| NPNebraska Precast, LLC | Columbus | NE | — | ◇ UNVERIFIED |
| NPNedrow Plant | Nedrow | NY | — | ◇ UNVERIFIED |
| NBNehalem Bay Ready Mix Mohler Sand & Gravel LLC | Nehalem | OR | — | ◇ UNVERIFIED |
| NBNelson Bros Ready Mix Northlake | Roanoke | TX | — | ◇ UNVERIFIED |
 Nelson Precast Products, LLC | Towson | MD | — | ◇ UNVERIFIED |
| Nelson Precast Products, LLC | Baltimore | MD | — | ◇ UNVERIFIED |
| NCNeo Concrete & Materials, INC. | Grove | OK | — | ◇ UNVERIFIED |
| NCNeosho Concrete Products Inc-neosho Concrete Products INC | Neosho | MO | — | ◇ UNVERIFIED |
| NCNesl Chambersburg Facility | Chambersburg | PA | — | ◇ UNVERIFIED |
| NCNevada Cbp | Nevada | TX | — | ◇ UNVERIFIED |
| NRNevada Ready Mix | Las Vegas | NV | — | ◇ UNVERIFIED |
| NRNevada Ready Mix (lone Mt.) | North Las Vegas | NV | — | ◇ UNVERIFIED |
| NBNew Bethlehem Burial Services, INC. | New Bethlehem | PA | — | ◇ UNVERIFIED |
| NCNew Canton Concrete | New Canton | VA | — | ◇ UNVERIFIED |
| NCNewcastle Concrete Batch Plant | Newcastle | WY | — | ◇ UNVERIFIED |
| NCNewcastle Concrete Batch Plant | Weston | WY | — | ◇ UNVERIFIED |
| NPNewcastle Precast LLC | Portland | OR | — | ◇ UNVERIFIED |
| NENewell Enterprises | Barbourville | KY | — | ◇ UNVERIFIED |
| NENewell Enterprises | Pineville | KY | — | ◇ UNVERIFIED |
| NENew England Cement CORP INC | Chicago | IL | — | ◇ UNVERIFIED |
| NKNew Kent Ready-mix | West Point | VA | — | ◇ UNVERIFIED |
| NSNewman & Sons INC. | Bloomington | CA | — | ◇ UNVERIFIED |
| NMNewmont Mining CORP - Phoenix Mine | Battle Mountain | NV | — | ◇ UNVERIFIED |
| NPNewmont Phoenix Mine Site | Battle Mountain | NV | — | ◇ UNVERIFIED |
| NONew Orleans Airport Ready Mix | Kenner | LA | — | ◇ UNVERIFIED |
| NCNiche Concrete Solutions Inc | Hayden | ID | — | ◇ UNVERIFIED |
| NONicholas of Jacksonville LLC | Jacksonville | IL | — | ◇ UNVERIFIED |
| NINicmar Industries INC Dba George R Roberts Company | Alfred | ME | — | ◇ UNVERIFIED |
| NRNicolia Ready Mix | Shirley | NY | — | ◇ UNVERIFIED |
| NBNiederwald Batch Plant 1 | Niederwald | TX | — | ◇ UNVERIFIED |
| NINielsons INC | Moffat County (portable) | CO | — | ◇ UNVERIFIED |
| NPNips Pre-cast | Spring Hill | KS | — | ◇ UNVERIFIED |
| NCNitterhouse Concrete Precast Plt | Chambersburg | PA | — | ◇ UNVERIFIED |
| NLN. Little Rock Plant 602 | North Little Rock | AR | — | ◇ UNVERIFIED |
| NHNolan H. Cope, INC. | Lamesa | TX | — | ◇ UNVERIFIED |
| NHNolen H Cope, INC. | Lamesa | TX | — | ◇ UNVERIFIED |
| NMNorcal Materials LLC Dba Harbor Ready Mix | San Carlos | CA | — | ◇ UNVERIFIED |
| NRNor-cal Rock INC | Hayward | CA | — | ◇ UNVERIFIED |
| NRNor-cal Rock, INC | Oakland | CA | — | ◇ UNVERIFIED |
| NRNorfolk Rmc Facility | Norfolk | VA | — | ◇ UNVERIFIED |
| NSNorfolk Southern Railway | Spartanburg | SC | — | ◇ UNVERIFIED |
| NANorth Alabama Concrete, INC. | Jasper | AL | — | ◇ UNVERIFIED |
| NANorth American Pipe & Precast | Courtland | MN | — | ◇ UNVERIFIED |
| NANorth American Precast Company | Houston | TX | — | ◇ UNVERIFIED |
| NBNorth Bergen | North Bergen | NJ | — | ◇ UNVERIFIED |
| NBNorth Birmingham Plant | Birmingham | AL | — | ◇ UNVERIFIED |
| NANortheast Architectural Products INC. | Archbald | PA | — | ◇ UNVERIFIED |
| NCNortheast Concrete Products CORP. | Plainville | MA | — | ◇ UNVERIFIED |
| NRNortheastern Ready Mix INC | Elizabeth City | NC | — | ◇ UNVERIFIED |
| NNNortheast Nanticoke Facility | Nanticoke | PA | — | ◇ UNVERIFIED |
