| AGArdagh Glass INC. (port Allegany) | Port Allegany | PA | Nonmetallic Mineral Product Manufacturing327213 | 100-499 | ● ACTIVE |
Bent Glass Design, INC. | Hatboro | PA | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ● ACTIVE |
Bethlehem Pre-cast INC | Bethlehem | PA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
Du-co Ceramics Company | Saxonburg | PA | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ● ACTIVE |
| ECEaton CORP | Beaver | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ● ACTIVE |
Gbc Advanced Materials LLC | Latrobe | PA | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ● ACTIVE |
Gichner Systems Group, INC. | Dallastown | PA | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ● ACTIVE |
High Concrete Group, LLC | Denver | PA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ● ACTIVE |
| MRMagnesita Refractories/york | York | PA | Food Manufacturing311119 | 100-499 | ● ACTIVE |
National Magnetics Group, INC. | Bethlehem | PA | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ● ACTIVE |
| NPNortheast Prestressed Prod LLC | Cressona | PA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ● ACTIVE |
Reading Precast INC | Leesport | PA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
Sauereisen INC | Pittsburgh | PA | Chemical Manufacturing325510 | 20-99 | ● ACTIVE |
Schott North America, INC. | Duryea | PA | Nonmetallic Mineral Product Manufacturing327212 | 100-499 | ● ACTIVE |
Universal Manufacturing CORP. | Zelienople | PA | Nonmetallic Mineral Product Manufacturing327900 | 20-99 | ● ACTIVE |
| UGUS Gypsum CO - Aliquippa Facility | Aliquippa | PA | Nonmetallic Mineral Product Manufacturing327420 | 100-499 | ● ACTIVE |
Veritas Medical Solutions LLC | Harleysville | PA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
| VMVitro Meadville Flat Glass Meadville Plt/crawford | Cochranton | PA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ● ACTIVE |
A.c. Miller Concrete Products, INC | Spring City | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ● ACTIVE |
Certech, INC. | Hanover Township | PA | Nonmetallic Mineral Product Manufacturing327110 | — | ● ACTIVE |
Crystal Imagery, INC | York Springs | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ● ACTIVE |
Graymont (pa) INC. | Bellefonte | PA | Chemical Manufacturing325998 | — | ● ACTIVE |
| GLGreat Lakes Vault & Precast Girard | Girard | PA | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ● ACTIVE |
Kadco Ceramics, LLC | Easton | PA | Nonmetallic Mineral Product Manufacturing327110 | — | ● ACTIVE |
Kopp Glass, INC. | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327212 | 20-99 | ● ACTIVE |
Mcdanel Advanced Ceramic Technologies, LLC | Beaver Falls | PA | Nonmetallic Mineral Product Manufacturing327110 | — | ● ACTIVE |
| RMReed Minerals, LLC | Camp Hill | PA | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ● ACTIVE |
Schott Pharma Usa, INC. | Lebanon | PA | Nonmetallic Mineral Product Manufacturing327212 | 100-499 | ● ACTIVE |
Taktl LLC | Turtle Creek | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ● ACTIVE |
Aero Aggregates of North America LLC | Crum Lynne | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ● ACTIVE |
Ameri Tech Products, LLC | Bethel Park | PA | Nonmetallic Mineral Product Manufacturing327910 | — | ● ACTIVE |
Carmeuse Lime, INC. | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327410 | — | ● ACTIVE |
| HPHanover Prest-paving Company | Hanover | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ● ACTIVE |
Isoclima Specialty Glass LLC | East Butler | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ● ACTIVE |
Lancaster Lime Works INC | Willow Street | PA | Nonmetallic Mineral Product Manufacturing327410 | — | ● ACTIVE |
Macinnis Group LLC | Roaring Spring | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ● ACTIVE |
Magnet Applications, INC. | Dubois | PA | Nonmetallic Mineral Product Manufacturing327110 | — | ● ACTIVE |
Rfsj, INC | Mount Pleasnt | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ● ACTIVE |
(rk)2 Materials, INC. | West Chester | PA | Nonmetallic Mineral Product Manufacturing327110 | — | ● ACTIVE |
Sbg Defense LLC | East Butler | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ● ACTIVE |
Susmax INC | Philadelphia | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ● ACTIVE |
Vitro Flat Glass LLC | Cheswick | PA | Nonmetallic Mineral Product Manufacturing327211 | — | ● ACTIVE |
| OUOpta USA Inc/opta Myoma Plt | Mars | PA | Nonmetallic Mineral Product Manufacturing327992 | 1-19 | ◐ LIKELY ACTIVE |
Sun Precast Co., INC. | Beaver Springs | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
Amrize Cement Inc/whitehall Plt | Whitehall | PA | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| ACArmstrong Cement & Supply - Winfield | Cabot | PA | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| AHAsm Holdco Inc/contact Technologies INC | Saint Marys | PA | Nonmetallic Mineral Product Manufacturing327110 | — | ◐ LIKELY ACTIVE |
| BBetco-easton | Easton | PA | Paper Manufacturing322219 | 20-99 | ◐ LIKELY ACTIVE |
| BABonsal American INC | Bristol | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| DCDal-tile CORP Lincolnway East Plant | Gettysburg | PA | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |