crashes |
| KEYSTONE BUILDING INCdba KEYSTONE YARDS | NAPA | 4 | Inspections / crashes |
| PLATINUM PLATYPUS TOURS LLCdba PLATYPUS TOURS | NAPA | 30 | Inspections / crashes |