| NONortheast Ohio Precast LLC | Salem | OH | — | ◇ UNVERIFIED |
| NPNortheast Prestressed Products, LLC | Brogue | PA | — | ◇ UNVERIFIED |
| NPNortheast Prestressed Products, LLC. | Pottsville | PA | — | ◇ UNVERIFIED |
| NINorthern Il Wilbert Vault CO INC | Belvidere | IL | — | ◇ UNVERIFIED |
| NRNorthern Ready Mix, LLC | Fulton | NY | — | ◇ UNVERIFIED |
| NMNorthfield Mundelein Plant | Mundelein | IL | — | ◇ UNVERIFIED |
| NRNorthgate Ready Mix | Windsor | CA | — | ◇ UNVERIFIED |
| NRNorthgate Ready Mix | Windsor | CA | — | ◇ UNVERIFIED |
| NRNorthgate Ready Mix | Santa Rosa | CA | — | ◇ UNVERIFIED |
| NHNorth Houston Plant | Fort Worth | TX | — | ◇ UNVERIFIED |
| NRNorthland Ready Mix INC | Pleasant Valley | MO | — | ◇ UNVERIFIED |
| NMNorth Marina Ameron Hulbert | Everett | WA | — | ◇ UNVERIFIED |
| NSNorth State Asphalt INC. | Cottonwood | CA | — | ◇ UNVERIFIED |
| NVNorth Valley Ready Mix | Chico | CA | — | ◇ UNVERIFIED |
| NANorthwest Aggregates Snoqualmie | Snoqualmie | WA | — | ◇ UNVERIFIED |
| NCNorthwest Concrete Products INC | Roseau | MN | — | ◇ UNVERIFIED |
| NINorthwest Illinois Construction CO | Rock Falls | IL | — | ◇ UNVERIFIED |
| NRNorthwest Ready Mix, INC. | Astoria | OR | — | ◇ UNVERIFIED |
| NCNorthwind Concrete Products CO | Posen | IL | — | ◇ UNVERIFIED |
| NCNorthwind Concrete Products CO | South Beloit | IL | — | ◇ UNVERIFIED |
 Norwalk Concrete Industries, INC. | Norwalk | OH | — | ◇ UNVERIFIED |
| NRNorwalk Ready Mix Concrete INC | Indianola | IA | — | ◇ UNVERIFIED |
| NRNorwalk Ready Mixed Concrete INC. - Desoto | De Soto | IA | — | ◇ UNVERIFIED |
| NVNorwalk Vault CO. of Missouri INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| NPNotus Pit | Caldwell | ID | — | ◇ UNVERIFIED |
| NBNova Brik Midamerica Llc-sikeston | Sikeston | MO | — | ◇ UNVERIFIED |
| NCNova Crete, INC. | Fort Lee | NJ | — | ◇ UNVERIFIED |
| NANov Ameron | Anniston | AL | — | ◇ UNVERIFIED |
| NINucast Industries INC | Corona | CA | — | ◇ UNVERIFIED |
| NLNurazzo, LLC | Dalton | GA | — | ◇ UNVERIFIED |
| NCNuvo Construction Company, INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| NCNW Concrete Vent Wells LLC | Gervais | OR | — | ◇ UNVERIFIED |
| OROakland Ready Mix Company | Oakland | CA | — | ◇ UNVERIFIED |
| OCOaks Concrete Products INC | Wixom | MI | — | ◇ UNVERIFIED |
| OLOberfield's LLC | Delaware | OH | — | ◇ UNVERIFIED |
| OCOberlin Concrete | Oberlin | KS | — | ◇ UNVERIFIED |
| ORO'brien Ready Mix - Chanute Plant | Chanute | KS | — | ◇ UNVERIFIED |
| ORO'brien Ready Mix - Fort Scott Plant | Fort Scott | KS | — | ◇ UNVERIFIED |
| ORO'brien Ready Mix - Frontenac Plant | Frontenac | KS | — | ◇ UNVERIFIED |
| ORObrien Rock Co., INC. | Frontenac | KS | — | ◇ UNVERIFIED |
| ORObrien Rock Co., INC. (see 7770486) | Dexter | KS | — | ◇ UNVERIFIED |
| ORObrien Rock - Galena | Galena | KS | — | ◇ UNVERIFIED |
| OCObt Concrete Batch Plant | Orlando | FL | — | ◇ UNVERIFIED |
| OGOcean Granite and Marble LLC | Little Egg Harbor Twp | NJ | — | ◇ UNVERIFIED |
| OROceanside Rmc Plant | Oceanside | CA | — | ◇ UNVERIFIED |
| OCOconee Concrete Company, INC. | Phenix City | AL | — | ◇ UNVERIFIED |
| OCOconee Concrete Company, INC. | Opelika | AL | — | ◇ UNVERIFIED |
| ODO Daniel Trucking CO | Grayville | IL | — | ◇ UNVERIFIED |
| OCOdum Concrete Products INC | Marion | IL | — | ◇ UNVERIFIED |
| OCOdum Concrete Products INC | Benton | IL | — | ◇ UNVERIFIED |
