| Silverado Resort Services Group, LLC | Accommodation and Food Services | $4,707,500 | $4,758,444 | 76 | $23.8M |  Research |
| Peck & Hiller Company | Construction | $4,382,987 | $4,439,966 | 165 | $38.2M | Research |
| Crimson Wine Group | Agriculture, Forestry, Fishing and Hunting | $3,819,522 | $3,863,234 | 315 | $32.2M | Research |
| Central Valley Builders Supply | Retail Trade | $3,816,100 | $3,859,773 | 242 | $50.0M | Research |
| Ole Health | Other Services (except Public Administration) | $3,586,472 | $3,627,318 | 270 | N/A | Research |
| Atlas Vineyard Management, LLC | Agriculture, Forestry, Fishing and Hunting | $3,474,600 | $3,513,915 | 295 | $30.1M | Research |
| Gf Carneros Holdings LLC | Accommodation and Food Services | $3,035,800 | $3,069,447 | 215 | $67.2M | Research |
| Renteria Vineyard Management, LLC | Agriculture, Forestry, Fishing and Hunting | $2,951,862 | $3,005,569 | 339 | $17.0M | Research |
| Sheehan Construction, Inc. | Construction | $2,784,013 | $2,814,980 | 313 | $72.4M | Research |
| Napa Recycling & Waste Services, LLC | Administrative and Support and Waste Management | $2,771,600 | $1,222,967 | 140 | $26.5M | Research |
| The Hess Collection Winery | Manufacturing | $2,534,120 | $2,562,277 | 132 | $46.6M | Research |
| Bhm Construction, INC | Construction | $2,491,900 | $2,520,695 | 103 | $117.4M | Research |
| Regusci Vineyard Management, Inc. | Real Estate and Rental and Leasing | $2,398,100 | $2,430,688 | 256 | $46.8M | Research |
| Silverado Farming Company, Inc. | Agriculture, Forestry, Fishing and Hunting | $2,270,100 | $2,295,786 | 202 | $20.6M | Research |
| New Pina Vineyard Management, LLC | Agriculture, Forestry, Fishing and Hunting | $2,177,202 | $2,195,514 | 198 | $9.9M | Research |
| Bayview Vineyards Corporation | Manufacturing | $2,106,700 | $2,129,698 | 240 | $84.7M | Research |
| Cello & Maudru Construction Company, Inc. | Construction | $2,081,600 | $2,104,811 | 107 | $121.9M | Research |
| New Tech Network Inc. | Educational Services | $2,000,000 | $2,023,111 | 101 | $13.5M | Research |
| Renteria Vineyard Management, LLC | Agriculture, Forestry, Fishing and Hunting | $2,000,000 | $2,025,389 | 130 | $13.3M | Research |
| Peck and Hiller Company | Construction | $2,000,000 | $2,033,056 | 90 | $102.5M | Research |
| Regusci Vineyard Management INC | Real Estate and Rental and Leasing | $2,000,000 | $2,020,274 | 236 | $43.2M | Research |
| Odd Fellows Home of California | Health Care and Social Assistance | $1,999,999 | $2,019,110 | 225 | $38.3M | Research |
| Domaine Carneros Ltd | Agriculture, Forestry, Fishing and Hunting | $1,984,602 | $1,754,803 | 127 | $13.0M | Research |
| Susana Samson | Administrative and Support and Waste Management | $1,974,433 | $1,990,283 | 484 | $76.2M | Research |
| Domaine Carneros Ltd | Manufacturing | $1,972,720 | $1,997,160 | 137 | $48.4M | Research |