| Steele Memorial Medical Center | Health Care and Social Assistance | $2,478,219 | $2,504,902 | 213 | N/A |  Research |
| Qb Corporation | Manufacturing | $705,042 | $711,320 | 59 | $58.5M | Research |
| Dahle Construction LLC | Construction | $616,682 | $620,451 | 54 | $61.5M | Research |
| Ray's Heating, Plumbing, Electric Inc. | Construction | $257,042 | $259,620 | 33 | $10.4M | Research |
| Salmon River Motors INC | Retail Trade | $245,206 | $246,759 | 24 | $6.0M | Research |
| Quality Motors,inc | Retail Trade | $245,205 | $119,556 | 125 | $31.5M | Research |
| Helfrich River Outfitters INC | Arts, Entertainment, and Recreation | $243,985 | $246,144 | 21 | <$5M | Research |
| Fishtown INC | Accommodation and Food Services | $184,011 | $185,297 | 30 | $9.4M | Research |
| Lemhi Valley Social Services, Incorporated | Health Care and Social Assistance | $177,680 | $179,055 | 42 | $6.8M | Research |
| Lemhi Valley Social Services INC | Health Care and Social Assistance | $169,695 | $170,969 | 39 | $6.9M | Research |
| River Shuttles LLC | Transportation and Warehousing | $137,423 | $138,412 | 61 | $18.7M | Research |
| Gem Air LLC | Educational Services | $136,776 | $138,049 | 13 | <$5M | Research |
| Gem Air LLC | Educational Services | $136,600 | $163,262 | 13 | <$5M | Research |
| Cannell Wilderness Inc. | Administrative and Support and Waste Management | $128,784 | $129,410 | 22 | $7.0M | Research |
| Fishtown, INC | Accommodation and Food Services | $128,300 | $129,594 | 30 | $9.4M | Research |
| Mildon Home Center, Inc. | Retail Trade | $119,700 | $120,956 | 18 | <$5M | Research |
| Flying Resort Ranches INC | Accommodation and Food Services | $113,744 | $114,537 | 28 | $8.8M | Research |
| Bird Tire and Auto | Retail Trade | $90,593 | $91,280 | 12 | <$5M | Research |
| Flying Resort Ranches, Inc. | Accommodation and Food Services | $82,376 | $82,941 | 12 | <$5M | Research |
| Idaho and Oregon River Journeys | Arts, Entertainment, and Recreation | $82,306 | $82,809 | 14 | <$5M | Research |
| Brooks Montgomery Sales and Marketing Inc. | Wholesale Trade | $80,639 | $81,721 | 5 | <$5M | Research |
| Jervois Mining USA Limited | Mining, Quarrying, and Oil and Gas Extraction | $80,000 | $80,717 | 6 | <$5M | Research |
| Salmon Dental Center Pllc | Health Care and Social Assistance | $78,822 | $79,222 | 12 | <$5M | Research |
| Joseph L Rodriguez DDS | Health Care and Social Assistance | $75,428 | $76,122 | 6 | <$5M | Research |
| Salmon Dental Center Pllc | Health Care and Social Assistance | $70,100 | $70,605 | 10 | <$5M | Research |