| NGNelson Global Products Incorporated | Fort Wayne | IN | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| NUNestle USA INC Beverage Div | Anderson | IN | Food Manufacturing311511 | — | ◐ LIKELY ACTIVE |
| NTNetshape Technologies - Campbellsburg Facility | Campbellsburg | IN | Fabricated Metal Product Manufacturing332117 | — | ◐ LIKELY ACTIVE |
| NINew Indy Containerboard Hartford City Mill | Hartford City | IN | Paper Manufacturing322120 | — | ◐ LIKELY ACTIVE |
| NMNew Millenium Building Systems LLC | Butler | IN | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| NSNhk Seating of America | Frankfort | IN | Transportation Equipment Manufacturing336350 | 500+ | ◐ LIKELY ACTIVE |
| NPNice-pak Products, INC. | Mooresville | IN | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| NCNishikawa Cooper LLC | Topeka | IN | Textile Mills313320 | — | ◐ LIKELY ACTIVE |
| NINlmk Indiana | Portage | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| NFNucor Fastener Shelbyville | Shelbyville | IN | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| NVNucor Vulcraft Group Saint Joe Div | Saint Joe | IN | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
Ofs Brands Holdings INC Plant 3 | Huntingburg | IN | Furniture and Related Product Manufacturing337121 | 100-499 | ◐ LIKELY ACTIVE |
Ofs Brands Holdings INC Plant 9 | Huntingburg | IN | Furniture and Related Product Manufacturing337211 | 20-99 | ◐ LIKELY ACTIVE |
| OBOfs Brands INC Plant #5 | Huntingburg | IN | Furniture and Related Product Manufacturing337211 | 1-19 | ◐ LIKELY ACTIVE |
| OBOfs Brands - Plant 1 | Huntingburg | IN | Furniture and Related Product Manufacturing337211 | 100-499 | ◐ LIKELY ACTIVE |
| OTOil Technology, Inc./u.s. Steel Gary | Gary | IN | Petroleum and Coal Products Manufacturing324199 | — | ◐ LIKELY ACTIVE |
| OKOpta- Kingsbury | Kingsbury | IN | Nonmetallic Mineral Product Manufacturing327410 | 1-19 | ◐ LIKELY ACTIVE |
| OOsborn | Richmond | IN | Chemical Manufacturing325612 | 100-499 | ◐ LIKELY ACTIVE |
| PIPatrick Industries INC Dba Middlebury H | Middlebury | IN | Furniture and Related Product Manufacturing337110 | — | ◐ LIKELY ACTIVE |
| PIPatrick Industries Incorporated Dba Bet | Bremen | IN | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| PIPatrick Industries Incorporated Dba Better Way Products | New Paris | IN | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| PFPerdue Farms Incorporated, Washington Facility | Washington | IN | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| PBPermabase Building Products, LLC | Clinton | IN | Nonmetallic Mineral Product Manufacturing327310 | 20-99 | ◐ LIKELY ACTIVE |
| PPPioneer Packaging LLC | Portland | IN | Wood Product Manufacturing321920 | 1-19 | ◐ LIKELY ACTIVE |
| PFPlymouth Foundry Incorporated | Plymouth | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| PTPlymouth Tube Company | Winamac | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| PPPratt Paper (in) LLC | Valparaiso | IN | Paper Manufacturing322121 | 100-499 | ◐ LIKELY ACTIVE |
Precision Rings Incorporated | Indianapolis | IN | Transportation Equipment Manufacturing336310 | — | ◐ LIKELY ACTIVE |
| PTPrecision Tank & Equipment | Ligonier | IN | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| PMPrecoat Metals a Division of Sequa CORP | Greenfield | IN | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| PCPremium Custom Painting Company | Elkhart | IN | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| PPPrinting Partners Incorporated | Indianapolis | IN | Printing and Related Support Activities323111 | 100-499 | ◐ LIKELY ACTIVE |
| PMProgressive Materials | New Albany | IN | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| PSPvs Steel Services INC | Portage | IN | Chemical Manufacturing325131 | — | ◐ LIKELY ACTIVE |
| PSPvs Steel Services INC | Grandview | IN | Chemical Manufacturing325131 | — | ◐ LIKELY ACTIVE |
| PFPwc Fabrication | Fort Wayne | IN | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| PIPwi Incorporated | Nappanee | IN | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| QTQuick Tanks, INC. | Kendallville | IN | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| RPRaybestos Powertrain LLC | Sullivan | IN | Transportation Equipment Manufacturing336350 | 100-499 | ◐ LIKELY ACTIVE |
| RPRaybestos Powertrain LLC | Crawfordsville | IN | Chemical Manufacturing325520 | — | ◐ LIKELY ACTIVE |
| RPRaybestos Powertrain, LLC | Sullivan | IN | Transportation Equipment Manufacturing336350 | — | ◐ LIKELY ACTIVE |
| RPRbc Precision Products | Bremen | IN | Fabricated Metal Product Manufacturing332991 | — | ◐ LIKELY ACTIVE |
| RCReagent Chemical & Research INC | Knox | IN | Miscellaneous Manufacturing339920 | — | ◐ LIKELY ACTIVE |
| RMRea Magnet Wire CO INC | Fort Wayne | IN | Plastics and Rubber Products Manufacturing326291 | — | ◐ LIKELY ACTIVE |
| RSRed Spot Paint & Varnish Company INC | Evansville | IN | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| RPResco Products INC | Hammond | IN | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| RPResonac Powdered Metals America, INC | Greensburg | IN | Primary Metal Manufacturing331492 | 100-499 | ◐ LIKELY ACTIVE |
| RERiley Equipment | Vincennes | IN | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| RCRock-tenn Company | Eaton | IN | Paper Manufacturing322130 | — | ◐ LIKELY ACTIVE |
| SISaco Industries Incorporated | Lowell | IN | Furniture and Related Product Manufacturing337110 | 100-499 | ◐ LIKELY ACTIVE |