| OCOsceola Concrete LLC | Osceola | MO | — | ◇ UNVERIFIED |
| OTO Tex Pumping Fenelton | Fenelton | PA | — | ◇ UNVERIFIED |
| OMOverland Material and Manufacturing INC / Astec 2 | Durant | OK | — | ◇ UNVERIFIED |
| OMOverland Material and Manufacturing INC / Astec 4 | Ada | OK | — | ◇ UNVERIFIED |
| OMOverland Material and Manufacturing INC / Clinton | Clinton | OK | — | ◇ UNVERIFIED |
| OROverland Ready Mixed Super 8 | No City Name | NE | — | ◇ UNVERIFIED |
| OPOverstreet Paving CO | Spring Hill | FL | — | ◇ UNVERIFIED |
| OSOverton Sand & Gravel CO | Lexington | NE | — | ◇ UNVERIFIED |
| OSOverton Sand & Gravel Company | Overton | NE | — | ◇ UNVERIFIED |
| OPOwen PC Construction 00433 | Portable | ID | — | ◇ UNVERIFIED |
| OBOwens Brothers Concrete CO | Arvada | CO | — | ◇ UNVERIFIED |
| OFOwens-corning Fiberglas Tech | Summit | IL | — | ◇ UNVERIFIED |
| OAOxford Asphalt & Paving | Oxford | MA | — | ◇ UNVERIFIED |
| OAOxford Auxiliary Division of B and B Concrete Company INC | Oxford | MS | — | ◇ UNVERIFIED |
| OCOxford Construction, Plt 4 | Blakely | GA | — | ◇ UNVERIFIED |
| OBOzark Building Materials, LLC Plant 1 | Saint Louis | MO | — | ◇ UNVERIFIED |
| OROzark Ready Mix | Eldon | MO | — | ◇ UNVERIFIED |
| OROzark Ready Mix Company INC. | Linn Creek | MO | — | ◇ UNVERIFIED |
| OROzark Ready Mix Company, INC. | Lebanon | MO | — | ◇ UNVERIFIED |
| OROzark Ready Mix Kc - Kansas City, Kansas | Kansas City | KS | — | ◇ UNVERIFIED |
| OROzark Ready Mix Kc - Kansas City, Missouri | Kansas City | MO | — | ◇ UNVERIFIED |
| OROzark Ready Mix Kc - Olathe, Kansas | Olathe | KS | — | ◇ UNVERIFIED |
| OROzark Ready Mix - Osage Beach | Osage Beach | MO | — | ◇ UNVERIFIED |
| OROzark Ready Mix - Show Me Ready Mix | Lake Lotawana | MO | — | ◇ UNVERIFIED |
| OBOzinga Bros INC | Joliet | IL | — | ◇ UNVERIFIED |
| OBOzinga Bros Inc-mccook Plant | Mccook | IL | — | ◇ UNVERIFIED |
| OCOzinga Concrete Products - Hampshire | Hampshire | IL | — | ◇ UNVERIFIED |
| OCOzinga Concrete Products Huntley | Huntley | IL | — | ◇ UNVERIFIED |
| OIOzinga Illinois Rmc INC | Elgin | IL | — | ◇ UNVERIFIED |
| OIOzinga Illinois Rmc INC | Monee | IL | — | ◇ UNVERIFIED |
| OMOzinga - Miami Plant | Miami | FL | — | ◇ UNVERIFIED |
| OROzinga Ready Mix | Chicago Heights | IL | — | ◇ UNVERIFIED |
| OROzinga Ready Mix | Naperville | IL | — | ◇ UNVERIFIED |
| OROzinga Ready Mix | Roscoe | IL | — | ◇ UNVERIFIED |
| OROzinga Ready Mix - 103rd St Plant | Chicago | IL | — | ◇ UNVERIFIED |
| OROzinga Ready-mix-belvidere | Belvidere | IL | — | ◇ UNVERIFIED |
| OROzinga Ready-mix-channahon | Channahon | IL | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Concrete - Bremen | Bremen | IN | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Concrete - Elkhart E | Elkhart | IN | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Concrete - Gary | Gary | IN | — | ◇ UNVERIFIED |
| OROzinga Ready Mix Concrete INC | Carol Stream | IL | — | ◇ UNVERIFIED |
| OROzinga Ready Mix Concrete INC | Marengo | IL | — | ◇ UNVERIFIED |
| OROzinga Ready Mix Concrete INC | Aurora | IL | — | ◇ UNVERIFIED |
| OROzinga Ready Mix Concrete INC | Calumet Park | IL | — | ◇ UNVERIFIED |
| OROzinga Ready Mix Concrete INC - Manteno | Manteno | IL | — | ◇ UNVERIFIED |
| OROzinga Ready Mix Concrete INC. - South Bend | South Bend | IN | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Concrete -lisbon/sussex | Sussex | WI | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Concrete - Mchenry | Mchenry | IL | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Concrete - Monee | Monee | IL | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Concrete - Oak Creek | Oak Creek | WI | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Concrete-wheatfield | Wheatfield | IN | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Davie | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| OROzinga Ready-mix-deerfield Beach | Pompano Beach | FL | — | ◇ UNVERIFIED |
