| HTHOUB2 Texas Best Block | Houston | TX | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| HTHOUD Texas Best Block | Houston | TX | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| HPHOUP Pavestone | Katy | TX | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| HHrlp | La Feria | TX | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| IEIndustrial Estates - Yard 1 | Moraine | OH | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| JHJacksonville Hardscapes | Jacksonville | FL | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| JTJamestown, TN | Jamestown | TN | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| JCJanesville - CMC | Janesville | WI | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| JFJAXB Florida Best Block | Jacksonville | FL | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| JJaxp2 | Green Cove Springs | FL | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| JTJAXP Tremron | Jacksonville | FL | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| JBJdn Block INC Dba Landis Block & Concrete / Nyce Crete Company | Souderton | PA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| JBJdn Block INC Dba Nyce Crete Company | Lansdale | PA | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| JMJEFB - Midwest Block | Jefferson City | MO | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| JMJEFD - Midwest Block | Osage Beach | MO | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| JCJohnson Concrete Co - Eastern Division | Willow Spring | NC | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| JCJohnson Concrete Co - Piedmont Divison | Concord | NC | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| JRJ & R Precast, Inc | Berkley | MA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| KBKalamazoo Block Plant | Kalamazoo | MI | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| KKent | Kent | WA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| KCKing's Cedar Rapids Block | Cedar Rapids | IA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| KEKing's Eldridge | Eldridge | IA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| KNKinston, NC | Kinston | NC | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| LPLacey Paver Plant | Lacey | WA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| LLakewood | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| LTLALP Tremron | Lakeland | FL | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| LPLansing Products | Lansing | MI | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| LCLens Concrete Services | Jonestown | PA | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| LCLgap Cst | Montgomery | NY | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| MCMarathon - CMC | Marathon | WI | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| MMMASQ Masonry | Atlanta | GA | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| MGMCNB Georgia Best Block | Cordele | GA | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| MMMEMB - Midwest Block | Oakland | TN | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| MWMFRD Willamette Graystone | Grants Pass | OR | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| MHMidland Hiawatha | Hiawatha | IA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| MPMidstates Precast Products | Bondurant | IA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| MCMinnick Concrete Service | Fort Wayne | IN | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| MBMontfort Bros Inc | Fishkill | NY | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| MMMWBQ - Midwest Block | Jefferson City | MO | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| NCNatural Concrete Products - PA location | East Butler | PA | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| NINet-zeros Infra-materials INC. | Louisville | KY | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| OPOceanside Plant | Oceanside | CA | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| OOkcb | Oklahoma City | OK | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| OOlympia | Tumwater | WA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| OOrlando | Orlando | FL | Food Manufacturing311520 | 20-99 | ◐ LIKELY ACTIVE |
| OFORLB Florida Best Block | Orlando | FL | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| OWOTHD Willamette Graystone | North Bend | OR | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| PBPalm Beach Cast Stone, Inc | Mangonia Park | FL | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| PBPalumbo Block Co., Inc. | Dover Plains | NY | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| PBParker Block | Millsboro | DE | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |