| BABonsal American INC | Katy | TX | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| BABonsal American INC | Kenvil | NJ | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| BIBpi INC - Schenley Pa Plant | Schenley | PA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CSCalifornia State University at Los Angeles | Los Angeles | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CCCalstone Company | San Martin | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCal St Univ Northridge | Northridge | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CPCantera Perez | Humacao | PR | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CICarlisle Industrial Brake & Friction | Logansport | IN | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CCementpro | Ontario | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Florida, Ll | Tampa | FL | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CICeradyne INC 3m Company | Irvine | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CGCertainteed Gypsum & Ceiling Manufacturing, INC. | Meridian | MS | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| CICharah INC. - Fly Ash Facility Marshal | Terrell | NC | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CCChicopee Concrete Services INC Chicopee | Chicopee | MA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CAColorado Aggregate | San Acacio | CO | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CRColumbia River Carbonates Woodland | Woodland | WA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CCContinental Cement CO LLC - New Orleans Terminal | New Orleans | LA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CCCoorstek - Ceramics | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CDCorning - Diesel Manufacturing Facility | Painted Post | NY | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CCovia | Ottawa | IL | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CCCrouse Construction CO INC | Aberdeen | MD | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CCCrushing Corporation of America | Springfield | VA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CSCustar Stone CO INC Custar Plant | Custar | OH | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CBCustom Building Products | Perth Amboy | NJ | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CBCustom Building Products | Logan | NJ | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CBCustom Building Products - Denc | Berkley | CO | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CCCw&w Contractors INC | Shreveport | LA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CPCxt-precast Plant | Spokane | WA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| DADowell Aggregate Incorporated | Staley | NC | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| EGEast Gulf Preparation Plant | Rhodell | WV | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| EREm Resources - Oak Grove Harvesting | Franklin | TX | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| FVFox Valley Energy Center LLC | Neenah | WI | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Corporation-georgia Pacific Firedoor Core Plant | Cuba | MO | Nonmetallic Mineral Product Manufacturing327420 | — | ◇ UNVERIFIED |
| GNGibraltar National CORP / Quikrete Detroit | Detroit | MI | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| GMGranger Materials, INC. | Cleveland | OH | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| GEGreeley Excavation | Greeley | CO | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| GHG.s. Harris Company, INC. | Ogden | UT | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| HKHaines & Kibblehouse/locust Ridge Quarry | Pocono Lake | PA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| HTHandy Truck Line INC - Meridian | Meridian | ID | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| HIHauser INC | Ottawa Lake | MI | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| ICIndependent Concrete Pipe | Plainville | MA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| IMIndustrial Minerals CO | Sacramento | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| IPIntegrated Photonics Incorporated | Hillsborough | NJ | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| ICInterstate Custom Crushing, LLC | Charlotte | NC | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| JFJ. F. Asociados, INC. | Juncos | PR | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| JSJohnstown Storage | Johnstown | PA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| KSKonya Sands LLC | Jackson | OH | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| LBLafarge Building Materials INC | Boston (charlestown) | MA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MAMaster Aggregates Carolina | Carolina | PR | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MAMaster Aggregates Plant 5 | Caguas | PR | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
