| IWIneel Willow Creek Building | Idaho Falls | ID | Transportation Equipment Manufacturing336992 | — | ◇ UNVERIFIED |
| ICIntermountain Concrete Specialties | Idaho Falls | ID | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| ICInterstate Concrete and Asphalt | Old Town | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ICInterstate Concrete and Asphalt Hayden | Hayden | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ICInterstate Concrete & Asphalt - Freeman | Post Falls | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ICInterstate Concrete & Asphalt Hayden | Hayden | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ICInterstate Concrete & Asphalt Rathdrum | Rathdrum | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ILIronclad LLC. | Boise | ID | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| ISIronman Safe Company, LLC | Dalton Gardens | ID | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| IPIron Properties, LLC | Rexburg | ID | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| IRIronside Roasting Co. | Boise | ID | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| JFJackson's Food Store #009 | Payette | ID | Machinery Manufacturing333913 | — | ◇ UNVERIFIED |
| JFJacksons Food Store 044 | Boise | ID | Machinery Manufacturing333913 | — | ◇ UNVERIFIED |
| JTJacks Tire and Oil | Boise | ID | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| JAJacob and Kristina Wilcox | Lewiston | ID | Fabricated Metal Product Manufacturing332992 | — | ◇ UNVERIFIED |
| JPJAKD Properties LLC | Boise | ID | Leather and Allied Product Manufacturing316998 | — | ◇ UNVERIFIED |
| JLJason LCobb | Hayden | ID | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| JCJayCo Cabinets LLC | Garden City | ID | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| JLJaymark LLC | Garden City | ID | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| JCJBL Company LLC | Nampa | ID | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| JHJ.d. Heiskell & CO. - Wendell Transportation | Wendell | ID | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| JLJed LLC | Bellevue | ID | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| JCJ&L Cabinets, LLC | Post Falls | ID | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| JCJ&L Cabinets, LLC | Post Falls | ID | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| JEJoal Enterprises, LLC | Orofino | ID | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
 Johnson Brothers Planing Mill, INC. | Idaho Falls | ID | Machinery Manufacturing333210 | — | ◇ UNVERIFIED |
| JCJohnson Controls Fire Protection LP | Boise | ID | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| JCJorgensen Cabinets LLC | Rigby | ID | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| JCJorgensen Cabinets LLC | Rigby | ID | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| JAJoseph Azuz Emmett Shops | Emmett | ID | Fabricated Metal Product Manufacturing332613 | — | ◇ UNVERIFIED |
| JIJ.P. Investments, LLC | Boise | ID | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| JRJ R Simplot Company-don Siding Pocatello | Pocatello | ID | Chemical Manufacturing325312 | — | ◇ UNVERIFIED |
| JMJustin's Motorsports | Cocolalla | ID | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| KHKAFR Holdings LLC | Pocatello | ID | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| KJKDK Jet Property Management LLC | Bellevue | ID | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| KPKerf Properties, LLC | rathdrum | ID | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| KPKingston Phoenix Group INC. | Garden City | ID | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| KPKitchen Perfections, INC. | Twin Falls | ID | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| KFKits Foundry and Machine, INC. | Shelley | ID | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| KWKiwi's Welding & Repair, Inc. | Boise | ID | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| KLKm2 LLC | Kuna | ID | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| KDKnead Dough Co LLC | Nampa | ID | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| KBKneaders Bakery and Cafe, LLC | Meridian | ID | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| KRKnife River Haman | Rathdrum | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| KFKrause Family Cellars, LLC | Garden City | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◇ UNVERIFIED |
| LOLand O Lakes | Caldwell | ID | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| LELaney Enterprises LLC | Boise | ID | Leather and Allied Product Manufacturing316998 | — | ◇ UNVERIFIED |
| LCLathrop Cellars, LLC | Coeur D Alene | ID | Beverage and Tobacco Product Manufacturing312130 | — | ◇ UNVERIFIED |
| LGLewis Grain Growers | Lewiston | ID | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| LILightwave Innovations, Inc. | Nampa | ID | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
