| BRBest Redi Mix Holding CO. | Hockley | TX | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| BUBuzzi Unicem USA | Milwaukee | WI | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CPCalifornia Portland Cement CO | Colton | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CPCal Portland Cement CO Disposal Site | Mojave | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCalportland CO Carmenita Terminal | Santa Fe Spgs | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCalportland Company Rillito Plant | Rillito | AZ | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CSCalportland - Stockton East | Stockton | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CRCanyon Rock | San Diego | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CRCapital Ready Mix, INC | Sacramento | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCastOne Creations Inc. | Miami | FL | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCC & C Ready Mix Corporation | Berkshire | NY | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CMCemco Materials INC. | El Paso | TX | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCemex | San Jose | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CBCemex - Black Mountain Quarry Plant | Apple Valley | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCemex California Cement LLC | Victorville | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCemex - Cement Plant | Davenport | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Atlantic, LLC | Wilmington | NC | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCemex Construction Materials - Florence | Florence | CO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Florida, LLC | Stuart | FL | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Florida, LLC. | Pompano Beach | FL | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCemex Construction Materials - Lyons | Lyons Area | CO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCemex Construction Materials P | Fairfield | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Pacific LLC | Apple Valley | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Pacific LLC | Apple Valley | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CICemex INC Demopolis Plant | Demopolis | AL | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CICemex INC - Redlands Plant | Riverside | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CRCemex - River Plant | Victorville | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCChandler Concrete / Piedmont INC. - Sal | Salisbury | NC | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CDChicago Dept of Transportation | Chicago | IL | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CQCiment Quebec, INC. | Everett | MA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CLCmu, LLC | Puyallup | WA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CPCollins Pit | Platte | WY | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCContinental Cement Company - Ste. Genevieve | Ste. Genevieve | MO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCooper Canyon Boutique Trailers and Tanks, LLC | El Paso | TX | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CHCopeland Holdings, LLC | Watkins | CO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CTCpc Terminals - Wilmington | Wilmington | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CRCross Roads Industries, INC. | Victoria | TX | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
 Cts Cement Manufacturing Corporation Cordele Plant | Cordele | GA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCumberland Concrete Corporation | Lavale | MD | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCumberland Concrete Corporation | Lavale | MD | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CWC. William Hetzer/beaver Creek West | Hagerstown | MD | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| DRDkn Ready Mix LLC | Glen Cove | NY | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| DWDon Ward INC | Pueblo | CO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| DPDragon Products Company, INC. | Frenchville | ME | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| EREddystone Rock and Ready Mix LLC | Ketchikan | AK | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| ECEssroc Cement Corporation | Middlebranch | OH | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| ECEssroc Cement Terminal | Oswego | NY | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| ECEssroc/nazareth Cement Plt 3 | Nazareth | PA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| ECExpress Concrete & Traffic Control Inc | Suwanee | GA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| FSFiore Stone, Inc. | Las Vegas | NV | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
