| FCFinley Construction & Ready Mix | Atwood | KS | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| NCNorthern Concrete Block of Cortland | Cortland | NY | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◇ UNVERIFIED |
| OGOrmond Granite and Marble, INC | Holly Hill | FL | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| URUpchurch Ready Mix Concrete | Cahokia | IL | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| ACAmerican Concrete of Wny | Lockport | NY | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| ARAsheboro Ready Mix INC. | Asheboro | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| ARAtlas Ready Mix Concrete | Jamaica | NY | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| BSBanas Sand & Gravel | Ludlow | MA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| BCBartley Crucible & Refractories INC | Trenton | NJ | Nonmetallic Mineral Product Manufacturing327120 | 1-19 | ◇ UNVERIFIED |
| BBB & B Concrete Products, INC | Columbia | TN | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| BCB & C Concrete Products, INC. | North Wilkesboro | NC | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◇ UNVERIFIED |
| BCBode Concrete | San Francisco | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| BOBreckenridge of Rolla, Concrete Plant Ii | Rolla | MO | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| CCCbmm Concrete LLC - Crested Butte Plant | Crested Butte Area | CO | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| CRCoastal Ready Mix, LLC | Mobile | AL | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| COCoast Oem LLC | Kokomo | IN | Nonmetallic Mineral Product Manufacturing327112 | 1-19 | ◇ UNVERIFIED |
| CDConcrete Dakota Redi Mix INC. | Watertown | SD | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◇ UNVERIFIED |
| CIConcrete INC - Marshalltown | Marshalltown | IA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| CSConcrete Shop INC | Vancouver | WA | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◇ UNVERIFIED |
| CDCreative Design Marble, INC. | Centerville | OH | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| CSCrummitt & Son Vault CORP. | Martins Ferry | OH | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◇ UNVERIFIED |
| DRDean's Ready Mixed, INC. | Albemarle | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| DIDoll's INC | Olney | IL | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| DRDorn Ready Mix | Fort Morgan Area | CO | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| ECEgl CO INC | Berkeley Heights | NJ | Nonmetallic Mineral Product Manufacturing327215 | 1-19 | ◇ UNVERIFIED |
| ECEvergreen Concrete Company INC | Evergreen | AL | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| FSFarlows Scientific Glassblowing INC | Grass Valley | CA | Nonmetallic Mineral Product Manufacturing327215 | 1-19 | ◇ UNVERIFIED |
| FBFelton Brothers Transit Mix Incorporated | South Boston | VA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| FTFloorazzo Tile, LLC | Siler City | NC | Nonmetallic Mineral Product Manufacturing327122 | 1-19 | ◇ UNVERIFIED |
| FBFlorida Brick & Clay CO INC | Plant City | FL | Nonmetallic Mineral Product Manufacturing327120 | 1-19 | ◇ UNVERIFIED |
| FTFlying Turtle Cast Concrete | Modesto | CA | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◇ UNVERIFIED |
| FMFrostburg Memorials | Frostburg | MD | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| FDFurniture Design Gallery | Sanford | FL | Nonmetallic Mineral Product Manufacturing327110 | 1-19 | ◇ UNVERIFIED |
| GSGarners Septic Tank, INC. | Carthage | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| GRGlenwood Ready Mix,inc | Glenwood | AR | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| GRGoddard Ready Mix Concrete / 3101 Ne 10th | Oklahoma City | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| GAGriffin Avionics INC | Barnstable (hyannis) | MA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| HIHauser INC | Ottawa Lake | MI | Nonmetallic Mineral Product Manufacturing327999 | 1-19 | ◇ UNVERIFIED |
| HAHayes Abrasives INC | Hillsboro | IL | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ◇ UNVERIFIED |
| HIHeck Industries - Cement Plant 2 & 3 | Baton Rouge | LA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| HRHolbrook Ready Mix INC. | Selma | AL | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◇ UNVERIFIED |
| HLHome Lumber Reddimix | Hazard | KY | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| HIHudco Industrial Products, INC. | Bessemer | AL | Nonmetallic Mineral Product Manufacturing327125 | 1-19 | ◇ UNVERIFIED |
| IHIntarsia Headquarters | Orlando | FL | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| IPInterlock Paving Systems | Hampton | VA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| ICIron City Enterprises INC | Menominee | MI | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◇ UNVERIFIED |
| KCKasten Clay Products Co-jackson | Jackson | MO | Nonmetallic Mineral Product Manufacturing327120 | 1-19 | ◇ UNVERIFIED |
| LRLane Ready Mix Concrete | Jasper | AL | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| LCLexington Concrete and Supply Company | Lexington | OH | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| LRLittle Rock Wilbert Burial Vault CO. | Alexander | AR | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◇ UNVERIFIED |