| MGModerne Glass CO INC | Aliquippa | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◐ LIKELY ACTIVE |
| MSMt Savage Spec Ref/curwensville Plt | Curwensville | PA | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| M1Multiserv/plt 18 Steelton | Steelton | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| MKMurray Keystone Processing Inc/keystone Cleaning Plt | Indiana | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| NFNatl Fuel Gas Supply/east Fork Comp Sta | Austin | PA | Nonmetallic Mineral Product Manufacturing327332 | — | ◐ LIKELY ACTIVE |
| NFNatl Fuel Gas Supply/ellisburg Sta | Ellisburg | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| NFNatl Fuel Gas Supply/lamont Comp Sta | Kane | PA | Nonmetallic Mineral Product Manufacturing327400 | — | ◐ LIKELY ACTIVE |
| RCRahns Concrete Batch Plant | Rahns | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RCRc Concrete | Burgettstown | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RPResco Products Inc/new Castle Plant | New Castle | PA | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| RCRiverside Const Materials/bristol Twp | Bristol | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RRoyersford | Royersford | PA | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ◐ LIKELY ACTIVE |
| RHRwe Holding CO - West Pittsburg Plant | New Castle | PA | Nonmetallic Mineral Product Manufacturing327999 | — | ◐ LIKELY ACTIVE |
| SCSaint-Gobain Ceramics | Olyphant | PA | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ◐ LIKELY ACTIVE |
| SBSilhol Builders Supply | Bridgeville | PA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SCStone & CO INC Canonsburg Plt | Canonsburg | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TBThe Bauer Company INC. | Worthington | PA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| UCUniontown Concrete Plt | Hopwood | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| UCUniversal Concrete Products Corporation | Stowe | PA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| UGUS Gypsum Washingtonville | Danville | PA | Nonmetallic Mineral Product Manufacturing327420 | 100-499 | ◐ LIKELY ACTIVE |
| WKWorld Kitchen LLC - Charleroi Plant | Charleroi | PA | Nonmetallic Mineral Product Manufacturing327212 | — | ◐ LIKELY ACTIVE |
| AMAllegheny Mineral Harrisville | Harrisville | PA | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| ACAlumina Ceramic Components INC | Latrobe | PA | Nonmetallic Mineral Product Manufacturing327120 | 1-19 | ◐ LIKELY ACTIVE |
| AAAnchor an Oldcastle CO | Fredonia | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| ACAnchor Concrete Fredonia Plt | Fredonia | PA | Nonmetallic Mineral Product Manufacturing327332 | — | ◐ LIKELY ACTIVE |
| ATArconic Tech LLC - Arconic Tech Center | New Kensington | PA | Nonmetallic Mineral Product Manufacturing327125 | — | ◐ LIKELY ACTIVE |
| BIBbgy INC Dba Boger Concrete Company | Annville | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| BIBlend-pro INC | Allentown | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| BIBpi Inc-greenville Pa Plant | Greenville | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| BIBpi INC - Schenley Pa Plant | Schenley | PA | Nonmetallic Mineral Product Manufacturing327999 | — | ◐ LIKELY ACTIVE |
| CCCentre Concrete CO State College Plt | State College | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| CCCentre Concrete State College Plt | State College | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| DCDaniels Concrete Batch Plt | Greensburg | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| DRDevido Ranier Stone CO | New Castle | PA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| DSDoolittle Stone Saw Shop | Montrose | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◐ LIKELY ACTIVE |
| DEDown East Fabrication, Inc. | Mechanicsburg | PA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| ECEastern Concrete Materials INC Dba Architectural Precast | Middleburg | PA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| ESEldorado Stone - Greencastle (antrim Commons) | Greencastle | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| EHEp Henry | Parker Ford | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| EEEvans Eagle Burial Vaults Mfg Leola | Leola | PA | Nonmetallic Mineral Product Manufacturing327332 | — | ◐ LIKELY ACTIVE |
| GHGeneration Holdings Lp/colver Processing Fac | Colver | PA | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| GGGlen Gery Corporation Reading Plant | Wyomissing | PA | Nonmetallic Mineral Product Manufacturing327121 | 500+ | ◐ LIKELY ACTIVE |
| HPHanover Prest Paving Brick Plt | Hanover | PA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| HCHma Concrete LLC Dba Heritage Concrtete Avondale Facility | Avondale | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| IMIsp Minerals Charmian Quarry | Blue Ridge Summit | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| KQKutztown Quarry | Kutztown | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| LCLafarge CORP Duquesne_plant | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| NCNitterhouse Concrete Prod | Chambersburg | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
Oldcastle Infrastructure Inc/telford | Telford | PA | Nonmetallic Mineral Product Manufacturing327332 | — | ◐ LIKELY ACTIVE |
| OPOrange Pavers LLC | Stroudsburg | PA | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |