| SSSiren Song Wines Idaho LLC | Eagle | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SHSmall House Winery | Sandpoint | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SSSoda Springs | Soda Springs | ID | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| SSSoda Springs, ID | Soda Springs | ID | Chemical Manufacturing325180 | 100-499 | ◐ LIKELY ACTIVE |
| SSSoda Springs Ready Mix | Soda Springs | ID | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| SMSouthwark Metal Idaho Division | Caldwell | ID | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| SPSpokane Packaging - Nampa | Nampa | ID | Paper Manufacturing322211 | 1-19 | ◐ LIKELY ACTIVE |
| SFSSI Foods, LLC | Nampa | ID | Food Manufacturing311612 | 100-499 | ◐ LIKELY ACTIVE |
| SBStanCraft Boats | Hayden | ID | Transportation Equipment Manufacturing336612 | 20-99 | ◐ LIKELY ACTIVE |
| SPStandlee Premium Western Forage | Kimberly | ID | Food Manufacturing311119 | 100-499 | ◐ LIKELY ACTIVE |
| SCStandridge Color ID | Burley | ID | Chemical Manufacturing325991 | 1-19 | ◐ LIKELY ACTIVE |
| SFSteel fabrication | Kuna | ID | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| SLStimson Lumber, St. Maries Operation | St. Maries | ID | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| SLStimson Lumber, St. Maries Operation | Saint Maries | ID | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| SJSt Joe Valley Cider | Saint Maries | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SSStor-Mor Systems, Inc | Meridian | ID | Wood Product Manufacturing321992 | 20-99 | ◐ LIKELY ACTIVE |
| SPStrategic Pursuits LLC | Coeur D Alene | ID | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| SRSt. Rule Fermenting | Weiser | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SCSummit Cider Company | Coeur D'alene | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SSSummit Seed Coatings LLC 11th Ave | Caldwell | ID | Chemical Manufacturing325320 | 1-19 | ◐ LIKELY ACTIVE |
| SSSummit Seed Coatings LLC Paynter | Caldwell | ID | Chemical Manufacturing325320 | 1-19 | ◐ LIKELY ACTIVE |
| SWSupply Way | Boise | ID | Transportation Equipment Manufacturing336212 | 1-19 | ◐ LIKELY ACTIVE |
| SSvbbellevue | Bellevue | ID | Primary Metal Manufacturing331529 | 20-99 | ◐ LIKELY ACTIVE |
| SSvbfoundry | Carey | ID | Fabricated Metal Product Manufacturing332323 | 20-99 | ◐ LIKELY ACTIVE |
| SVSweetbriar Vineyard and Winery | Mountain Home | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SRSWS Retail - Caldwell | Caldwell | ID | Food Manufacturing311119 | 100-499 | ◐ LIKELY ACTIVE |
| SWSyringa Winery | Kuna | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| STSystems Technologies Inc | Hayden | ID | Computer and Electronic Product Manufacturing334290 | 20-99 | ◐ LIKELY ACTIVE |
| TSTactical Solutions Inc. | Boise | ID | Fabricated Metal Product Manufacturing332994 | 20-99 | ◐ LIKELY ACTIVE |
| TCTapley Cabinet Works, Inc. | Coeur d'Alene | ID | Furniture and Related Product Manufacturing337110 | 20-99 | ◐ LIKELY ACTIVE |
| TBTarghee Brands, Inc. | Rexburg | ID | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
Tenicor LLC | Moscow | ID | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| TNTerra Nativa Vineyards | Meridian | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TWTetonic Wines | Driggs | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TOThe Occasions Group - ID - 0123-IDRE1 | Rexburg | ID | Printing and Related Support Activities323113 | 100-499 | ◐ LIKELY ACTIVE |
| TSThe Stow Company Nampa | Nampa | ID | Furniture and Related Product Manufacturing337215 | 20-99 | ◐ LIKELY ACTIVE |
| TSThousand Springs Winery | Hagerman | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TMThree Mile | Grangeville | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TWTimberrock Winery | Post Falls | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TNTop Notch Jerky LLC | Sugar City | ID | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| TETotal Equipment & Rental of Idaho Falls LLC | Idaho Falls | ID | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| TATriton Advanced Structures, LLC | Athol | ID | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| TFTwin Falls | Twin Falls | ID | Food Manufacturing311411 | 500+ | ◐ LIKELY ACTIVE |
| TFTwin Falls Distillery | Twin Falls | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TFTwin Falls Ready Mix | Twin Falls | ID | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| UTUFP Twin Falls, LLC | Twin Falls | ID | Paper Manufacturing322220 | 1-19 | ◐ LIKELY ACTIVE |
| UVUGN Valparaiso | Valparaiso | ID | Transportation Equipment Manufacturing336360 | 100-499 | ◐ LIKELY ACTIVE |
| UMUlfhednar Meadery and Wines LLC | Boise | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| UOUniversity of Idaho Meats Lab | Moscow | ID | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| UNUp North Distillery | Post Falls | ID | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |