| TMThermafiber Manufacturing Plant | Wabash | IN | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| COCoast Oem LLC | Kokomo | IN | Nonmetallic Mineral Product Manufacturing327112 | 1-19 | ◇ UNVERIFIED |
| AAAmerican Art Clay Company | Indianapolis | IN | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| ACAmerican Colloid Company | Troy | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| AGA.p. Green Refactories INC. | Gary | IN | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| APAtmi Plant 2 | Greenfield | IN | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| AMAtwood Mobile Products, LLC | Elkhart | IN | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| BABpb America INC | Lagro | IN | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| CCCash Concrete Products Plant 1 | Greencastle | IN | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CCCash Concrete Russellville Plant | Russellville | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCimbar Performance Minerals | Mount Vernon | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CBColonial Brick Corporation | Cayuga | IN | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| CHColumbian Home Products, LLC | Terre Haute | IN | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| CMCore Metals Group LLC (mpm Facility) | Aurora | IN | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| EMEdge Materials LLC | Cloverdale | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FMFewell Monument - Production Facility | Scottsburg | IN | Chemical Manufacturing325181 | — | ◇ UNVERIFIED |
| GAGuardian Automotive Products Incorporated | Auburn | IN | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| HRHarsco - Reed Minerals Division | Gary | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HHHi Hill Ready Mix Company | Seymour | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| IGIndiana Glass Company, INC. | Dunkirk | IN | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| ILIndiana Limestone Supply Incorporated | Spencer | IN | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| IMIrving Materials INC | Salem | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| IMIrving Materials INC Bloomfield | Bloomfield | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| IMIrving Materials INC Danville | Danville | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| IMIrving Materials Incorporated | Brazil | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| IMIrving Materials INC Remington | Remington | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| JSJones & Sons Bloomfield | Bloomfield | IN | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| KIKeramos INC | Indianapolis | IN | Nonmetallic Mineral Product Manufacturing327113 | — | ◇ UNVERIFIED |
| LCLippert Components INC. Plant 119 | Bristol | IN | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| MIMenard Incorporated | Terre Haute | IN | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| NANorth American Refractories (narco) | Gary | IN | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| NBNorthfield Block Company | Indianapolis | IN | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OCOzinga Cement Incorporated Contractor of Cleveland-cliffs Bu | Burns Harbor | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| PSPhoenix Services LLC | Chesterton | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| PUPlycem USA Incorporated | Terre Haute | IN | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| PIPpg Industries | Kokomo | IN | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| RERetek Engineering Solutions LLC Dba Anc | Elkhart | IN | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| RCRichmond Concrete Richmond Plant Division of Ernst Enterprises | Richmond | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RARieter Automotive North America | Lowell | IN | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| SGSchott Gemtron Corporation | Vincennes | IN | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| SHSchott Home Tech North America, INC. | Vincennes | IN | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| SMShelby Materials | Westfield | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SMShelby Materials Incorporated | Indianapolis | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ 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 |
| SMSynergy Management | Monon | IN | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| TATrans Agg,inc. Dba Gibbco, INC. | Lawrenceburg | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| 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 |
