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| SCSequatchie Concrete Service INC | Madison | AL | — | ◐ LIKELY ACTIVE |
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| SMShelby Materials Incorporated | Nashville | IN | — | ◐ LIKELY ACTIVE |
| SMShelly Material Plant 2 Formerly Allied CORP Plant No 9 | Gallipolis | OH | — | ◐ LIKELY ACTIVE |
| SMShelly Materials Plant #44 | Hillsboro | OH | — | ◐ LIKELY ACTIVE |
| SMShelly Materials Plant 63 (0145020323) | Newark | OH | — | ◐ LIKELY ACTIVE |
| SMShelly Materials Plant No 62 (0123000206) | Lancaster | OH | — | ◐ LIKELY ACTIVE |
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Sherman Industries Alexander City Plant | Alexander City | AL | — | ◐ LIKELY ACTIVE |
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