| OROzinga Ready-mix-dekalb | Dekalb | IL | — | ◇ UNVERIFIED |
| OROzinga Ready Mix-golden Glades | Miami | FL | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Goshen | Goshen | IN | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Miami 17th St | Miami | FL | — | ◇ UNVERIFIED |
| OSOzinga South Florida, Inc., Proposed Miami Gardens Cbp | Miami | FL | — | ◇ UNVERIFIED |
| OSOzinga South Florida INC. - Riviera Beach Plant 440 | Riviera Beach | FL | — | ◇ UNVERIFIED |
| OWOzinga Waveland | Franklin Park | IL | — | ◇ UNVERIFIED |
| PBPabco Building Products (f#4070) | Sacramento | CA | — | ◇ UNVERIFIED |
| PCPace Construction CO | Salem | MO | — | ◇ UNVERIFIED |
| PCPace Construction CO - Central-moscow Mills | Moscow Mills | MO | — | ◇ UNVERIFIED |
| PCPace Construction Co-danville Asphalt #1 | Montgomery | MO | — | ◇ UNVERIFIED |
| PCPace Construction Co-pace Construction CO | Saint Louis | MO | — | ◇ UNVERIFIED |
| PCPace Construction CO - Warrenton Plant | Warrenton | MO | — | ◇ UNVERIFIED |
| PCPacific Cast Stone | Lincoln | NE | — | ◇ UNVERIFIED |
| PRPai Ready Mix LLC - Many Plant | Many | LA | — | ◇ UNVERIFIED |
| PLPa Landers INC | Hanover | MA | — | ◇ UNVERIFIED |
| PCPalestine Concrete Tile CO. L.p. | Palestine | TX | — | ◇ UNVERIFIED |
| PBPalmdale Batch Plant | Palmdale | CA | — | ◇ UNVERIFIED |
| PPPalmer Paving | Barre | MA | — | ◇ UNVERIFIED |
| PPPalmer Paving Corporation | Easthampton | MA | — | ◇ UNVERIFIED |
| PTPalomar Transit Mix CO | Escondido | CA | — | ◇ UNVERIFIED |
| PCPanama City | Panama City | FL | — | ◇ UNVERIFIED |
| PCPanama City Asphalt Plant | Panama City | FL | — | ◇ UNVERIFIED |
| PIPandle Inc, Asphalt Paving Company | Pascagoula | MS | — | ◇ UNVERIFIED |
| PRParadise Ready Mix | Paradise | CA | — | ◇ UNVERIFIED |
| PCParamount Compound | Pago Pago | AS | — | ◇ UNVERIFIED |
| PPParamount Precast Design INC | Sun Valley | CA | — | ◇ UNVERIFIED |
| PRParamount Ready Mix Concrete Plant 23 | Paramount | CA | — | ◇ UNVERIFIED |
| PUParex USA | Cleburne | TX | — | ◇ UNVERIFIED |
| PRParish Ready Mix,inc. | Walker | LA | — | ◇ UNVERIFIED |
| PCPark City Ready-mix Concrete | Park City | UT | — | ◇ UNVERIFIED |
| PAParkway Asphalt, INC. | Riviera Beach | FL | — | ◇ UNVERIFIED |
| PCParleys Canyon Aggregate (pit 16) | Salt Lake County | UT | — | ◇ UNVERIFIED |
| PPaschen-newberg-foster | Chicago | IL | — | ◇ UNVERIFIED |
| PAPasteryak Asphalt, LLC | Coventry | RI | — | ◇ UNVERIFIED |
| PAPatterson Asphalt Industries LLC | Warren | ME | — | ◇ UNVERIFIED |
| PHPaul H Rohe CO #3 | Versailles | IN | — | ◇ UNVERIFIED |
| PHPaul H Rohe Company INC | Greensburg | IN | — | ◇ UNVERIFIED |
| PHPaul H Rohe Company Incorporated | Aurora | IN | — | ◇ UNVERIFIED |
| PIPaulsen INC. (portable) | Portable | KS | — | ◇ UNVERIFIED |
| PKPaulsen Ka-50 Plant | Elm Creek | NE | — | ◇ UNVERIFIED |
| PLPavemix Lynchburg LLC | Lynchburg | VA | — | ◇ UNVERIFIED |
| PPavestone | San Marcos | TX | — | ◇ UNVERIFIED |
| PPavestone | Grapevine | TX | — | ◇ UNVERIFIED |
| PCPavestone - Cape Girardeau, Mo Plant | Scott City | MO | — | ◇ UNVERIFIED |
| PCPavestone - Charlotte, Nc Plant | Charlotte | NC | — | ◇ UNVERIFIED |
| PCPavestone - Cincinnati, Oh Plant | Cincinnati | OH | — | ◇ UNVERIFIED |
