Company Name
 |
Plant Name
 |
Subsidiary
|
City
|
State/Province
|
| CRH | Steeplechase - 639 | Jack B Parson Ready Mix | Eagle Mountain | Utah |
| CRH | Mountain Home Ready Mix | Idaho Materials & Construction (IMC) | Mountain Home | Idaho |
| CRH | Brigham City - 640 | Jack B Parson Ready Mix | Brigham City | Utah |
| CRH | Soda Springs - 676 | Jack B Parson Ready Mix | Soda Springs | Idaho |
| CRH | Montpelier - 675 | Jack B Parson Ready Mix | Montpelier | Idaho |
| CRH | Ontario Ready Mix | Idaho Materials & Construction (IMC) | Ontario | Oregon |
| CRH | Twin Falls Ready Mix | Idaho Materials & Construction (IMC) | Twin Falls | Idaho |
| CRH | IMC - RUPERT | Idaho Materials & Construction (IMC) | RUPERT | Idaho |
| CRH | Smithfield - 660 | Jack B Parson Ready Mix | Smithfield | Utah |
| CRH | Heber City - 624 | Jack B Parson Ready Mix | Heber | Utah |
| 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-Mingo | Standard Materials Group, Inc. | Tulsa | 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-Vinita | Standard Materials Group, Inc. | Vinita | Oklahoma |
| CRH | Standard Materials Group-Newcastle | Standard Materials Group, Inc. | Newcastle | Oklahoma |
| CRH | Powers | United Companies | Carbondale | Colorado |
| 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-Chandler | Standard Materials Group, Inc. | Chandler | Oklahoma |
| CRH | Standard Materials Group-Broken Arrow | Standard Materials Group, Inc. | Broken Arrow | Oklahoma |