| ITIntermet Technical Center | Lynchburg | VA | — | ◇ UNVERIFIED |
| ISIntermountain Superform INC | American Fork | UT | — | ◇ UNVERIFIED |
| IAInternational Automotive Componenets Group North America, INC. | Ft Mcclellan | AL | — | ◇ UNVERIFIED |
| IAInternational Automotive Components | Plymouth | MI | — | ◇ UNVERIFIED |
| IAInternational Automotive Components | Holmesville | OH | — | ◇ UNVERIFIED |
| ICInternational Cargo Equipment | Wilmington | CA | — | ◇ UNVERIFIED |
| ICInternational Custom Controls | Tulsa | OK | — | ◇ UNVERIFIED |
| IMInternational Machine & Tool INC | Hendersonville | TN | — | ◇ UNVERIFIED |
| IMInternational Manufacturers Representatives | Baton Rouge | LA | — | ◇ UNVERIFIED |
| ISInternational Steel Service Corporation | Los Angeles | CA | — | ◇ UNVERIFIED |
| ISInternational Steel Service Corporation | Compton | CA | — | ◇ UNVERIFIED |
| ITInternational Titanium Corporation | New Brighton | PA | — | ◇ UNVERIFIED |
| ITInternational Tool, INC. | Trempealeau | WI | — | ◇ UNVERIFIED |
| IMInterstate Machine Works | Ringgold | GA | — | ◇ UNVERIFIED |
| ITInterstate Tool Corp | Cleveland | OH | — | ◇ UNVERIFIED |
| IPInteva Products, LLC. | Brownsville | TX | — | ◇ UNVERIFIED |
 Intrepid Industries, INC. | Lebanon | NJ | — | ◇ UNVERIFIED |
| IMIntricate Manufacturing Company | Lynchburg | VA | — | ◇ UNVERIFIED |
| IRIntuitive Racing Inc. | Oceanside | CA | — | ◇ UNVERIFIED |
| IRInvacare Respiratory Prods Group | Sanford | FL | — | ◇ UNVERIFIED |
| IPInvalid Portable Geo-blaster | Sheridan | WY | — | ◇ UNVERIFIED |
| ICInvensys Climate Controls | Long Beach | CA | — | ◇ UNVERIFIED |
| IIInventitives INC | Buffalo | MN | — | ◇ UNVERIFIED |
| IRInvictus Real Estate II, LLC | New Berlin | WI | — | ◇ UNVERIFIED |
 Invio Automation | Hudson | NH | — | ◇ UNVERIFIED |
| ISInvisible Structures, INC. | Aurora | CO | — | ◇ UNVERIFIED |
| IMIpa Machining LLC | Casper | WY | — | ◇ UNVERIFIED |
| IFIpc Fabricators LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| IIIpeg INC | Pinconning | MI | — | ◇ UNVERIFIED |
| ICIql CORP | Louisville | KY | — | ◇ UNVERIFIED |
| ICIql Corporation | Louisville | KY | — | ◇ UNVERIFIED |
| ISIqm Solutions, LLC | Antioch | IL | — | ◇ UNVERIFIED |
| IQI Q Nut & Bolt INC | Corona | CA | — | ◇ UNVERIFIED |
| IMIrl Mex Manufacturing INC Dba Union Swiss Manufacturing | Glendale | CA | — | ◇ UNVERIFIED |
| ITIrmko Tool Works, INC. | Bensenville | IL | — | ◇ UNVERIFIED |
| ICIron Circle | Tracy | CA | — | ◇ UNVERIFIED |
| IDIron Design By Jeremy, LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| IEIron Edge Mfg., LLC | Prescott | AZ | — | ◇ UNVERIFIED |
| IFIron Factory the | Escondido | CA | — | ◇ UNVERIFIED |
| IFIron Fortress Security | Columbus | OH | — | ◇ UNVERIFIED |
| IMIronhorse Motorsports | Madera | CA | — | ◇ UNVERIFIED |
| ISIronman Safe Company, LLC | Dalton Gardens | ID | — | ◇ UNVERIFIED |
| I5Ironwood 53 LLC | Rock Valley | IA | — | ◇ UNVERIFIED |
| IHIroquois Hoods and Cabinets LLC | Muskegon | MI | — | ◇ UNVERIFIED |
| IIIroquois Industries INC | Warren | MI | — | ◇ UNVERIFIED |
| IIIrwin Industrial Tool | Gorham | ME | — | ◇ UNVERIFIED |
| ITIrwin Tools | Gorham | ME | — | ◇ UNVERIFIED |
| ILIsbell Lifts LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| IPIsc Plating | Leslie | MI | — | ◇ UNVERIFIED |
