| Roman's Tree Service, Inc. | Administrative and Support and Waste Management | $131,262 | $132,521 | 13 | <$5M | AI Deep Dive |
| Black Diamond Roofing, Inc. | Construction | $130,825 | $132,171 | 15 | <$5M | AI Deep Dive |
| Martinez Auto Body | Other Services (except Public Administration) | $130,142 | $131,607 | 8 | <$5M | AI Deep Dive |
| Boydstun Construction Inc. | Construction | $126,690 | $127,804 | 12 | <$5M | AI Deep Dive |
| James Busby | Construction | $126,227 | $127,121 | 13 | <$5M | AI Deep Dive |
| Contra Costa Electric INC | Construction | $125,456 | $0 | 300 | $98.7M | AI Deep Dive |
| R Labrie Construction/lamorinda Home Repair | Construction | $125,000 | $125,948 | 11 | <$5M | AI Deep Dive |
| Rocksteady Brewing Company | Accommodation and Food Services | $124,925 | $126,650 | 12 | <$5M | AI Deep Dive |
| Norcal Golf Academy LLC | Educational Services | $124,570 | $125,684 | 6 | <$5M | AI Deep Dive |
| Gil's Carpet Inc. | Construction | $124,345 | $125,585 | 11 | <$5M | AI Deep Dive |
| Loaves and Fishes of Contra Costa | Other Services (except Public Administration) | $124,065 | $124,959 | 9 | N/A | AI Deep Dive |
| Estrellita S Cruz | Health Care and Social Assistance | $123,904 | $124,654 | 17 | <$5M | AI Deep Dive |
| Culinary Design and Management , INC | Accommodation and Food Services | $122,617 | $124,667 | 22 | <$5M | AI Deep Dive |
| California Custom Metals INC | Manufacturing | $121,990 | $123,057 | 6 | <$5M | AI Deep Dive |
| C & J Favalora Trucking | Transportation and Warehousing | $120,279 | $121,288 | 12 | <$5M | AI Deep Dive |
| John Muir Land Trust | Other Services (except Public Administration) | $120,265 | $121,234 | 18 | <$5M | AI Deep Dive |
| John Muir Land Trust | Retail Trade | $120,200 | $121,148 | 10 | <$5M | AI Deep Dive |
| Orlando Mercure DBA Absolute Air | Unknown | $116,850 | $118,246 | 60 | N/A | AI Deep Dive |
| Contra Costa Cinema LLC | Information | $116,465 | $117,505 | 25 | <$5M | AI Deep Dive |
| Next Level Strategies Inc. | Professional, Scientific, and Technical Services | $116,227 | $117,192 | 6 | <$5M | AI Deep Dive |
| Pemy Consulting, LLC | Professional, Scientific, and Technical Services | $115,500 | $116,528 | 25 | <$5M | AI Deep Dive |
| C & J Favalora Trucking | Transportation and Warehousing | $115,455 | $116,462 | 11 | <$5M | AI Deep Dive |
| Next Level Strategies, Inc. | Unknown | $115,325 | $116,499 | 6 | N/A | AI Deep Dive |
| H & M Restaurant Corporation | Accommodation and Food Services | $115,180 | $116,344 | 25 | <$5M | AI Deep Dive |
| Tender Touch Care Homes LLC | Health Care and Social Assistance | $114,256 | $0 | 20 | <$5M | AI Deep Dive |