| SCSchwab Corporation | Cannelton | IN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SCSealy Components Group | Rensselaer | IN | Fabricated Metal Product Manufacturing332613 | — | ◇ UNVERIFIED |
| SUSeavac Usa, LLC | Fort Wayne | IN | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| SPShelbyville Plating & Polishing Company | Shelbyville | IN | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SCSilgan Container CORP | La Porte | IN | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| SCSmc Corporation of America | Indianapolis | IN | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| SISpectra, INC. | Mishawaka | IN | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SISpectronics INC | Evansville | IN | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SPState Plating | Elwood | IN | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SPSteel Parts Manufacturing | Tipton | IN | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| SBSterling Boiler and Mechanical, INC. | Evansville | IN | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| SBSterling Boiler & Mechanical LLC | Evansville | IN | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| SRSteve Reiff Incorporated | South Whitley | IN | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| TAT and J Plating INC | Marion | IN | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| TMTaylor Made Systems | Kendallville | IN | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TWTechnical Weighing Services INC | Griffith | IN | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TCThe Canam Steel Corporation | Lafayette | IN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| TRThree Rivers Plating | Fort Wayne | IN | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| TITotal Industries | South Bend | IN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| TSToyoshima Special Steel USA | Indianapolis | IN | Fabricated Metal Product Manufacturing332611 | — | ◇ UNVERIFIED |
| TCTpc Ctp Sheeetmetal Division | Indianapolis | IN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| TFTradeline Fabricating | Lawrenceburg | IN | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| TMTrident Machine Technologies, INC. | Hammond | IN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| UTUnion Tank Car Company | East Chicago | IN | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| VCVentra CORP | Columbus | IN | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| VWVenture Welding (howe) | Howe | IN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| VMVermette Machine Company, INC. | Hammond | IN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| VIVitco INC | Nappanee | IN | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| WEWarsaw Electropolishing | Warsaw | IN | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| WMWastequip Manufacturing Company LLC Dba Galbreath LLC Plant #2 East | Winamac | IN | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| WPWaupaca Pallet, INC. | Troy | IN | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| WPWhitley Products, INC. | Plymouth | IN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| WPWilliamson Polishing & Plating Co., INC. | Indianapolis | IN | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| WSWindsor Steel , INC | Elkhart | IN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| WLWood-mizer, LLC | Indianapolis | IN | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| 0L058 Lci | Elkhart | IN | Fabricated Metal Product Manufacturing332321 | 500+ | ◐ LIKELY ACTIVE |
| 0L083 Lci | Elkhart | IN | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| 0L085 Lci | Goshen | IN | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| 1L148a Lci | Nappanee | IN | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| 3N300 North Finishing Services LLC | Jasper | IN | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| 3I310 - IndianpolisOliver, IN (JSI) | Indianapolis | IN | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| AAA & a Sheet Metal Products INC | La Porte | IN | Fabricated Metal Product Manufacturing332311 | — | ◐ LIKELY ACTIVE |
| AMAbbott Machine company - Highland Indiana | Highland | IN | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| AMABC Metals-Indianapolis | Indianapolis | IN | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| AMAbsolute Machining, LLC | Fort Wayne | IN | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| AFAdvance Fabricators INC | New Albany | IN | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| AEAir Equipment & Engineering, LLC | Air Equipment & Engineering, LLC | IN | Fabricated Metal Product Manufacturing332999 | 1-19 | ◐ LIKELY ACTIVE |
| AAjb | Indianapolis | IN | Fabricated Metal Product Manufacturing332119 | 1-19 | ◐ LIKELY ACTIVE |
| ATAllied Tube & Conduit Kokomo In | Kokomo | IN | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| AFAlpha Fab LLC | Loogootee | IN | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
