| APArtistic Pavers Mfg | Miami | FL | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| BCBasalite - Carson City | Carson City | NV | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| BWBDNB Willamette Graystone | Bend | OR | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| BBBeavertown Block CO | Middleburg | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| BBBilco Brick | Lancaster | TX | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| BBlock | Springdale | PA | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| BCBloques Caribe INC | Guaynabo | PR | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| BCBuilders Concrete/Ashlan | Fresno | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| BPBWIP Pavestone | Hagerstown | MD | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| CPCambridge Pavers Lyndhurst | Lyndhurst | NJ | Nonmetallic Mineral Product Manufacturing327331 | 100-499 | ◐ LIKELY ACTIVE |
| CPCambridge Pavers South Amboy | South Amboy | NJ | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| CSCambridge Springs | Cambridge Springs | PA | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| CBClayton Block, LLC | Lakewood | NJ | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| CPCLTP Pavestone | Charlotte | NC | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| CIConcrete Industries | Albany | GA | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| CSCoronado Stone Products | Carrollton | TX | Nonmetallic Mineral Product Manufacturing327331 | 100-499 | ◐ LIKELY ACTIVE |
| CBCranesville Block Company inc | Albany | NY | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| CPCst Products CORP | Pedricktown | NJ | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| CPCVGP Pavestone | Cincinnati | OH | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| DPDALP Pavestone | Grapevine | TX | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| DRDel R Gilbert & Son Block Co., Inc | Laconia | NH | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| DBDominion Block LLC - Lynchburg | Lynchburg | VA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| DPDunham Price INC | Westlake | LA | Nonmetallic Mineral Product Manufacturing327310 | 20-99 | ◐ LIKELY ACTIVE |
| EIEarthcore Industries LLC | Chesapeake | VA | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| EDE Dillon & Company-treatment Plant | Swords Creek | VA | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| EPE P Henry CORP | New Jersey | NJ | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| EWEUGB Willamette Graystone | Eugene | OR | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| FCFerraiolo Construction, INC. | Thomaston | ME | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| FBFizzano Bros | Crum Lynne | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| FTFMYP Tremron | Arcadia | FL | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| HCHi-Way Concrete Products Co. Inc. | Wareham | MA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| JCJohnson Concrete Products CO. | Hastings | NE | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| KPKanta Products | Three Forks | MT | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| KMKast Marble | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| KCKirkpatrick Concrete,inc. Plant 13 | Birmingham | AL | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| LPLASP Pavestone | Las Vegas | NV | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| LBLee Brick & Block | Bowling Green | KY | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| LMLee Masonry Products INC | Lexington | KY | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| LPLowe Precast, INC. | Waco | TX | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| MMMCIB - Midwest Block | Kansas City | MO | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| MIMenards INC | Plano | IL | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| MCMid-illinois Concrete INC | Sullivan | IL | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| MCMidland Concrete Products Clear Lake | Clear Lake | IA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| MBMidwest Block and Brick | Springfield | MO | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| NFNatl Fuel Gas Supply/ellisburg Sta | Ellisburg | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| NCNatural Concrete Products LLC | Norfolk | NE | Paper Manufacturing322299 | — | ◐ LIKELY ACTIVE |
| PMPAHB - Midwest Block | Paducah | KY | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| RMReady Mix USA Llc- Jasper Block Plant | Jasper | AL | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| RLRoofblok Limited | Gardner | MA | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| RSRp Smith & Son INC | Succasunna | NJ | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |