| HIHuhtamaki INC | Marion | IN | Paper Manufacturing322215 | 100-499 | ◐ LIKELY ACTIVE |
| ICIce Cream Specialties, INC | Lafayette | IN | Food Manufacturing311520 | 100-499 | ◐ LIKELY ACTIVE |
| ICId Castings LLC | Noblesville | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
Imagineering Enterprises INC | Indianapolis | IN | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| IBIndiana Bridge INC | Muncie | IN | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| ICIndiana Carton Company | Bremen | IN | Paper Manufacturing322212 | 100-499 | ◐ LIKELY ACTIVE |
| IHIndiana Hardwood Specialists INC | Spencer | IN | Wood Product Manufacturing321918 | 20-99 | ◐ LIKELY ACTIVE |
| ILIndiana Limestone Fabricators | Spencer | IN | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| ITIndiana Tube CORP | Evansville | IN | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| IIIndy Imaging Incorporated | Indianapolis | IN | Printing and Related Support Activities323111 | 100-499 | ◐ LIKELY ACTIVE |
| IMInfinity Molding & Assembly | Mount Vernon | IN | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| IIIngredion Incorporated | Indianapolis | IN | Food Manufacturing311221 | — | ◐ LIKELY ACTIVE |
| IPInternational Paper | Cayuga | IN | Paper Manufacturing322130 | — | ◐ LIKELY ACTIVE |
| IPInternational Paper Midwest Sheets | Tipton | IN | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| JCJupiter Coil Coating Division | Fairland | IN | Primary Metal Manufacturing331315 | — | ◐ LIKELY ACTIVE |
| KIKeihin Ipt Mfg., LLC | Greenfield | IN | Transportation Equipment Manufacturing336310 | — | ◐ LIKELY ACTIVE |
Kilgore Manufacturing CO INC | Columbia City | IN | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
Klinge Enameling Company, INC | Indianapolis | IN | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| KWKoetter Woodworking Incorporated | Borden | IN | Wood Product Manufacturing321918 | 100-499 | ◐ LIKELY ACTIVE |
| KWKountry Wood Products LLC | Nappanee | IN | Wood Product Manufacturing321999 | — | ◐ LIKELY ACTIVE |
| LVLafayette Venetian Blind | West Lafayette | IN | Furniture and Related Product Manufacturing337920 | 100-499 | ◐ LIKELY ACTIVE |
Lagrange Products, INC. | Fremont | IN | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| LHLear Hammond | Hammond | IN | Transportation Equipment Manufacturing336360 | 500+ | ◐ LIKELY ACTIVE |
| LCLehigh Cement CO LLC | Mitchell | IN | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| LEL. E. Johnson Products INC. | Elkhart | IN | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| LILinacast Incorporated Linamar Light Metals Pierceton | Pierceton | IN | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| LWLinde - Whiting, in 5&6 | East Chicago | IN | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
Lippert Components Incorporated Plant 28 | Middlebury | IN | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
Lippert Components Incorporated Plant 4 | Goshen | IN | Fabricated Metal Product Manufacturing332119 | 100-499 | ◐ LIKELY ACTIVE |
| LELiving Essentials | Wabash | IN | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| LDLouis Dreyfus Agricultural Industries,llc | Claypool | IN | Food Manufacturing311222 | — | ◐ LIKELY ACTIVE |
| LMLta Manufacturing | Elkhart | IN | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| LALyondellbasell Advanced Polymers, INC. | Evansville | IN | Chemical Manufacturing325991 | — | ◐ LIKELY ACTIVE |
| MUMaax US CORP | Plymouth | IN | Plastics and Rubber Products Manufacturing326191 | — | ◐ LIKELY ACTIVE |
| MMMac Machine & Metal Works INC | Connersville | IN | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| MPMagna Powertrain East | Muncie | IN | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| MCMasterbrand Cabinets | Huntingburg | IN | Furniture and Related Product Manufacturing337110 | 100-499 | ◐ LIKELY ACTIVE |
| MMMaster Manufacturing Company, INC. | Evansville | IN | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| MAMatthews Aurora LLC | Aurora | IN | Miscellaneous Manufacturing339995 | — | ◐ LIKELY ACTIVE |
| MCMaxon CORP | Muncie | IN | Machinery Manufacturing333414 | — | ◐ LIKELY ACTIVE |
| MFMbci Ferdinand Plt | Ferdinand | IN | Furniture and Related Product Manufacturing337110 | — | ◐ LIKELY ACTIVE |
| MBMeridian Brick LLC | Terre Haute | IN | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| MRMid-states Rubber Products, INC. | Princeton | IN | Plastics and Rubber Products Manufacturing326291 | — | ◐ LIKELY ACTIVE |
| MPMidwestern Pet Foods | Evansville | IN | Food Manufacturing311111 | 100-499 | ◐ LIKELY ACTIVE |
| MLMohawk Laboratories Div Nch CO | Indianapolis | IN | Petroleum and Coal Products Manufacturing324191 | — | ◐ LIKELY ACTIVE |
| MPMomentive Performance Materials | Garrett | IN | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| MDMonosol Duneland Plant | Portage | IN | Chemical Manufacturing325220 | — | ◐ LIKELY ACTIVE |
| MIMpi International LLC | Knox | IN | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| MCMuncie Casting CORP | Muncie | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| NINello Industries, LLC | South Bend | IN | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |