| OHOmnisource Heavy Media | Fort Wayne | IN | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| ONOp Nutrition LLC | Peru | IN | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| OPOrc Plastics - Rostone | Lafayette | IN | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| OCOzinga Cement Incorporated Contractor of Cleveland-cliffs Bu | Burns Harbor | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| PAPace American, INC. | Bristol | IN | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| PCPackaging Corporation of America | Columbus | IN | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| PCPaladin Caseworks INC | South Bend | IN | Furniture and Related Product Manufacturing337211 | 1-19 | ◇ UNVERIFIED |
| POPallet One, Inc.-treatment Plant #2 | Shipshewana | IN | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| PP-americas | Indianapolis | IN | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| PPParagon Plastics L L C | Garrett | IN | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| PCParke County Veneer | Montezuma | IN | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| PHParker Hannifin New Haven | New Haven | IN | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| PPParkland Plastics, INC. | Middlebury | IN | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| PAParson Adhesives Incorporated | Evansville | IN | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| PCParts Cleaning Technologies LLC | Indianapolis | IN | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
 Patrick Industries Dba Maple City Woodworking - Plant 3 | Goshen | IN | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| PIPatrick Industries INC | Bristol | IN | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PMPatrick Metals | Mishawaka | IN | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| PPPatriot Paint, LLC | Portland | IN | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PHPaul H Rohe CO #3 | Versailles | IN | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PHPaul H Rohe Company INC | Greensburg | IN | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PHPaul H Rohe Company Incorporated | Aurora | IN | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PHPci Holdings LLC | Indianapolis | IN | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| PSPearl Street Arts Center | Fort Wayne | IN | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| PCPennville Custom Cabinet | Portland | IN | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| PPPen Products - Miami Corr Fac | Bunker Hill | IN | Transportation Equipment Manufacturing336213 | — | ◇ UNVERIFIED |
| PGPepsi-cola General Bottlers of Munster | Munster | IN | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
 Perfection Bakeries INC | Lowell | IN | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| PFPerformance Food Group | Kendallville | IN | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| PPPerformance Painting System, LLC | Elkhart | IN | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| PRPeters Revington Furniture | Delphi | IN | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| PIPfizer INC | Terre Haute | IN | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| PBPhend & Brown INC | Leesburg | IN | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PBPhend & Brown INC | Silver Lake | IN | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PPPhillips Patterns & Castings, INC | Muncie | IN | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| PSPhoenix Services LLC | Chesterton | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| PMPine Manor INC. Dba, Miller Poultry | Nappanee | IN | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| PIPlasfinco, INC. | North Vernon | IN | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PDPlastech Decorating Systems, INC. | Elwood | IN | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| PUPlycem USA Incorporated | Terre Haute | IN | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| PBPoet Biofiring - Clinton (sp - Biorefini | Clinton | IN | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| PBPoet Biorefining - Farmersburg | Farmersburg | IN | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| PBPoet Biorefining - West Lebanon | West Lebanon | IN | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| PKPolar King International INC | Fort Wayne | IN | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| PDPolyone Designed Structures & | Warsaw | IN | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| PTPomp's Tire Service, INC. | Hammond | IN | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| PAPosco - Aapc | Jeffersonville | IN | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| PIPpg Industries | Kokomo | IN | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| PLPq LLC | Clarksville | IN | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PIPrairie Industries | Lebanon | IN | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