| ILIsf, LLC | Wichita | KS | — | ◇ UNVERIFIED |
| IFIsland Forest Industrial, L.l.c. | Lincolnton | NC | — | ◇ UNVERIFIED |
| IMIsland Machine Works INC | Galveston | TX | — | ◇ UNVERIFIED |
| ITIsland Tool and Die INC | Pine Island | MN | — | ◇ UNVERIFIED |
| IDIsm Dba Air Nail Company | South Gate | CA | — | ◇ UNVERIFIED |
| ITIsometric Tool & Design | New Richmond | WI | — | ◇ UNVERIFIED |
| ICIsopure, Corp. | Louisville | KY | — | ◇ UNVERIFIED |
| INIsuzu North America CORP. | Buena Park | CA | — | ◇ UNVERIFIED |
| IMI-tek Medical Technologies LLC | White Bear Lake | MN | — | ◇ UNVERIFIED |
| IPIto Packing Co., INC. | Reedley | CA | — | ◇ UNVERIFIED |
| IBItw Bee Leitzke | Hustisford | WI | — | ◇ UNVERIFIED |
| IBItw Building Components Group, INC | Litchfield | IL | — | ◇ UNVERIFIED |
| ICItw Commercial Construction Products (roselle) | Roselle | IL | — | ◇ UNVERIFIED |
| IDItw Deltar | Tinley Park | IL | — | ◇ UNVERIFIED |
| IIItw - I Kela CO | Sarasota | FL | — | ◇ UNVERIFIED |
| IMItw Medalist | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| INItw NA Metal Fasteners | Broadview | IL | — | ◇ UNVERIFIED |
| INItw North America Metal Fasteners | Elgin | IL | — | ◇ UNVERIFIED |
| IRItw Ramset | Paris | KY | — | ◇ UNVERIFIED |
| ISItw Shakeproof | Broadview | IL | — | ◇ UNVERIFIED |
| ISItw - Shakeproof Group | Iron Ridge | WI | — | ◇ UNVERIFIED |
| ISItw Shakeproof Industrial Threaded Products | Chicago | IL | — | ◇ UNVERIFIED |
| IAItwtech and Itw Linx | Carol Stream | IL | — | ◇ UNVERIFIED |
| IKIv Kings Transport | Anaheim | CA | — | ◇ UNVERIFIED |
| IBIwata Bolt USA INC | Nashville | TN | — | ◇ UNVERIFIED |
| IBIzza Bending Tube - Wire INC | Buffalo | MN | — | ◇ UNVERIFIED |
| JPJaab Precision | Bohemia | NY | — | ◇ UNVERIFIED |
| JFJab Fab, Inc. | Medical Lake | WA | — | ◇ UNVERIFIED |
| J4Jabil 4050 Technology | Fremont | CA | — | ◇ UNVERIFIED |
| JCJabil Circuit INC | Livermore | CA | — | ◇ UNVERIFIED |
| JCJack Chidgey & Son LLC | El Cajon | CA | — | ◇ UNVERIFIED |
| JMJackson Machine & Mfg, INC | Jackson | MO | — | ◇ UNVERIFIED |
| JMJackson Metalworks, INC. | Jackson | AL | — | ◇ UNVERIFIED |
| JPJackson Plating & Polishing Inc-jackson Plating & Polishing INC | Kansas City | MO | — | ◇ UNVERIFIED |
| JTJackson Tool - Mold LLC | Hebron | KY | — | ◇ UNVERIFIED |
| JSJacksonville Steel Company | Little Rock | AR | — | ◇ UNVERIFIED |
| JPJac Products | Napoleon | OH | — | ◇ UNVERIFIED |
| JMJacquet Metal Service | Carson | CA | — | ◇ UNVERIFIED |
| JLJacrec LLC | Anamosa | IA | — | ◇ UNVERIFIED |
| JEJade Equipment Corporation | Huntingdon Valley | PA | — | ◇ UNVERIFIED |
| JTJaeckel Tool and Manufacturing INC | Fontana | CA | — | ◇ UNVERIFIED |
| JAJ a Gerger Steel Fabrication | Columbus | NE | — | ◇ UNVERIFIED |
| JLJag Land Engines | Sun Valley | CA | — | ◇ UNVERIFIED |
| JIJake's Inc. | Aurora | IL | — | ◇ UNVERIFIED |
| JIJake's Inc. | Aurora | IL | — | ◇ UNVERIFIED |
| JMJakes Machining & Rebuilding Service, Inc. | Aurora | IL | — | ◇ UNVERIFIED |
| JMJakes Machining & Rebuilding Service, INC. | Aurora | IL | — | ◇ UNVERIFIED |
| JMJa Maldonado Associates INC | Trujillo Alto | PR | — | ◇ UNVERIFIED |
| JPJamar Precision Grinding INC. | Hinckley | OH | — | ◇ UNVERIFIED |
| JAJames a Smith CO | Minneapolis | MN | — | ◇ UNVERIFIED |
| JAJames Automotive Industries INC | Anoka | MN | — | ◇ UNVERIFIED |
