| CPConcrete Pipe and Precast | Ashland | VA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| JHJames Hardie Building Products INC | Prattville | AL | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| JHJames Hardie Building Products INC | Peru | IL | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
Petersen Mfg. CO. | Denison | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| PSPrestress Services of Lexington | Lexington | KY | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
Sun Precast Co., INC. | Beaver Springs | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| TATate Access Floors | Jessup | MD | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| UUnistress | Pittsfield | MA | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| AFAercon Florida, LLC | Haines City | FL | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| AAAmerican Artstone CO | New Ulm | MN | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| ACAmerican Concrete Industries | Veazie | ME | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| AMAmerican Maatco Cpb | Richland Hills | TX | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| APArrowhead Precast LLC | Broken Arrow | OK | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| BPBlakeslee Prestress INC | Branford | CT | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| BLBlalock Lumber Company | Sevierville | TN | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| CUCast-crete Usa, LLC | Seffner | FL | Nonmetallic Mineral Product Manufacturing327332 | 100-499 | ◐ LIKELY ACTIVE |
| CPCement Products INC | Mansfield | OH | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| CSClassic Stone | Phoenix | AZ | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| CTConcrete Technology Corporation | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| CSCoreslab Structures (ark), INC. | Conway | AR | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| CSCoreslab Structures (conn), INC | Thomaston | CT | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| CSCoreslab Structures INC | Indianapolis | IN | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| CSCoreslab Structures Tampa INC | Tampa | FL | Nonmetallic Mineral Product Manufacturing327332 | 100-499 | ◐ LIKELY ACTIVE |
| CSCoreslab Structures Texas | Cedar Park | TX | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| CBCustom Building Products - Sckc Stockton Ca | Stockton | CA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| CPCustom Precast CO | Cascade | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| DLDutchland LLC | Gap | PA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| ECEdwards Cast Stone Company | Dubuque | IA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| EPEncore Precast, LLC | Dayton | OH | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| GPGate Precast Company | Monroeville | AL | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| GCGreystone Concrete Products | Henderson | NC | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| GCGulf Coast Precast INC | Fort Myers | FL | Nonmetallic Mineral Product Manufacturing327332 | 20-99 | ◐ LIKELY ACTIVE |
| HCHarvey Cement Products | Harvey | IL | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| HEHeldenfels Enterprises, INC. | San Marcos | TX | Nonmetallic Mineral Product Manufacturing327310 | 100-499 | ◐ LIKELY ACTIVE |
| IPInternational Precast Solutions LLC | River Rouge | MI | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| JWJackson Wilbert Burial Vault CO. | Jackson | TN | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| JHJames Hardie Building Products | Fontana | CA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| KAK and P Precast INC | O Fallon | MO | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
Lhv Precast INC | Kingston | NY | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| MCMack Concrete Industries | Astatula | FL | Nonmetallic Mineral Product Manufacturing327331 | 100-499 | ◐ LIKELY ACTIVE |
Mack Industries, INC. | Valley City | OH | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| MPMaterial Packaging INC. | Memphis | TN | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
Modular Connections LLC | Bessemer | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| MPMonarch Products INC | York Haven | PA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| NPNapco Precast LLC | San Antonio | TX | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| NWNashville Wilbert Burial Vault CO. | Nashville | TN | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◐ LIKELY ACTIVE |
| NCNorthern Concrete Pipe-bay City | Bay City | MI | Nonmetallic Mineral Product Manufacturing327332 | 100-499 | ◐ LIKELY ACTIVE |
| NLNusfc, LLC | Medley | FL | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| OCOld Castle - Acworth | Acworth | GA | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| OPOldcastle Precast | Lebanon | TN | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |