| ISIndependent Steel LLC | Manassas | VA | — | ◇ UNVERIFIED |
| IPInDesign Products Inc, | Boise | ID | — | ◇ UNVERIFIED |
| IMIndiana Model Company Incorporated - Plant 1 | Indianapolis | IN | — | ◇ UNVERIFIED |
| IMIndiana Model Company Incorporated - Plant 2 | Indianapolis | IN | — | ◇ UNVERIFIED |
| ISIndiana Steel and Engineering Corporation | Bedford | IN | — | ◇ UNVERIFIED |
| ITInduction Technology - Apple Valley | Apple Valley | CA | — | ◇ UNVERIFIED |
| ICIndustrial Contractors | Evansville | IN | — | ◇ UNVERIFIED |
| IDIndustrial Design Fabrication & Installation, INC. | Sioux City | IA | — | ◇ UNVERIFIED |
| IFIndustrial Fabricating INC. | East Syracuse | NY | — | ◇ UNVERIFIED |
| IFIndustrial Fabricating Systems INC | Milford | MI | — | ◇ UNVERIFIED |
| IFIndustrial Fabrication Corporation | Saint Martinville | LA | — | ◇ UNVERIFIED |
| IFIndustrial Fabrication Services INC | Lake Crystal | MN | — | ◇ UNVERIFIED |
| IFIndustrial Fabrication Services INC | Lake Crystal | MN | — | ◇ UNVERIFIED |
| IFIndustrial Fabrication Services, LLC | Sand Springs | OK | — | ◇ UNVERIFIED |
| IFIndustrial Fabricators | Gastonia | NC | — | ◇ UNVERIFIED |
| IFIndustrial Fabricators INC. | Gastonia | NC | — | ◇ UNVERIFIED |
| IFIndustrial Fabricators, INC - Vc Plant | Gastonia | NC | — | ◇ UNVERIFIED |
| IFIndustrial Fabricators of Virgina INC | Verona | VA | — | ◇ UNVERIFIED |
| IFIndustrial Fabricators of Virginia INC | Fishersville | VA | — | ◇ UNVERIFIED |
| IFIndustrial Finishing Services INC | Erlanger | KY | — | ◇ UNVERIFIED |
| IMIndustrial Machine and Fabrication, INC. | Huntington | WV | — | ◇ UNVERIFIED |
| IMIndustrial Machine Company | Oklahoma City | OK | — | ◇ UNVERIFIED |
| IMIndustrial Machine & Fabrication INC | Memphis | TN | — | ◇ UNVERIFIED |
| IMIndustrial Machine & Mfg CO | South El Monte | CA | — | ◇ UNVERIFIED |
| IMIndustrial Machinery Services 314, LLC | Gainesville | GA | — | ◇ UNVERIFIED |
| IMIndustrial Machinery Services 314, LLC | Gainesville | GA | — | ◇ UNVERIFIED |
| IMIndustrial Machine - Tool Company, INC. | Somerset | KY | — | ◇ UNVERIFIED |
| IMIndustrial Machining & Fabrication INC | Woodburn | OR | — | ◇ UNVERIFIED |
| IMIndustrial Manufacturing and Installations, Inc | Sedalia | CO | — | ◇ UNVERIFIED |
| IMIndustrial Mechanical Contractors LLC | Meridian | MS | — | ◇ UNVERIFIED |
| IMIndustrial Mechanical, INC. | Hartwell | GA | — | ◇ UNVERIFIED |
| IMIndustrial Metal Fabricators | Marine City | MI | — | ◇ UNVERIFIED |
| IPIndustrial Pipe Fittings LLC Dba Plasson USA | Corsicana | TX | — | ◇ UNVERIFIED |
| IPIndustrial Piping Corporation | Staunton | VA | — | ◇ UNVERIFIED |
| IPIndustrial Piping Corporation | Staunton | VA | — | ◇ UNVERIFIED |
| IPIndustrial Plating & Machine, INC. | Bluefield | WV | — | ◇ UNVERIFIED |
| IPIndustrial Precision Coatings INC | Randolph | MA | — | ◇ UNVERIFIED |
| ISIndustrial Service and Design, LLC | Williamston | MI | — | ◇ UNVERIFIED |
| ISIndustrial Services & Solutions LLC | Tullahoma | TN | — | ◇ UNVERIFIED |
| ISIndustrial Shaft & Mfg Inc. | Willoughby | OH | — | ◇ UNVERIFIED |
| ISIndustrial Sheetmetal & Fabricators, INC. | Vidor | TX | — | ◇ UNVERIFIED |
| ISIndustrial Steel Construction Incorporated | Gary | IN | — | ◇ UNVERIFIED |
| ISIndustrial Steel Fabrication, Incorporated | Hazelwood | MO | — | ◇ UNVERIFIED |
| ISIndustrial Steel Fabricators, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
 Industrial Tool & Die Co., INC. | Harlingen | TX | — | ◇ UNVERIFIED |
| ITIndustrial Tool & Die Design Inc | Paramount | CA | — | ◇ UNVERIFIED |
| ITIndustrial Tooling & Fabrication, INC. | Bowdon | GA | — | ◇ UNVERIFIED |
| ITIndustrial Toolz INC | Kenosha | WI | — | ◇ UNVERIFIED |
| ITIndustrial Tube Components, Inc | Lizton | IN | — | ◇ UNVERIFIED |
| ILIndustries Little York LLC | Houston | TX | — | ◇ UNVERIFIED |
