| OCOldcastle Coastal, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| OEOldcastle Enclosure Solutions | Tracy | CA | — | ◇ UNVERIFIED |
| OFOldcastle Florence | Florence | TX | — | ◇ UNVERIFIED |
| OGOldcastle Greensboro | Greensboro | NC | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure | Acworth | GA | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure | Midway | FL | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure | Romeoville | IL | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure | Nampa | ID | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure | Pleasanton | CA | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure Devils Lake Precast | Devils Lake | ND | — | ◇ UNVERIFIED |
 Oldcastle Infrastructure, INC - Fontana | Fontana | CA | — | ◇ UNVERIFIED |
| Oldcastle Infrastructure, INC. - Phoenix Oes | Phoenix | AZ | — | ◇ UNVERIFIED |
| Oldcastle Infrastructure Inc/telford | Telford | PA | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure - Platteville | Loveland Area | CO | — | ◇ UNVERIFIED |
| ONOldcastle Nampa Madison | Nampa | ID | — | ◇ UNVERIFIED |
| OPOldcastle Precast | Perris | CA | — | ◇ UNVERIFIED |
| OPOldcastle Precast | Fontana | CA | — | ◇ UNVERIFIED |
| OPOldcastle Precast INC | Tualatin | OR | — | ◇ UNVERIFIED |
| OPOldcastle Precast INC | Bartow | FL | — | ◇ UNVERIFIED |
| OPOldcastle Precast INC | Stone Mountain | GA | — | ◇ UNVERIFIED |
| OPOldcastle Precast INC | Clackamas | OR | — | ◇ UNVERIFIED |
| OPOldcastle Precast INC | Elk River | MN | — | ◇ UNVERIFIED |
| OPOldcastle Precast, INC. | Telford | PA | — | ◇ UNVERIFIED |
| OPOldcastle Precast, INC. | Ontario | CA | — | ◇ UNVERIFIED |
| OPOldcastle Precast, INC. | Stockton | CA | — | ◇ UNVERIFIED |
| OPOldcastle Precast, INC. | Lathrop | CA | — | ◇ UNVERIFIED |
| OPOldcastle Precast, INC. Dba Nc Products | Raleigh | NC | — | ◇ UNVERIFIED |
| OSOldcastle Savannah | Guyton | GA | — | ◇ UNVERIFIED |
| OSOldcastle Sw Group- Port Concrete Plant | Gunnison | CO | — | ◇ UNVERIFIED |
| OWOldcastle Westile, INC. | Littleton | CO | — | ◇ UNVERIFIED |
| OPOlson Precast CO | Rialto | CA | — | ◇ UNVERIFIED |
| OMOlympic Marble | Buena Park | CA | — | ◇ UNVERIFIED |
| OWOmaha Wilbert Vault, INC. | Omaha | NE | — | ◇ UNVERIFIED |
| OPOmega Products International, INC. | Commerce City | CO | — | ◇ UNVERIFIED |
| OPOmni Products, INC. | Lincolnton | NC | — | ◇ UNVERIFIED |
| OBOrco Blended Products INC | Highland | CA | — | ◇ UNVERIFIED |
| OROriginal Rock Replicas of Arizona, INC. | Tempe | AZ | — | ◇ UNVERIFIED |
| OCOrnamental Columns and Statues, INC. | Fort Myers | FL | — | ◇ UNVERIFIED |
| OSOrnamental Stone INC | Allyn | WA | — | ◇ UNVERIFIED |
| OAOwens and Son's Vault Company | Union Springs | AL | — | ◇ UNVERIFIED |
| PAPacific Aquascapes INC | Lanai City | HI | — | ◇ UNVERIFIED |
| PCPacific Cast Stone | Lincoln | NE | — | ◇ UNVERIFIED |
| PRPai Ready Mix LLC - Many Plant | Many | LA | — | ◇ UNVERIFIED |
| PBPalm Bay Plant | Palm Bay | FL | — | ◇ UNVERIFIED |
| PCPanhandle Concrete Products, INC. | Scottsbluff | NE | — | ◇ UNVERIFIED |
| PBParagon Building Products Incorporated | Henderson | NV | — | ◇ UNVERIFIED |
| PCParamount Concrete, INC. | Pompano Beach | FL | — | ◇ UNVERIFIED |
| PPParamount Precast Design INC | Sun Valley | CA | — | ◇ UNVERIFIED |
| PIParexlahabra INC | French Camp | CA | — | ◇ UNVERIFIED |
| PPParker Precast, INC | Richmond Hill | GA | — | ◇ UNVERIFIED |
