| Mono Way Veterinary Hospital INC | Professional, Scientific, and Technical Services | $230,500 | $232,028 | 24 | <$5M | AI Deep Dive |
| Courtney Aviation INC | Transportation and Warehousing | $204,805 | $206,763 | 20 | $5.1M | AI Deep Dive |
| Columbia Candy Kitchen, Inc. | Retail Trade | $120,610 | $121,803 | 39 | <$5M | AI Deep Dive |
| Abuttonlady of Columbia LLC | Accommodation and Food Services | $105,875 | $106,444 | 12 | <$5M | AI Deep Dive |
| Zephyr River Expeditions INC | Arts, Entertainment, and Recreation | $87,642 | $194,561 | 50 | $7.0M | AI Deep Dive |
| Zephyr River Expeditions, INC | Arts, Entertainment, and Recreation | $83,300 | $106,129 | 62 | $8.7M | AI Deep Dive |
| Abuttonlady of Columbia LLC | Manufacturing | $75,625 | $76,276 | 14 | <$5M | AI Deep Dive |
| Columbia Saloons Holdings, Inc. | Accommodation and Food Services | $69,700 | $70,636 | 22 | <$5M | AI Deep Dive |
| Kelly Roofing, INC | Construction | $61,745 | $62,471 | 6 | <$5M | AI Deep Dive |
| Davene Stoller | Accommodation and Food Services | $47,934 | $48,188 | 6 | <$5M | AI Deep Dive |
| Ray Hall Construction, Inc. | Construction | $47,600 | $48,067 | 5 | $5.7M | AI Deep Dive |
| Ray Hall Construction Inc. | Construction | $44,921 | $45,266 | 5 | <$5M | AI Deep Dive |
| Columbia 49er Trailer Ranch, Inc. | Accommodation and Food Services | $42,100 | $42,731 | 10 | <$5M | AI Deep Dive |
| Jakob Jaggy MD INC | Health Care and Social Assistance | $39,616 | $39,864 | 5 | <$5M | AI Deep Dive |
| Jakob Jaggy MD INC | Health Care and Social Assistance | $37,327 | $37,572 | 6 | <$5M | AI Deep Dive |
| El Jardin Columbia | Accommodation and Food Services | $36,865 | $37,357 | 10 | <$5M | AI Deep Dive |
| Columbia Communications INC | Information | $35,354 | $35,581 | 6 | <$5M | AI Deep Dive |
| Columbia House Restaurant | Accommodation and Food Services | $30,179 | $30,461 | 6 | <$5M | AI Deep Dive |
| Aero Resources Columbia | Transportation and Warehousing | $26,700 | $26,930 | 5 | <$5M | AI Deep Dive |
| Sadie Brown Inc. | Accommodation and Food Services | $23,200 | $23,581 | 10 | <$5M | AI Deep Dive |
| Joseph Pimentel | Agriculture, Forestry, Fishing and Hunting | $20,833 | $20,949 | 1 | <$5M | AI Deep Dive |
| Rj Construction | Construction | $20,833 | $21,080 | 1 | <$5M | AI Deep Dive |
| Ronnie Johnson | Construction | $20,832 | $21,018 | 1 | <$5M | AI Deep Dive |
| E C Nelson Enterprises INC | Retail Trade | $14,474 | $14,553 | 3 | <$5M | AI Deep Dive |
| E.c. Nelson Enterprises, Inc. | Other Services (except Public Administration) | $13,400 | $13,548 | 3 | <$5M | AI Deep Dive |