| NCNitterhouse Concrete Precast Plt | Chambersburg | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NPNortheast Precast CORP | Millville | NJ | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NINorthern Il Wilbert Vault CO INC | Belvidere | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NMNorthfield Mundelein Plant | Mundelein | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NMNorth Marina Ameron Hulbert | Everett | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NINorthwest Illinois Construction CO | Rock Falls | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NCNorthwind Concrete Products CO | Posen | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NCNorthwind Concrete Products CO | South Beloit | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NVNorwalk Vault CO | Bridgeport | CT | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| OAOldcastle Apg Company, Great Lakes | Cincinnati | OH | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| OCOldcastle - Crested Butte Rmc Plant | Crested Butte Area | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| OPOldcastle Precast INC | Manchester | NY | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| OPOldcastle Precast INC | Bartow | FL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| OSOldcastle Sw Group- Port Concrete Plant | Gunnison | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| OPOmega Products International, INC. | Commerce City | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PCPacific Cast Stone | Lincoln | NE | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PRPai Ready Mix LLC - Many Plant | Many | LA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PPParamount Precast Design INC | Sun Valley | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PAPcr Aquisitions Dba Campania Intl Inc/quakertown | Quakertown | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| POPece of Mind Environmental - Concrete Crusher Yard | Orlando | FL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PWPenn-mar Wilbert | York | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PFPgh Flexicore/donora Plt | Donora | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PSPhilip Services Hawaii LTD | Kapolei | HI | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PWPitsch Wrecking CO. - Concrete Recycling Plant | Walker | MI | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PCPitt Concrete Products INC | Trinity | AL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PPPrecision Packaging INC | Jackson | MS | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PCPrestressed Concrete | Newton | KS | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PEPrestress Engineering CO | Blackstone | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| QPQuality Precast Solutions, LLC | Fort Myers | FL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RCRankin Construction and Septic Tank Service, L.l.c. | Arab | AL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RMReady Mix Usa,llc | Birmingham | AL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RCReece Construction Company | Arlington | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RVRex Vault & Mausoleum Service INC | Newton | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RMRidge Mfg CORP | Rockaway | NJ | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RMRinker Materials Hydro Conduit | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RCRock-tred CORP | Skokie | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RMRocky Mountain Prestress LLC (structural Plant) | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RCRocla Concrete Tie Incorporated | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RVRoland Vaults, LTD (former State Mfg) | Norfolk | VA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RCRoseville Crushed Concrete | Roseville | MI | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSannipoli CORP | Menifee | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SPScio Packaging Company | Scio | OH | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSelvage Concrete Products, INC | Santa Rosa | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SSShannon Street Pre-cast Facility | Chesapeake | VA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SFSi Funeral Services | Shreveport | LA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSika Corporation | Conyers | GA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SVSimerly Vaults, INC. | Knoxville | TN | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSmith - Carolina Corporation | Reidsville | NC | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SRSmyrna Ready Mix Concrete | Lewisburg | TN | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSoutheastern Concrete Products of N.c. L | Statesville | NC | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
