Company Name
 |
Plant Name
|
Subsidiary
|
City
|
State/Province
|
| CRH | Standard Materials Group-Chandler | Standard Materials Group, Inc. | Chandler | Oklahoma |
| 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-Cushing | Standard Materials Group, Inc. | Cushing | Oklahoma |
| CRH | Standard Materials Group-Muskogee | Standard Materials Group, Inc. | Muskogee | Oklahoma |
| CRH | Standard Materials Group-Claremore | Standard Materials Group, Inc. | Claremore | Oklahoma |
| Arkhola Ready Mix,� APAC-Central, Inc. | 05013, Stilwell | A �CRH� Company | Stilwell | Oklahoma |
| CRH | Standard Materials Group-Broken Arrow | Standard Materials Group, Inc. | Broken Arrow | Oklahoma |
| CRH | Standard Materials Group-Okmulgee | Standard Materials Group, Inc. | Okmulgee | Oklahoma |
| CRH | Standard Materials Group-Bixby | Standard Materials Group, Inc. | Bixby | 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 | Standard Materials Group-Mannford | Standard Materials Group, Inc. | Mannford | Oklahoma |
| Arkhola Ready Mix,� APAC-Central, Inc. | 05012, Tahlequah | A �CRH� Company | Tahlequah | Oklahoma |
| CRH | Standard Materials Group-Del City | Standard Materials Group, Inc. | Del City | Oklahoma |
| CRH | Standard Materials Group-Newcastle | Standard Materials Group, Inc. | Newcastle | Oklahoma |
| CalPortland Company | Troutdale Ready Mix Plant | | Troutdale | Oregon |
| MDU Resources | Woodburn Plant | Knife River Corporation NW | Woodburn | Oregon |
| CalPortland Company | Scappoose RM Plant | | Scappoose | Oregon |
| CalPortland Company | Sandy Ready Mix Plant | | Sandy | Oregon |