| DBDarlington Brick & Clay/darlington | Darlington | PA | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| DHDectile Harkus Construction | Butler | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| DVDeihl Vault & Precast, INC. | Orangeville | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| DVDelaware Valley Concrete Company, INC. | Conshohocken | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DVDelaware Valley Concrete Company, INC. | Kennett Square | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DRDelta Ready Mix Concrete | Delta | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DSDesavino & Sons, Incorporated | Olyphant | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| DSDiaz Stone and Pallet, INC. | Kingsley | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| DCDlubak CORP | Blairsville | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| DTDon-len Trophies, INC. | Spring Mount | PA | Nonmetallic Mineral Product Manufacturing327420 | — | ◇ UNVERIFIED |
| DEDown East Fabrication, Inc. | Mechanicsburg | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| DIDubrook INC. | Dubois | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| DCDymond's Concrete Products, INC. | Fayetteville | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| ECEagle Concrete Products, INC. | Somerset | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| EIEcumar INC | Middletown | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| ESEldorado Stone, LLC | Greencastle | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| EBEles Brothers Ready Mix Concrete | Monroeville | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ESElwood Staffing Services, INC. | Middletown | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| EMEnvironmental Materials, LLC | Orwigsburg | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| EPE P Henry Corporation | Parker Ford | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| ECEssroc/nazareth Cement Plt 3 | Nazareth | PA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| EIEternit, INC. | Reading | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| EGEveryware Global | Monaca | PA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| FMFabcon Mahanoy City Facility | Mahanoy City | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| FFFed Fiberglass LLC | Fairless Hills | PA | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| FAfelt and fat llc | Philadelphia | PA | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| FCFilling Cleaners INC | Mountville | PA | Nonmetallic Mineral Product Manufacturing327210 | — | ◇ UNVERIFIED |
| FSFlabeg Solar US Corp/clinton | Clinton | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| FSF&m Surfaces, INC. | Chambersburg | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| FWFour Winds Concrete, INC. | Center Valley | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FTFuzion Technologies, INC. | Freeport | PA | Nonmetallic Mineral Product Manufacturing327124 | — | ◇ UNVERIFIED |
| GMGavco Materials, Inc. | Carmichaels | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GMGavco Materials, Inc. | New Stanton | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GLGd Loke Jr. Stone, INC. | New Milford | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| GBGeorge Brown & Son Glass Works, INC. | York | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| GMGlass Molders Pottery Plastics | Albion | PA | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| GTGolden Triangle Temp Concrete Batch Plt | Monessen | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| GIGuardian Inds CORP | Lewistown | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
Gulf Coast Wilbert INC. | Newtown | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| HCHampton Concrete Products, INC. | Valencia | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| HVHappy Valley Blended Products, LLC | Bellefonte | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| HTHarmarville Temporary Batch Plant Project | Harmar, Township of | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| HGHarrisburg Glass, LLC | Camp Hill | PA | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| HCHarsco CO Heckett Multiserv Plant 16 | Butler | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HMHarsco Metals Midland | Midland | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HMHarsco Metals/ Plt 53 | Koppel | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HMHeckett Multiserv Plant 18 a Harsco Company | Steelton | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HMHeidelberg Materials Ne Llc/rich Hill Quarry | Connellsville | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HMHeidelberg Materials US Cement Llc/nazareth | Nazareth | PA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HKHerb Kilmer & Sons Flagstone | Kingsley | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |