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-Grove | Standard Materials Group, Inc. | Bernice | Oklahoma |
| CRH | Standard Materials Group-Chandler | Standard Materials Group, Inc. | Chandler | Oklahoma |
| CRH | Standard Materials Group-Mingo | Standard Materials Group, Inc. | Tulsa | Oklahoma |
| CRH | Standard Materials Group-Piedmont | Standard Materials Group, Inc. | Piedmont | Oklahoma |
| Martin Marietta | Martin Marietta #627 Hunter | Southwest Division | Hunter | Texas |
| Martin Marietta | Martin Marietta #621 Beckman 2 | Southwest Division | San Antonio | Texas |
| Martin Marietta | Martin Marietta #622 Kirby | Southwest Division | San Antonio | Texas |
| Martin Marietta | Martin Marietta #642 San Marcos | Southwest Division | San Marcos | Texas |
| Martin Marietta | Martin Marietta #427 Seven Points | Southwest Division | Seven Points | Texas |
| Martin Marietta | Martin Marietta #505 Silsbee | Southwest Division | Silsbee | Texas |
| Martin Marietta | Martin Marietta #806 Sulphur Springs | Southwest Division | Sulpher Springs | Texas |
| Martin Marietta | Martin Marietta #234 Temple | Southwest Division | Temple | Texas |
| Martin Marietta | Martin Marietta #155 Talty /Terrel | Southwest Division | Terrel | Texas |
| Martin Marietta | Martin Marietta #623 West Side | Southwest Division | San Antonio | Texas |
| Martin Marietta | Martin Mareitta #417 North Tyler | Southwest Division | Tyler | Texas |
| Martin Marietta | Martin Marietta #418 South Tyler | Southwest Division | Tyler | Texas |
| Martin Marietta | Martin Marietta #221 Whitney | Southwest Division | Whitney | Texas |
| Martin Marietta | Martin Marietta #413 Wills Point | Southwest Division | Wills Point | Texas |
| Martin Marietta | Martin Marietta #126 Wilmer | Southwest Division | Wilmer | Texas |
| Martin Marietta | Martin Marietta #807 Winssboro | Southwest Division | Winnsboro | Texas |
| Martin Marietta | Martin Marietta #222 Woodway | Southwest Division | Woodway | Texas |
| Martin Marietta | Martin Marietta #636 Taylor | Southwest Division | Taylor | Texas |
| Martin Marietta | Martin Marietta #506 Port Bolivar | Southwest Division | Port Bolivar | Texas |