| RCRolls-royce Corporation | Indianapolis | IN | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| RMRoman Marblene CO INC | Corydon | IN | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| RSRoss Sand Casting Industries, Inc., Plan | Winchester | IN | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| RFRoyal Food Products Incorporated | Indianapolis | IN | Food Manufacturing311941 | — | ◇ UNVERIFIED |
 Satellite Industries | Bristol | IN | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| SFSaw Finishing | Shipshewana | IN | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| STSca Tissue North America LLC | Gary | IN | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| SLSchlage Lock Company LLC | Indianapolis | IN | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| SCSchmidt Cabinet Company, INC. | New Salisbury | IN | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| SESchneider Electric USA Incorporated | Peru | IN | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ◇ UNVERIFIED |
| SGSchott Gemtron Corporation | Vincennes | IN | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| SHSchott Home Tech North America, INC. | Vincennes | IN | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| SCSchwab Corporation | Cannelton | IN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SBScott Brass, INC. | New Carlisle | IN | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| SCSealy Components Group | Rensselaer | IN | Fabricated Metal Product Manufacturing332613 | — | ◇ UNVERIFIED |
| SSSellersburg Stone CO INC | Sellersburg | IN | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SMShelby Materials | Westfield | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SMShelby Materials Incorporated | Indianapolis | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SPShelbyville Plating & Polishing Company | Shelbyville | IN | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SCSherwin-williams Company | Jeffersonville | IN | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| STShipshe Trailer | Shipshewana | IN | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| SPShorewood Packaging Corporation | Indianapolis | IN | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| SVSiemens Vdo | Elkhart | IN | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| SESigma Equipment | Evansville | IN | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SGSignature Graphics, INC. | Porter | IN | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| SCSilgan Container CORP | Laporte | IN | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| SUSimtra US LLC | Bloomington | IN | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| SISjc Industries CORP. Dba Marque and Mcco | Elkhart | IN | Transportation Equipment Manufacturing336112 | — | ◇ UNVERIFIED |
| SCSkyline Corporation | Elkhart | IN | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| SCSmc Corporation of America | Indianapolis | IN | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| SHSmi Holding LLC C/o Siemens Corporation | Princeton | IN | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| SMSmiths Medical Asd, INC. | Gary | IN | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| SGSms Group Incorporated | Gary | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SRSmyrna Ready Mix Concrete LLC Plant #212 | Aurora | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SSSoil Solutions CO. | Elkhart | IN | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SUSolvay USA Incorporated | Hammond | IN | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| SLSouthwire LLC | Bremen | IN | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| SWSpecialized Wood Products | Elkhart | IN | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SHSpecialty Hardwoods of Indiana, INC. (nappanee Plant) | Nappanee | IN | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| SISpectronics INC | Evansville | IN | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SVSprings Valley Manufacturing | West Baden Springs | IN | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| SAS&s Auto Parts | New Palestine | IN | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| SGStandard Glas, Star Glas INC. | Bremen | IN | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| SRStandard Register Company | Terre Haute | IN | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SBStarcraft Bus Division of Forest River | Goshen | IN | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| STStark Truss Company INC | Rensselaer | IN | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| SPState Plating | Elwood | IN | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SWSteel Warehouse CO LLC | South Bend | IN | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| SCStella-jones CORP | Terre Haute | IN | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| SBSterling Boiler and Mechanical, INC. | Evansville | IN | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
