Company Name
 |
Plant Name
|
Subsidiary
|
City
|
State/Province
|
| CRH | Standard Materials Group-Springdale 2 | Standard Materials Group, Inc. | Springdale | Arkansas |
| CRH | Standard Materials Group-Jane | Standard Materials Group, Inc. | Jane | Missouri |
| CRH | Standard Materials Group-Bartlesville | Standard Materials Group, Inc. | Bartlesville | Oklahoma |
| CRH | Standard Materials Group-Grove | Standard Materials Group, Inc. | Bernice | Oklahoma |
| CRH | Standard Materials Group-Bixby | Standard Materials Group, Inc. | Bixby | Oklahoma |
| CRH | Standard Materials Group-Broken Arrow | Standard Materials Group, Inc. | Broken Arrow | Oklahoma |
| CRH | Standard Materials Group-Chandler | Standard Materials Group, Inc. | Chandler | Oklahoma |
| CRH | Standard Materials Group-Claremore | Standard Materials Group, Inc. | Claremore | Oklahoma |
| CRH | Standard Materials Group-Cushing | Standard Materials Group, Inc. | Cushing | Oklahoma |
| CRH | Standard Materials Group-Del City | Standard Materials Group, Inc. | Del City | Oklahoma |
| CRH | Standard Materials Group-Mannford | Standard Materials Group, Inc. | Mannford | Oklahoma |
| CRH | Standard Materials Group-Muskogee | Standard Materials Group, Inc. | Muskogee | Oklahoma |
| CRH | Standard Materials Group-Newcastle | Standard Materials Group, Inc. | Newcastle | Oklahoma |
| CRH | Standard Materials Group-Okmulgee | Standard Materials Group, Inc. | Okmulgee | Oklahoma |
| CRH | Standard Materials Group-Piedmont | Standard Materials Group, Inc. | Piedmont | Oklahoma |
| CRH | Standard Materials Group-Ponca City | Standard Materials Group, Inc. | Ponca City | Oklahoma |
| CRH | Standard Materials Group-Pryor | Standard Materials Group, Inc. | Pryor | Oklahoma |
| CRH | Standard Materials Group-Sapulpa | Standard Materials Group, Inc. | Sapulpa | Oklahoma |
| CRH | Standard Materials Group-Stillwater | Standard Materials Group, Inc. | Stillwater | Oklahoma |
| CRH | Standard Materials Group-Mingo | Standard Materials Group, Inc. | Tulsa | Oklahoma |
| CRH | Standard Materials Group-Tulsa | Standard Materials Group, Inc. | Tulsa | Oklahoma |
| CRH | Standard Materials Group-Vinita | Standard Materials Group, Inc. | Vinita | Oklahoma |
| CRH | Powers | United Companies | Carbondale | Colorado |
| CRH | Crested Butte | United Companies | Crested Butte | Colorado |
| CRH | Delta | United Companies | Delta | Colorado |