Carmeuse Lime & Stone INC | Butler | KY | Nonmetallic Mineral Product Manufacturing327410 | — | ● ACTIVE |
| UPUnited Plate Glass Company (Butler) | Butler | PA | Nonmetallic Mineral Product Manufacturing327215 | 100-499 | ◐ LIKELY ACTIVE |
| CLCarmeuse Lime INC | Butler | KY | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| EIErsvin Inds. INC. Amasteel Div. | Butler, | PA | Nonmetallic Mineral Product Manufacturing327910 | — | ◐ LIKELY ACTIVE |
| HMHarsco Metals - Butler | Butler | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| EAErvin Amasteel-Butler Plant | Butler | PA | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ◐ LIKELY ACTIVE |
| RCReady Concrete Services | Butler | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SGStafford Gravel Incorporated | Butler | IN | Nonmetallic Mineral Product Manufacturing327991 | — | ◐ LIKELY ACTIVE |
| BMButler Mill Service Company | Butler | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| BSBuddy's Sand and Gravel Plant 1 | Butler | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SCSpang & Co/magnetics Div | Butler | PA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| KPKey Precast & Supply, INC. | Butler | PA | Nonmetallic Mineral Product Manufacturing327999 | 1-19 | ◇ UNVERIFIED |
| DHDectile Harkus Construction | Butler | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| FRFcs - Ready Concrete Services - Butler | Butler | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HCHarsco CO Heckett Multiserv Plant 16 | Butler | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SCSemper Concrete Products | Butler | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |