| Goodwill Industries of the Redwood Empire | Retail Trade | $2,000,000 | $2,015,178 | 197 | N/A | Research |
| Argonaut Constructors INC | Construction | $2,000,000 | $2,014,278 | 176 | $54.6M | Research |
| Cattlemens Inc. | Accommodation and Food Services | $2,000,000 | $2,028,877 | 237 | $42.1M | Research |
| Ahlborn Structural Steel, Inc. | Manufacturing | $1,919,800 | $1,940,758 | 76 | $19.9M | Research |
| Anesthesia & Analgesia Medical Group, INC | Health Care and Social Assistance | $1,872,100 | $1,894,929 | 70 | $22.0M | Research |
| Wyvern Restaurants Inc. | Accommodation and Food Services | $1,830,150 | $1,848,146 | 263 | $46.7M | Research |
| Blue Star Gas Associates | Retail Trade | $1,820,200 | $1,845,329 | 128 | $30.6M | Research |
| Tekberry Inc. | Administrative and Support and Waste Management | $1,753,575 | $1,765,119 | 265 | $41.7M | Research |
| Vietnam Veterans of California, Inc. | Health Care and Social Assistance | $1,746,631 | $1,451,987 | 151 | N/A | Research |
| Smothers and White INC | Retail Trade | $1,694,573 | $1,703,533 | 99 | $24.9M | Research |
| Sutter Medical Group of the Redwoods, Inc. | Health Care and Social Assistance | $1,684,000 | $1,692,560 | 82 | $25.7M | Research |
| Hansel Ford, INC | Retail Trade | $1,666,915 | $1,686,085 | 121 | $30.5M | Research |
| Lola's Market, Inc. | Retail Trade | $1,660,000 | $1,670,779 | 208 | $51.9M | Research |
| Richard Hancock, Inc. | Construction | $1,648,200 | $1,665,088 | 242 | $73.5M | Research |
| Rich Doss, Inc. | Transportation and Warehousing | $1,641,900 | $1,653,393 | 128 | $19.3M | Research |
| Quattrocchi Kwok Architects Inc. | Professional, Scientific, and Technical Services | $1,625,000 | $1,644,901 | 64 | $19.8M | Research |
| Wyvern Restaurants, Inc. | Accommodation and Food Services | $1,610,000 | $1,630,036 | 200 | $35.5M | Research |
| Anova Education & Behavior Consult INC | Educational Services | $1,606,200 | $1,614,633 | 182 | N/A | Research |
| Ernest Ongaro & Sons, Inc. | Construction | $1,493,182 | $1,505,833 | 73 | $23.1M | Research |
| Quattrocchi and Kwok Architects | Professional, Scientific, and Technical Services | $1,493,145 | $1,509,140 | 60 | $18.6M | Research |
| Community Action Partnership of Sonoma County | Health Care and Social Assistance | $1,492,538 | $841,164 | 204 | N/A | Research |
| Zfa Structural Engineers, Inc. | Professional, Scientific, and Technical Services | $1,456,460 | $1,464,161 | 86 | $10.6M | Research |
| Blentech Corporation | Manufacturing | $1,430,700 | $1,443,258 | 106 | $27.8M | Research |
| Blentech Corporation | Manufacturing | $1,430,700 | $1,441,112 | 86 | $22.5M | Research |
| California Human Development Corporation | Other Services (except Public Administration) | $1,398,640 | $1,414,811 | 136 | N/A | Research |