| HTHeads & Tails Spirits | Idaho Falls | ID | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| HSHegy's South Hills Vineyard & Winery | Twin Falls | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HCHells Canyon Winery | Caldwell | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HBHGS Bioscience Dubois | Dubois | ID | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| HSHighlander Salmon LLC | Salmon | ID | Beverage and Tobacco Product Manufacturing312120 | 20-99 | ◐ LIKELY ACTIVE |
| HCHighpoint Cider | Victor | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HPHilex Poly A NOVOLEX Company - Jerome | Jerome | ID | Plastics and Rubber Products Manufacturing326111 | 100-499 | ◐ LIKELY ACTIVE |
| HWHolesinsky Winery | Buhl | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HWHomedale - WP | Homedale | ID | Wood Product Manufacturing321213 | 20-99 | ◐ LIKELY ACTIVE |
| HHooDew | Priest River | ID | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| HAHorizon Ag-Products - ID Plant | Rupert | ID | Chemical Manufacturing325314 | 1-19 | ◐ LIKELY ACTIVE |
| HNHormann Northwest Door LLC - Boise | Meridian | ID | Fabricated Metal Product Manufacturing332322 | 1-19 | ◐ LIKELY ACTIVE |
| HBHorseshoe Bend | Horseshoe Bend | ID | Machinery Manufacturing333112 | 20-99 | ◐ LIKELY ACTIVE |
| IId | Rupert | ID | Food Manufacturing311513 | 20-99 | ◐ LIKELY ACTIVE |
| IBIdaho Bourbon Distillers LLC | Boise | ID | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| ICIdaho Cedar Sales | Troy | ID | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| IFIdaho Falls | Idaho Falls | ID | Beverage and Tobacco Product Manufacturing312111 | 20-99 | ◐ LIKELY ACTIVE |
| IFIdaho Falls - BAF | Idaho Falls | ID | Food Manufacturing311423 | 20-99 | ◐ LIKELY ACTIVE |
| IFIdaho Falls Facility | Idaho Falls | ID | Food Manufacturing311221 | 20-99 | ◐ LIKELY ACTIVE |
| IFIdaho Falls Idaho | Idaho Falls | ID | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| IFIdaho Falls ID Truss | Idaho Falls | ID | Wood Product Manufacturing321215 | 20-99 | ◐ LIKELY ACTIVE |
| IMIdaho Meat and Seafood | Nampa | ID | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| IMIdaho Mercantile Distillers | Shelley | ID | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| IMIdaho Meridian 3540 E Lanark Street | Meridian | ID | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| IPIdaho Plant | Cda | ID | Primary Metal Manufacturing331491 | 20-99 | ◐ LIKELY ACTIVE |
| ISIdaho Steel Products - Millwright Division | Idaho Falls | ID | Machinery Manufacturing333241 | 20-99 | ◐ LIKELY ACTIVE |
| IWIdaho Western | Nampa | ID | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| IKIMC - Ketchum/Bellevue | Bellevue | ID | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| IMIMC- Mountain Home | Mountain Home | ID | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| IMIndependent Meat Co. | Twin Falls | ID | — | — | ◐ LIKELY ACTIVE |
| IMIndependent Meat Company | Twin Falls | ID | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| IIInternational Isotopes Inc. | Idaho Falls | ID | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |
| IAIt's All About You Catering / Simple Bites | Meridian | ID | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| JIJayco Idaho | Kimberly | ID | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
| JHJ.D. Heiskell & Co. Twin Falls, ID | Twin Falls | ID | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| JHJ.D. Heiskell & Co. Wendell ID | Wendell | ID | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| JBJohnson Brothers Boise Location | Boise | ID | Wood Product Manufacturing321999 | 1-19 | ◐ LIKELY ACTIVE |
| JTJohnson Thermal Systems - Caldwell Headquarters | Caldwell | ID | Fabricated Metal Product Manufacturing332311 | 100-499 | ◐ LIKELY ACTIVE |
| JTJohnson Thermal Systems - Emmett | Emmett | ID | Fabricated Metal Product Manufacturing332311 | 1-19 | ◐ LIKELY ACTIVE |
| JTJohnson Thermal Systems - Warehouse | Caldwell | ID | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| JBJoplin Boise, Idaho | Boise | ID | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| JCJovinea Cellars | Lenore | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| JTJ Tobias Distributing LLC | Rexburg | ID | Beverage and Tobacco Product Manufacturing312112 | — | ◐ LIKELY ACTIVE |
| KEK & E Machine, INC. | Rathdrum | ID | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| KWKludt Williams Family Winery | Meridian | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| KIKnight Industrial INC | Caldwell | ID | Machinery Manufacturing333241 | 20-99 | ◐ LIKELY ACTIVE |
| KBKoda Bear Winery, INC. | Caldwell | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| KKKrossfade Kombucha Cocktails | Boise | ID | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| LRLam Research Corp Boise Field Office | Boise | ID | Machinery Manufacturing333242 | 100-499 | ◐ LIKELY ACTIVE |
| LLLantrix LLC | Idaho Falls | ID | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |