| company | role | hq | verified |
| BROCK WHITE Milwaukee | DIST | New Berlin, WI (US) | 1 mfrs |
| Builders Products, Inc. | DIST | Houston, TX (US) | 1 mfrs |
| Building Construction Solutions bcs.llc | DIST | Medley, FL (US) | 1 mfrs |
| CADMAN INC | DIST | Redmond, WA (US) | 1 mfrs |
| CanDo Supply/ Lowry's Inc | DIST | — (US) | 1 mfrs |
| CARROLL CONSTRUCTION SUPPLY | DIST | Lincoln, NE (US) | 1 mfrs |
| CARROLL DISTR & CONST SUP | DIST | — (US) | 1 mfrs |
| CARROLL DISTRIBUTING & CONSTR SPLY | DIST | — (US) | 1 mfrs |
| CARROLL DIST & SUPPLY INC | DIST | — (US) | 1 mfrs |
| CARROLL SUPPLY | DIST | — (US) | 1 mfrs |
| CARROLL SUPPLY-OFFICE | DIST | Ottumwa, IA (US) | 1 mfrs |
| Cascade Concrete Accessories | DIST | Clackamas, OR (US) | 1 mfrs |
| CCM RENTAL | DIST | Chardon, OH (US) | 1 mfrs |
| CHARLES E PHIPPS CO | DIST | Cleveland, OH (US) | 1 mfrs |
| COHILLS BLDG SPECIALTIES | DIST | Phoenix, AZ (US) | 1 mfrs |
| Coleman Materials colemanmaterials.com | DIST | Wichita, KS (US) | 1 mfrs |
| COLORADO HARDSCAPES INC | DIST | Denver, CO (US) | 1 mfrs |
| Columbus Coal & Lime columbuscoal.com | DIST | Columbus, OH (US) | 1 mfrs |
| CONCRETE ACCESSORIES & RENTALS | DIST | Bozeman, MT (US) | 1 mfrs |
| CONCRETE CONSTR SUPPLY | DIST | — (US) | 1 mfrs |