Cat-i Manufacturing INC. | South Elgin | IL | Nonmetallic Mineral Product Manufacturing327212 | 100-499 | ● ACTIVE |
Ceramic Tech, INC. | Fremont | CA | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ● ACTIVE |
Ceramtec North America LLC | Laurens | SC | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ● ACTIVE |
| CCCertainteed Corporation | Athens | GA | Nonmetallic Mineral Product Manufacturing327993 | 100-499 | ● ACTIVE |
| CGCertainteed Gypsum Buchanan LLC | Buchanan | NY | Nonmetallic Mineral Product Manufacturing327420 | 100-499 | ● ACTIVE |
Cevians LLC | Costa Mesa | CA | Nonmetallic Mineral Product Manufacturing327211 | 20-99 | ● ACTIVE |
Chesapeake Specialty Products, INC. | Sparrows Point | MD | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ● ACTIVE |
Cloth & Clay, INC. | Saint Paul | MN | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ● ACTIVE |
Coastal Pipeline Products CORP. | Calverton | NY | Nonmetallic Mineral Product Manufacturing327332 | 1-19 | ● ACTIVE |
Coastal Precast Systems Iii, LLC | Chesapeake | VA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ● ACTIVE |
| CCCoast Concrete Company, LLC | Placida | FL | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ● ACTIVE |
| CCColonial Concrete Company LLC | Placida | FL | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ● ACTIVE |
Colorado Quartz Company | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327215 | — | ● ACTIVE |
| CBColumbus Brick Company INC | Columbus | MS | Nonmetallic Mineral Product Manufacturing327120 | 500+ | ● ACTIVE |
| CMColumbus Marble Works, INC. | Columbus | MS | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ● ACTIVE |
| CHComco Holdings, LLC | Burbank | CA | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ● ACTIVE |
Composition Materials CO INC | Milford | CT | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ● ACTIVE |
| CMConcrete Materials CORP | Richmond | KY | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ● ACTIVE |
| CMConcrete Materials INC | Merriam | KS | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ● ACTIVE |
| CRConcrete Ready Mix, INC | San Jose | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ● ACTIVE |
Connecticut Precast Corporation | Monroe | CT | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
| CSConnecticut Stone | Milford | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ● ACTIVE |
| CSCoreslab Structures (conn), INC | Thomaston | CT | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
Cps Technologies CORP. | Norton | MA | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ● ACTIVE |
Crest Precast, INC. | La Crescent | MN | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
Cromwell Concrete Products, Incorporated | Cromwell | CT | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ● ACTIVE |
| CICrossville INC | Crossville | TN | Chemical Manufacturing325194 | 100-499 | ● ACTIVE |
| CBCrown Building Products of FL LLC | Arcadia | FL | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
Crystal Imagery, INC | York Springs | PA | Nonmetallic Mineral Product Manufacturing327215 | 1-19 | ● ACTIVE |
Crystex Composites LLC | Clifton | NJ | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ● ACTIVE |
| CGCustom Glass Solutions Upper Sandusky, LLC | Upper Sandusky | OH | Nonmetallic Mineral Product Manufacturing327215 | 100-499 | ● ACTIVE |
| DDal-italia | Muskogee | OK | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
| DDDal-tile Dickson CORP | Dickson | TN | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
Deco West INC | Las Vegas | NV | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ● ACTIVE |
Dianamic Abrasive Products INC | Troy | MI | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ● ACTIVE |
Du-co Ceramics Company | Saxonburg | PA | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ● ACTIVE |
| DIDura-stress, INC | Leesburg | FL | Nonmetallic Mineral Product Manufacturing327331 | 100-499 | ● ACTIVE |
"eastwind Lapidary, Inc." | Windsor | VT | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ● ACTIVE |
| ECEaton CORP | Beaver | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ● ACTIVE |
Edison Coatings, INC | Plainville | CT | Nonmetallic Mineral Product Manufacturing327310 | 1-19 | ● ACTIVE |
Elan Technology, INC. | Midway | GA | Nonmetallic Mineral Product Manufacturing327212 | 20-99 | ● ACTIVE |
| EIElm-cap Industries, INC | West Hartford | CT | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ● ACTIVE |
| ECEndicott Clay Products CO | Endicott | NE | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
Engineered Concrete Products LLC | Rapid City | SD | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
Engis Corporation | Wheeling | IL | Nonmetallic Mineral Product Manufacturing327910 | 100-499 | ● ACTIVE |
Ervin Industries INC | Ann Arbor | MI | Nonmetallic Mineral Product Manufacturing327910 | — | ● ACTIVE |
Extol of Ohio INC | Norwalk | OH | Plastics and Rubber Products Manufacturing326140 | 20-99 | ● ACTIVE |
Fair-rite Products CORP | Wallkill | NY | Nonmetallic Mineral Product Manufacturing327110 | — | ● ACTIVE |
F & F Concrete Corporation, the | Plantsville | CT | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ● ACTIVE |
| FCFibrebond CORP | Minden | LA | Nonmetallic Mineral Product Manufacturing327390 | 500+ | ● ACTIVE |