Company Name
 |
Plant Name
|
Subsidiary
|
City
|
State/Province
|
| 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 | Crested Butte | United Companies | Crested Butte | Colorado |
| CRH | Standard Materials Group-Mannford | Standard Materials Group, Inc. | Mannford | Oklahoma |
| CRH | Standard Materials Group-Bartlesville | Standard Materials Group, Inc. | Bartlesville | Oklahoma |
| CRH | Standard Materials Group-Newcastle | Standard Materials Group, Inc. | Newcastle | Oklahoma |
| CRH | Standard Materials Group-Piedmont | Standard Materials Group, Inc. | Piedmont | 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-Del City | Standard Materials Group, Inc. | Del City | Oklahoma |
| CRH | Steeplechase - 639 | Jack B Parson Ready Mix | Eagle Mountain | Utah |
| CRH | California Avenue - 617 | Jack B Parson Ready Mix | Salt lake City | Utah |
| CRH | IMC - RUPERT | Idaho Materials & Construction (IMC) | RUPERT | Idaho |
| CRH | Twin Falls Ready Mix | Idaho Materials & Construction (IMC) | Twin Falls | Idaho |
| CRH | Ontario Ready Mix | Idaho Materials & Construction (IMC) | Ontario | Oregon |
| CRH | Montpelier - 675 | Jack B Parson Ready Mix | Montpelier | Idaho |
| CRH | Soda Springs - 676 | Jack B Parson Ready Mix | Soda Springs | Idaho |
| CRH | Mountain Home Ready Mix | Idaho Materials & Construction (IMC) | Mountain Home | Idaho |
| CRH | Cedar Pass - 628 | Jack B Parson Ready Mix | Eagle Mountain | Utah |