| KOKeystone Office | Churubusco | IN | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| KIKnauf Insulation Plant 3 | Shelbyville | IN | Nonmetallic Mineral Product Manufacturing327993 | 100-499 | ◐ LIKELY ACTIVE |
| KSKuert - South Bend 601 | South Bend | IN | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| MMaxwell | Maxwell | IN | Nonmetallic Mineral Product Manufacturing327332 | 100-499 | ◐ LIKELY ACTIVE |
| MTMidwest Tile and Concrete | Woodburn | IN | Nonmetallic Mineral Product Manufacturing327332 | 20-99 | ◐ LIKELY ACTIVE |
| NGNational Gypsum Jasper Plant | Rensselaer | IN | Nonmetallic Mineral Product Manufacturing327420 | 20-99 | ◐ LIKELY ACTIVE |
| NPNipro PharmaPackaging | Westport | IN | Nonmetallic Mineral Product Manufacturing327213 | 20-99 | ◐ LIKELY ACTIVE |
| OOOmpi of America, Inc. Fishers | Fishers | IN | Nonmetallic Mineral Product Manufacturing327215 | 100-499 | ◐ LIKELY ACTIVE |
| OEOPTA East Chicago Plant | East Chicago | IN | Nonmetallic Mineral Product Manufacturing327992 | 1-19 | ◐ LIKELY ACTIVE |
| PMPatten Monument of Indiana | Warsaw | IN | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| P1Plant 1 - Washington | Washington | IN | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| P2Plant 2 - Vincennes | Vincennes | IN | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| P7Plant 7 Insul-Courtic Corp | Fort Wayne | IN | Nonmetallic Mineral Product Manufacturing327993 | 20-99 | ◐ LIKELY ACTIVE |
| P7Plant 7 - Terre Haute | Terre Haute | IN | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| PPPortland Plant 114 | Portland | IN | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| PSPrestress Services Transportation | Decatur | IN | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| PCPyrotek Columbia City | Columbia City | IN | Nonmetallic Mineral Product Manufacturing327999 | 20-99 | ◐ LIKELY ACTIVE |
| RSRefractory Service Corp. | Hammond | IN | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| RSRefractory Service Corporation-East Chicago | East Chicago | IN | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| RRichmond | Richmond | IN | Textile Product Mills314999 | 100-499 | ◐ LIKELY ACTIVE |
| RPRichmond Plant 110 | Richmond | IN | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RCRobust Ceramics Corporation | Lafayette | IN | Nonmetallic Mineral Product Manufacturing327999 | — | ◐ LIKELY ACTIVE |
SCHOTT North America, Home Tech | Vincennes | IN | Nonmetallic Mineral Product Manufacturing327215 | 100-499 | ◐ LIKELY ACTIVE |
| SPSellersburg Plant 930 | Sellersburg | IN | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SWSexton Wilbert Corp | Bloomington | IN | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| SPS&M Precast | Henryville | IN | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| SBSouth Bend, IN Yard 360 | South Bend | IN | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SBSpectrum Brands, Inc. - NBV | Noblesville | IN | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| S1StairSupplies-Plant 1W, 1614 Eisenhower Dr. North | Goshen | IN | Nonmetallic Mineral Product Manufacturing327215 | 1-19 | ◐ LIKELY ACTIVE |
| UIUSB Indiana, LLC | Mooresville | IN | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| UGUS Gypsum East Chicago | East Chicago | IN | Nonmetallic Mineral Product Manufacturing327420 | 100-499 | ◐ LIKELY ACTIVE |
| WPWaterloo Plant | Waterloo | IN | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| WCWhitestown - CPL | Whitestown | IN | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| WBWilbert Burial Vault of Ft. Branch | Fort Branch | IN | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◐ LIKELY ACTIVE |
| WBWilbert Burial Vault of Ft. Branch | Ft. Branch | IN | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◐ LIKELY ACTIVE |
| ZZionsville | Zionsville | IN | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| JCJjs Concrete Construction LLC | Montgomery | IN | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◇ UNVERIFIED |
| LTLaminated Tops of Central Indiana | Bloomington | IN | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◇ UNVERIFIED |
| OSOlympia Stone II, LTD. | Zionsville | IN | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◇ UNVERIFIED |
| PRPeoples Ready Mix INC | Kentland | IN | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| WMWimmer Manufacturing, Inc. | New Castle | IN | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◇ UNVERIFIED |
| 1S104362 - Sinclair Glass | Hartford City | IN | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| 1B104491 - Blue Star Ready Mix Corporation | Noblesville | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| 1P104563 - Pyrotek Incorporated | Columbia City | IN | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| 1P104617 - Pittsburgh Glass Works | Evansville | IN | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| 1L104686 - Lafargeholcim | East Chicago | IN | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| 1S105025 - Spurlino Materials of Indianapolis LLC | Indianapolis | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| 1C105237 - Carlex Glass of Indiana Incorporated | Ligonier | IN | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| 1B105253 - Buzzi Unicem USA | Greencastle | IN | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| 1K105559 - Kokomo Opalescent Glass Company | Kokomo | IN | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |