| Royal City Bell LLC | Accommodation and Food Services | $5,226,442 | $5,287,584 | 500 | $93.3M |  Research |
| Cline Cellars INC | Manufacturing | $3,297,400 | $3,340,999 | 369 | $130.2M | Research |
| Mary's Pizza Shack | Accommodation and Food Services | $3,027,649 | $3,060,912 | 500 | $88.8M | Research |
| Mary's Pizza Shack Inc. | Accommodation and Food Services | $2,000,000 | $2,012,986 | 299 | $53.1M | Research |
| North Counties Drywall Inc. | Construction | $1,974,870 | $1,985,567 | 209 | $52.8M | Research |
| L'auberge De Sonoma, LLC | Accommodation and Food Services | $1,902,624 | $1,911,979 | 222 | $69.4M | Research |
| The Girl and the Fig LLC | Accommodation and Food Services | $1,791,402 | $1,810,248 | 138 | $24.5M | Research |
| Artisan Bakers | Retail Trade | $1,705,960 | $1,715,074 | 194 | $21.5M | Research |
| Hanna Boys Center | Educational Services | $1,705,352 | $1,536,635 | 114 | N/A | Research |
| V Sangiacomo and Sons LP | Agriculture, Forestry, Fishing and Hunting | $1,680,446 | $1,701,993 | 200 | $20.4M | Research |
| V Sangiacomo and Sons Limited Partnership | Agriculture, Forestry, Fishing and Hunting | $1,680,446 | $1,694,995 | 200 | $20.4M | Research |
| Vode Lighting, LLC | Manufacturing | $1,662,947 | $1,676,030 | 88 | $23.0M | Research |
| Vode Lighting LLC | Manufacturing | $1,625,985 | $1,639,485 | 89 | $23.3M | Research |
| Bolt Staffing Service INC | Administrative and Support and Waste Management | $1,614,210 | $1,629,512 | 182 | $28.6M | Research |
| Bolt Staffing Service INC | Administrative and Support and Waste Management | $1,554,960 | $1,564,503 | 113 | $17.8M | Research |
| Don Sebastiani & Sons International Wine Negociants | Wholesale Trade | $1,359,600 | $1,373,792 | 60 | $15.4M | Research |
| Lauberge De Sonoma, LLC | Management of Companies and Enterprises | $1,359,000 | $1,373,081 | 222 | $36.5M | Research |
| The Girl & the Fig, LLC | Accommodation and Food Services | $1,279,570 | $1,286,434 | 86 | $15.3M | Research |
| Laura Chenel's Chevre Inc. | Manufacturing | $1,246,792 | $1,258,671 | 112 | $39.5M | Research |
| Laura Chenel's Chevre, Inc. | Manufacturing | $1,199,942 | $1,210,008 | 93 | $32.8M | Research |
| Free Flow Wines, LLC | Administrative and Support and Waste Management | $1,079,714 | $1,087,701 | 72 | $13.6M | Research |
| Free Flow Wines LLC | Wholesale Trade | $1,013,329 | $1,018,548 | 53 | $16.2M | Research |
| Sonoma Valley Community Health Center | Health Care and Social Assistance | $1,000,000 | $1,007,068 | 92 | N/A | Research |
| Edi Associates | Accommodation and Food Services | $996,392 | $1,002,343 | 52 | $9.2M | Research |
| Broderick General Engineering, Inc. | Construction | $993,129 | $1,005,373 | 72 | $27.0M | Research |