| HCHercules Cement CO Llc/stockertown | Stockertown | PA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HWHickman Williams & Company | Etna | PA | Plastics and Rubber Products Manufacturing326192 | — | ◇ UNVERIFIED |
| HCHippo Concrete LLC | King of Prussia | PA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HGH&k Group, INC. | Birdsboro | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HCHowell Craft INC. | Elizabeth | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| HIHpkd INC. | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| HYH Y K Construction Co., INC. | Collegeville | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HCHyk Construction Co., INC. | Coopersburg | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| IIIca, INC. | Lehighton | PA | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| IAIndustrial Abrasives CO. | Reading | PA | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| ISInterstate Safety Service, Incorporated | Clarks Summit | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| ICIsland Concrete | Duncannon | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| JBJdn Block, INC | Lansdale | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| JHJ & H Concrete CO. | Wilkes Barre | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| JKJ.J. Kennedy, Inc. | Imperial | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| JCJmm Concrete Designs LLC | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| JDJohn D Shaffer | Latrobe | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| JSJones Stone & Marble, INC. | Greensburg | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| JRJRG Realty Limited LLC | Thompson | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| KFKauffman Family LP Land Development Renewal | Sadsbury, Township of | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| KPKey Precast & Supply, INC. | Butler | PA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| KCKeystone Concrete Block and Supply Company, INC. | Scranton | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| KCKeystone Concrete Block INC. | Clarks Summit | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| KPKeystone Portland Cement/east Allen | Bath | PA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| KLKischland LLC | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| KMKurtz Monument Company | Washington | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| LHLane Holdings | Carnegie | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LAL a Stone & Kitchens, LLC. | Brodheadsville | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| LCLesney Concrete Specialist | Tarentum | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| LULexmar USA | Mckeesport | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| LSLiving Stones Masonry | Columbia | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| L3Lock 3 Company | Monongahela | PA | Nonmetallic Mineral Product Manufacturing327124 | — | ◇ UNVERIFIED |
| MMMajesty Marble and Granite, INC. | Aston | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| MMMajesty Marble and Granite, INC. | Philadelphia | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| MCMckenzie Concrete Products, INC. | Fayetteville | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| MRMeadville Redi-mix Concrete, INC. | Meadville | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MSMeshoppen Stone INC. | Meshoppen | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| MIMfs Inc/mineral Wool Plt 1 | Bethlehem | PA | Food Manufacturing311941 | — | ◇ UNVERIFIED |
| MPMineral Processing Specialties Inc. | Springdale | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| MPMineral Processing Specialties Inc. | Bessemer | PA | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| MAMolded Acoustical Products of Easton, INC. | Easton | PA | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| MFMRBBB Futures Glass LLC | Allentown | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| MPMudworks Pottery, LLC | Effort | PA | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| NSNatural Stoneworks | Lancaster | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| NCNesl CO Inc/ Earl Twp Hinkletown Asphalt Plant and Quarry | Ephrata | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| NBNew Bethlehem Burial Services, INC. | New Bethlehem | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NFNolde Forest Pottery LLC | Mohnton | PA | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| NANortheast Architectural Products INC. | Archbald | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NPNortheast Prestressed Products, LLC | Brogue | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NPNortheast Prestressed Products, LLC. | Pottsville | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
