| Warm Springs Casino Enterprises | Accommodation and Food Services | $1,702,426 | $1,718,657 | 210 | N/A |  Research |
| The Confederated Tribes of the Warm Springs Reservation of O | Manufacturing | $578,613 | $585,033 | 56 | N/A | Research |
| Warm Springs Housing Authority | Real Estate and Rental and Leasing | $217,194 | $219,860 | 27 | <$5M | Research |
| Warm Springs Construction Enterprise | Construction | $127,345 | $128,088 | 12 | <$5M | Research |
| Warm Springs Construction Enterprise | Construction | $127,345 | $144,034 | 21 | $6.5M | Research |
| Warm Springs Telecommunications Company, Inc. | Information | $114,700 | $115,627 | 10 | <$5M | Research |
| The Museum at Warm Springs | Arts, Entertainment, and Recreation | $112,310 | $112,765 | 11 | N/A | Research |
| Warm Springs Economic Development Corporation | Administrative and Support and Waste Management | $102,190 | $102,786 | 5 | <$5M | Research |
| Macy Ellis Enterprises Inc. | Retail Trade | $95,305 | $96,292 | 15 | <$5M | Research |
| Warm Springs Community Action Team | Public Administration | $92,712 | $93,581 | 10 | N/A | Research |
| The Museum at Warm Springs | Arts, Entertainment, and Recreation | $87,850 | $88,957 | 10 | N/A | Research |
| Chilkat Enterprise INC | Agriculture, Forestry, Fishing and Hunting | $83,965 | $84,388 | 10 | <$5M | Research |
| Chilkat Enterprise INC | Agriculture, Forestry, Fishing and Hunting | $82,504 | $83,763 | 10 | <$5M | Research |
| Warm Springs Economic Geo Visions | Professional, Scientific, and Technical Services | $78,835 | $79,189 | 6 | <$5M | Research |
| Warm Springs Timber Company LLC | Agriculture, Forestry, Fishing and Hunting | $60,744 | $61,218 | 4 | <$5M | Research |
| Warm Springs Power Enterprises | Utilities | $59,166 | $56,793 | 4 | N/A | Research |
| Warm Springs Power Enterprises | Utilities | $56,862 | $57,268 | 4 | N/A | Research |
| Jr Smith Logging Inc. | Agriculture, Forestry, Fishing and Hunting | $49,507 | $49,752 | 4 | <$5M | Research |
| Chilkat Logging INC | Agriculture, Forestry, Fishing and Hunting | $13,862 | $13,940 | 4 | <$5M | Research |
| Nativefax, LLC | Information | $13,520 | $7,001 | 1 | <$5M | Research |
| Chilkat Logging Inc. | Agriculture, Forestry, Fishing and Hunting | $13,398 | $0 | 5 | <$5M | Research |
| Eagle Crossing Restaurant LLC | Accommodation and Food Services | $6,848 | $6,904 | 7 | <$5M | Research |
| Jonathan Smith | Other Services (except Public Administration) | $1,144 | $1,159 | 1 | <$5M | Research |