| NCNational City Ready Mix | National City | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| NRNew Ravenna INC. | Exmore | VA | Nonmetallic Mineral Product Manufacturing327122 | 20-99 | ◐ LIKELY ACTIVE |
| NNoblesville | Noblesville | IN | Wood Product Manufacturing321999 | 20-99 | ◐ LIKELY ACTIVE |
| NCNorthern Concrete Pipe - Clarkston | Clarkston | MI | Nonmetallic Mineral Product Manufacturing327332 | 20-99 | ◐ LIKELY ACTIVE |
| OMOasis Materials Company LP | Poway | CA | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ◐ LIKELY ACTIVE |
| OCOk Concrete Company | Wichita Falls | TX | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| OROrangeburg Redi-mix Concrete | Orangeburg | SC | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| OROtsego Ready Mix | Oneonta | NY | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| OBOverman Buildings INC | Pocahontas | AR | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| PGPABCO Gypsum - Newark | Newark | CA | Nonmetallic Mineral Product Manufacturing327420 | 20-99 | ◐ LIKELY ACTIVE |
| PPPackage Pavement | Ravena | NY | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| PPPackage Pavement Company, Incorporated | Ravena | NY | Petroleum and Coal Products Manufacturing324121 | 20-99 | ◐ LIKELY ACTIVE |
| PTParagon Tempered Glass | Niles | MI | Nonmetallic Mineral Product Manufacturing327211 | 20-99 | ◐ LIKELY ACTIVE |
| PBPeerless Block & Brick Company | Saint Albans | WV | Nonmetallic Mineral Product Manufacturing327000 | 20-99 | ◐ LIKELY ACTIVE |
| PJPenn Jersey Building Materials | Egg Harbor Township | NJ | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| PPPhoenix Precast Products | Concord | NH | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| PVPleasant Valley | Pleasant Valley | NY | Petroleum and Coal Products Manufacturing324121 | 20-99 | ◐ LIKELY ACTIVE |
| PCPort City Concrete- Harleyville | Harleyville | SC | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| PCPrecast Concrete LLC | Fife | WA | Nonmetallic Mineral Product Manufacturing327332 | 20-99 | ◐ LIKELY ACTIVE |
| POPrecast of Maine | Topsham | ME | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| PTPrecast Terrazzo Enterprises INC | Raleigh | NC | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| PCPrestressed Concrete Construction, LLC | Newton | KS | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| QSQuarra Stone Company, LLC | Sun Prairie | WI | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| RARadiac Abrasives - Oswego | Oswego | IL | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ◐ LIKELY ACTIVE |
| RSRefectory Specialties incorporated | Sebring | OH | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| RCRocla Concrete Tie Inc-Pueblo | Pueblo | CO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RTRoma Tile, Inc. | Syracuse | NY | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| RRRost Ready Mix | Marshfield | MO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RGRoth Global Plastics - Syracuse, NY | Syracuse | NY | Plastics and Rubber Products Manufacturing326121 | 20-99 | ◐ LIKELY ACTIVE |
| RSRoyal Stone LLC | Williamston | MI | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| RRoyersford | Royersford | PA | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ◐ LIKELY ACTIVE |
| RSRumford Stone Inc | Bow | NH | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| SASaint-Gobain, ADFORS | Dublin | GA | Nonmetallic Mineral Product Manufacturing327212 | 20-99 | ◐ LIKELY ACTIVE |
| SCSaint-Gobain Ceramics | Olyphant | PA | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ◐ LIKELY ACTIVE |
| SHSCHOTT Home Tech North America | Louisville | KY | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| SCSchreiter Concrete CO. | Wright City | MO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SCScranton Craftsmen Incorporated | Throop | PA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| SPSealy Plant | Sealy | TX | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |
| SUSediver Usa, INC | West Memphis | AR | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| SBSessler Building Materials Inc dba Barnes & Cone | Syracuse | NY | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| SQSFO Quikrete | Fremont | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SMShelly Materials, Inc. - Medina Supply Company | Medina | OH | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
Smith-Midland Corporation (South Carolina) | Hopkins | SC | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| SRSoil Retention Products INC | Perris | CA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| SCSouthern Concrete Products of Paris | Paris | TN | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SCStandard Concrete Products - Tampa | Tampa | FL | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| SRState Ready Mix - a Calportland Company | Oxnard | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SPSTLP Pavestone | Scott City | MO | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| SCStone Crafters LLC | Egg Harbor Twp | NJ | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| SSStone Source INC | Plymouth | MN | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |