| CSCalifornia State University at Los Angeles | Los Angeles | CA | — | ◇ UNVERIFIED |
| CCCallahan Concrete Company | Lexington | NC | — | ◇ UNVERIFIED |
| CKCallanan-east Kingston Quarry & Asphalt | Kingston | NY | — | ◇ UNVERIFIED |
| CICallanan Ind So Bethlehem Operation | South Bethlehem | NY | — | ◇ UNVERIFIED |
| CICallanan Industries Albany Asphalt Plant | Albany | NY | — | ◇ UNVERIFIED |
| CICallanan Industries INC Kingston Facility | Kingston | NY | — | ◇ UNVERIFIED |
| CICallanan Industries INC Maybrook Materials Div | Maybrook | NY | — | ◇ UNVERIFIED |
| CICallanan Industries INC Oriskany Facility | Oriskany | NY | — | ◇ UNVERIFIED |
| CICallanan Industries Lansing Ln | Watervliet | NY | — | ◇ UNVERIFIED |
| CICallanan Industries Plant 67 | Gloversville | NY | — | ◇ UNVERIFIED |
| CICallanan Industries Watervliet Facility | Watervliet | NY | — | ◇ UNVERIFIED |
| CCCalmat CO Fresno | Fresno | CA | — | ◇ UNVERIFIED |
| COCalmat of Central California | Bakersfield | CA | — | ◇ UNVERIFIED |
| CCCalportland Clackamas Ready Mix Plant | Clackamas | OR | — | ◇ UNVERIFIED |
| CCCalportland CO - 43rd Ave Plant | Laveen | AZ | — | ◇ UNVERIFIED |
| CCCalportland CO Gowan Plant | North Las Vegas | NV | — | ◇ UNVERIFIED |
| CCCalportland CO Higley Plant | Mesa | AZ | — | ◇ UNVERIFIED |
| CCCalportland CO Maricopa Plant | Maricopa | AZ | — | ◇ UNVERIFIED |
| CCCalportland Company | National City | CA | — | ◇ UNVERIFIED |
| CCCalportland Company Eastmark Plant | Mesa | AZ | — | ◇ UNVERIFIED |
| CCCalportland Company Garey Plant | Santa Maria | CA | — | ◇ UNVERIFIED |
| CCCalportland Company Gary Plant | Las Vegas | NV | — | ◇ UNVERIFIED |
| CCCalportland Company Lax Plant | Los Angeles | CA | — | ◇ UNVERIFIED |
| CCCalportland Company Miramar | San Diego | CA | — | ◇ UNVERIFIED |
| CCCalportland Company New River Plant 2 | Phoenix | AZ | — | ◇ UNVERIFIED |
| CCCalportland Company Queen Creek Plant | Queen Creek | AZ | — | ◇ UNVERIFIED |
 Calportland Construction - Templeton | Paso Robles | CA | — | ◇ UNVERIFIED |
| CCCalportland CO Range Plant | Las Vegas | NV | — | ◇ UNVERIFIED |
| CCCalportland CO Santa Maria Plant | Santa Maria | CA | — | ◇ UNVERIFIED |
| CCCalportland CO Sloan Plant | Sloan | NV | — | ◇ UNVERIFIED |
| CCCalportland CO Sun City (old Glendale) Plant | El Mirage | AZ | — | ◇ UNVERIFIED |
| CCCalportland CO Tangerine Plant | Marana | AZ | — | ◇ UNVERIFIED |
| CDCalportland - Diablo Aggregate Plant | Coolidge | AZ | — | ◇ UNVERIFIED |
| CICalportland Ina Plant | Tucson | AZ | — | ◇ UNVERIFIED |
| CRCalportland Red Mountain Plant | Mesa | AZ | — | ◇ UNVERIFIED |
| CSCalportland Sandy Plant | Sandy | OR | — | ◇ UNVERIFIED |
| CWCalportland West Broadway Plant | Phoenix | AZ | — | ◇ UNVERIFIED |
| CCCalstone Company | San Martin | CA | — | ◇ UNVERIFIED |
| CGCalstone Gilroy-oldcastle Apg | Gilroy | CA | — | ◇ UNVERIFIED |
| CSCal St Univ Northridge | Northridge | CA | — | ◇ UNVERIFIED |
| CCCamas Colorado Incorporated Bestway Paving Division | Greeley | CO | — | ◇ UNVERIFIED |
| CPCamasphalt Paving LLC | Groveland | FL | — | ◇ UNVERIFIED |
| CACambria Asphalt Products, INC. | Lockport | NY | — | ◇ UNVERIFIED |
| CMCamden Materials, Llc, Parkersburg | Parkersburg | WV | — | ◇ UNVERIFIED |
| CCCameron Concrete-cameron | Cameron | MO | — | ◇ UNVERIFIED |
| CCCampbell Concrete & Materials | Livingston | TX | — | ◇ UNVERIFIED |
| CCCampbell County Concrete (re-181) | Gillette | WY | — | ◇ UNVERIFIED |
| CRCampbell Rmc Baytown | Baytown | TX | — | ◇ UNVERIFIED |
| CRCampbell Rmc Dayton | Dayton | TX | — | ◇ UNVERIFIED |
| CRCampbell Rmc Hardy Street | Houston | TX | — | ◇ UNVERIFIED |
