| Fairfield Hospital District | Health Care and Social Assistance | $1,125,000 | $1,043,915 | 92 | N/A | AI Deep Dive |
| Gilbert A. Daniel | Accommodation and Food Services | $673,922 | $679,088 | 83 | $14.7M | AI Deep Dive |
| The Gilbert a Daniel Company | Accommodation and Food Services | $481,372 | $485,076 | 85 | $15.1M | AI Deep Dive |
| Fairfield Skilled Care, LLC | Health Care and Social Assistance | $431,303 | $435,963 | 67 | $11.4M | AI Deep Dive |
| Mustang Oilfield Services, LLC | Mining, Quarrying, and Oil and Gas Extraction | $245,988 | $247,626 | 21 | <$5M | AI Deep Dive |
| Chris Christensen Systems | Retail Trade | $207,998 | $209,170 | 22 | <$5M | AI Deep Dive |
| Wth Towing, LLC | Transportation and Warehousing | $199,600 | $201,388 | 20 | <$5M | AI Deep Dive |
| Mustang Oilfield Services, LLC | Mining, Quarrying, and Oil and Gas Extraction | $194,170 | $195,989 | 13 | <$5M | AI Deep Dive |
| Fairfield Ambulance Service, Inc. | Health Care and Social Assistance | $181,370 | $182,463 | 25 | N/A | AI Deep Dive |
| Clean Energy Technology | Mining, Quarrying, and Oil and Gas Extraction | $174,440 | $176,074 | 14 | <$5M | AI Deep Dive |
| Hometown Pharmacy, LLC | Retail Trade | $166,437 | $167,436 | 23 | <$5M | AI Deep Dive |
| Capps Hardware & Ag Center | Retail Trade | $147,424 | $148,313 | 18 | <$5M | AI Deep Dive |
| Jks Ranch Cattle & Equipment, LLC | Wholesale Trade | $119,780 | $121,473 | 14 | <$5M | AI Deep Dive |
| Scott's Collision Center, LLC | Other Services (except Public Administration) | $114,978 | $115,759 | 10 | <$5M | AI Deep Dive |
| Parmattma Corporation | Accommodation and Food Services | $110,800 | $111,536 | 25 | $7.8M | AI Deep Dive |
| I-45 Restaurant LLC | Accommodation and Food Services | $108,451 | $108,990 | 22 | <$5M | AI Deep Dive |
| Lyle Oil Co | Construction | $105,370 | $106,029 | 19 | $5.9M | AI Deep Dive |
| Johnson Copper Bar-B-Que LLC | Accommodation and Food Services | $95,229 | $95,761 | 14 | <$5M | AI Deep Dive |
| Big Boy Ranch LLC | Transportation and Warehousing | $95,005 | $0 | 14 | <$5M | AI Deep Dive |
| Fairfield Paint & Body LLC | Other Services (except Public Administration) | $94,610 | $95,207 | 8 | <$5M | AI Deep Dive |
| Snr Bragg INC | Accommodation and Food Services | $90,305 | $90,834 | 15 | <$5M | AI Deep Dive |
| Rutherford Auto INC | Other Services (except Public Administration) | $88,146 | $88,797 | 10 | <$5M | AI Deep Dive |
| Rutherford Auto INC | Retail Trade | $88,145 | $88,642 | 10 | <$5M | AI Deep Dive |
| First United Methodist Church - Fairfield | Other Services (except Public Administration) | $86,293 | $86,724 | 27 | N/A | AI Deep Dive |
| First United Methodist Church - Fairfield | Other Services (except Public Administration) | $83,489 | $84,331 | 27 | N/A | AI Deep Dive |