| NANorth American Fence & Supply Company INC | Upper Marlboro | MD | — | ◇ UNVERIFIED |
| NANorth Atlantic Corporation | Somerset | MA | — | ◇ UNVERIFIED |
| NBNorth Bay Woods, INC | Sebastopol | CA | — | ◇ UNVERIFIED |
| NCNorth Carolina Chip Company | Sims | NC | — | ◇ UNVERIFIED |
| NCNorth Carolina Mulch, INC. | Middlesex | NC | — | ◇ UNVERIFIED |
| NBNortheast Bladecutters LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| NCNortheast Crane Mat Corporation | Queensbury | NY | — | ◇ UNVERIFIED |
| NMNortheast Millwork Inc. | South Casco | ME | — | ◇ UNVERIFIED |
| NCNorthern Component Solutions, LLC | Florence | WI | — | ◇ UNVERIFIED |
| NCNorthern Contours, INC | Mesa | AZ | — | ◇ UNVERIFIED |
| NKNorthern Kentucky Cedar LLC | Maysville | KY | — | ◇ UNVERIFIED |
| NINorth Idaho Post and Pole | Rathdrum | ID | — | ◇ UNVERIFIED |
| NMNorth Mountain Structures, LLC | Chambersburg | PA | — | ◇ UNVERIFIED |
| NSNorth Star Rms,llc Dba Northstar Chipping | Morehead City | NC | — | ◇ UNVERIFIED |
| NSNorth States Wood Gates INC. | Shawano | WI | — | ◇ UNVERIFIED |
| NWNorth Woods Finishing LLC | Isanti | MN | — | ◇ UNVERIFIED |
| NFNorwalk Furniture CORP Norco Division | Cookeville | TN | — | ◇ UNVERIFIED |
| NRNova Recon | Manassas | VA | — | ◇ UNVERIFIED |
| NINull Industries INC | Maiden | NC | — | ◇ UNVERIFIED |
| NCNurre Caxton Manufacturing Company | Erlanger | KY | — | ◇ UNVERIFIED |
| NLNwb, LLC | Napa | CA | — | ◇ UNVERIFIED |
| NCNy Cabinet Factory INC | Staten Island | NY | — | ◇ UNVERIFIED |
| NTNy Tempering LLC | Plainview | NY | — | ◇ UNVERIFIED |
| NGNzilani Glass Conservation INC | Oakland | CA | — | ◇ UNVERIFIED |
| OVOak Valley Hardwoods, INC. (robbinsville) | Robbinsville | NC | — | ◇ UNVERIFIED |
| OVOakwood Veneer Company | Troy | MI | — | ◇ UNVERIFIED |
| OBO. B. Builders, INC | Concord | NC | — | ◇ UNVERIFIED |
| OSO'brien Stained Glass CO INC | Rollingstone | MN | — | ◇ UNVERIFIED |
| OBObriot Builders INC. | Apollo | PA | — | ◇ UNVERIFIED |
| OWOccasion Wood Supply, LLC | Bountiful | UT | — | ◇ UNVERIFIED |
 Occupational Development Center INC. | Crookston | MN | — | ◇ UNVERIFIED |
| OSOceana Stained Glass | San Mateo | CA | — | ◇ UNVERIFIED |
| OGOcean Glass & Mirror Co., INC. | Lowell | MA | — | ◇ UNVERIFIED |
| OSOceanic Systems INC | Dallas | TX | — | ◇ UNVERIFIED |
| OCOctober CO INC | Easthampton | MA | — | ◇ UNVERIFIED |
| OMOhio Mirror Technologies, INC. | Paulding | OH | — | ◇ UNVERIFIED |
| OMOhio Mulch Supply, INC. | Homerville | GA | — | ◇ UNVERIFIED |
| OMOhio Mulch Supply INC. (0125042476) | Columbus | OH | — | ◇ UNVERIFIED |
| OVOhio Valley Barn Salvage LLC | Mount Gilead | OH | — | ◇ UNVERIFIED |
| OMOlaf M Oja Lumber CO | Sandy | OR | — | ◇ UNVERIFIED |
| OGOlathe Glass Company, Inc. | Olathe | KS | — | ◇ UNVERIFIED |
| OOldcastle | Emlenton | PA | — | ◇ UNVERIFIED |
| OOldcastle | Abbeville | AL | — | ◇ UNVERIFIED |
| OBOldcastle Buildingenvelope | Tampa | FL | — | ◇ UNVERIFIED |
| OBOldcastle Building Envelope INC | Albertville | MN | — | ◇ UNVERIFIED |
| OBOldcastle Buildingenvelope, INC North | North Miami Beach | FL | — | ◇ UNVERIFIED |
| OBOldcastle Buildingenvelope INC South | Miami | FL | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden | Spring Grove | PA | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden INC. | Nampa | ID | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden, INC. | Hartville | OH | — | ◇ UNVERIFIED |
