Company Name
 |
Plant Name
|
Subsidiary
 |
City
|
State/Province
|
| CRH | Standard Materials Group-Gravette | Standard Materials Group, Inc. | Gravette | Arkansas |
| CRH | Standard Materials Group-Mannford | Standard Materials Group, Inc. | Mannford | Oklahoma |
| CRH | Standard Materials Group-Del City | Standard Materials Group, Inc. | Del City | Oklahoma |
| CRH | Standard Materials Group-Cushing | Standard Materials Group, Inc. | Cushing | Oklahoma |
| CRH | Standard Materials Group-Claremore | Standard Materials Group, Inc. | Claremore | Oklahoma |
| CRH | Standard Materials Group-Centerton | Standard Materials Group, Inc. | Centerton | Arkansas |
| CRH | Standard Materials Group-Springdale | Standard Materials Group, Inc. | Bethel Heights | Arkansas |
| CRH | Standard Materials Group-Vaughn | Standard Materials Group, Inc. | Bentonville | Arkansas |
| CRH | Standard Materials Group-Bartlesville | Standard Materials Group, Inc. | Bartlesville | Oklahoma |
| CRH | Standard Materials Group-Jane | Standard Materials Group, Inc. | Jane | Missouri |
| CRH | Standard Materials Group-Springdale 2 | Standard Materials Group, Inc. | Springdale | Arkansas |
| CRH | Standard Materials Group-Siloam Springs | Standard Materials Group, Inc. | Siloam Springs | Arkansas |
| CRH | Standard Materials Group-Rogers | Standard Materials Group, Inc. | Rogers | Arkansas |
| CRH | Standard Materials Group-Johnson | Standard Materials Group, Inc. | Johnson | Arkansas |
| CRH | Standard Materials Group-Tulsa | Standard Materials Group, Inc. | Tulsa | Oklahoma |
| CRH | Standard Materials Group-Okmulgee | Standard Materials Group, Inc. | Okmulgee | Oklahoma |
| CRH | Standard Materials Group-Muskogee | Standard Materials Group, Inc. | Muskogee | Oklahoma |
| CRH | Standard Materials Group-Stillwater | Standard Materials Group, Inc. | Stillwater | Oklahoma |
| CRH | Standard Materials Group-Sapulpa | Standard Materials Group, Inc. | Sapulpa | Oklahoma |
| CRH | Standard Materials Group-Pryor | Standard Materials Group, Inc. | Pryor | Oklahoma |
| CRH | Standard Materials Group-Ponca City | Standard Materials Group, Inc. | Ponca City | Oklahoma |
| CRH | Standard Materials Group-Fayetteville | Standard Materials Group, Inc. | Fayetteville | Arkansas |
| CRH | Standard Materials Group-Vinita | Standard Materials Group, Inc. | Vinita | Oklahoma |
| CRH | Standard Materials Group-Huntsville | Standard Materials Group, Inc. | Huntsville | Arkansas |
| CRH | Standard Materials Group-Newcastle | Standard Materials Group, Inc. | Newcastle | Oklahoma |