| NJNicholas J Hobl | Medford | WI | — | ◇ UNVERIFIED |
| NMNick Moore Dba Ncm Millworks | Adamsville | TN | — | ◇ UNVERIFIED |
| NCNick's Custom Woodworking | San Antonio | TX | — | ◇ UNVERIFIED |
| NDNick's Doors, INC. | Azusa | CA | — | ◇ UNVERIFIED |
| NINigella Industries INC. | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| NCNissen & Company INC | South El Monte | CA | — | ◇ UNVERIFIED |
| NNN & N Cabinets, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
 Noise Barriers LLC | Libertyville | IL | — | ◇ UNVERIFIED |
| NPNolen Products, INC. | Knoxville | TN | — | ◇ UNVERIFIED |
| NTNoltex Truss | Grandview | TX | — | ◇ UNVERIFIED |
| NNNo Name Lumber, LLC | Piketon | OH | — | ◇ UNVERIFIED |
| NINoralco Industries, INC. | Albertville | AL | — | ◇ UNVERIFIED |
| NINorman International INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| NMNorris Milling - Lumber, INC | Four Oaks | NC | — | ◇ UNVERIFIED |
| NANorth Atlantic Corporation | Somerset | MA | — | ◇ UNVERIFIED |
| NBNorth Bay Plywood INC. | Napa | CA | — | ◇ UNVERIFIED |
| NCNorth Cal Wood Products | Ukiah | CA | — | ◇ UNVERIFIED |
| NWNortheastern Wisconsin Wood Products | Pound | WI | — | ◇ UNVERIFIED |
| NTNortheast Tree Harvesting Inc. | Easton | ME | — | ◇ UNVERIFIED |
| NENorth East Windows USA LLC. | Merrick | NY | — | ◇ UNVERIFIED |
| NCNorthern Contours, INC | Mesa | AZ | — | ◇ UNVERIFIED |
| NCNorthern Contours - Rtf Plant | Fergus Falls | MN | — | ◇ UNVERIFIED |
| NCNorthern Contours Veneer Isw | Fergus Falls | MN | — | ◇ UNVERIFIED |
| NHNorthern Hardwoods Lumber, LLC | South Range | MI | — | ◇ UNVERIFIED |
| NPNorthern Products of Wisc., INC. | Florence | WI | — | ◇ UNVERIFIED |
| NPNorthern Promotions, LLC | Lachine | MI | — | ◇ UNVERIFIED |
| NWNorthern Woodwork INC | Thief River Falls | MN | — | ◇ UNVERIFIED |
| NCNorthland Cedar | Richfield | CA | — | ◇ UNVERIFIED |
| NONorth Oak Enterprises Inc | Wyoming | MN | — | ◇ UNVERIFIED |
| NONorth Oak Enterprises, INC. | Minneapolis | MN | — | ◇ UNVERIFIED |
| NANorthstar Ag & Forestry LLC | Wolcott | NY | — | ◇ UNVERIFIED |
| NWNorth Wales Millwork, INC. | Chalfont | PA | — | ◇ UNVERIFIED |
| NDNorthwest Door and Supply INC | Tualatin | OR | — | ◇ UNVERIFIED |
| NDNorthwest Door INC | Puyallup | WA | — | ◇ UNVERIFIED |
| NDNorthwest Door & Sash Company | Springfield | OR | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods | Hamden | OH | — | ◇ UNVERIFIED |
| NWNorth West Hardwoods, INC. | Tuscumbia | AL | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods INC | Myrtle Point | OR | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods INC | Garibaldi | OR | — | ◇ UNVERIFIED |
| NMNorthwest Millwork INC | Salem | OR | — | ◇ UNVERIFIED |
| NRNorthwest Renewable Energy Group, LLC | Enumclaw | WA | — | ◇ UNVERIFIED |
| NWNorthwest Wood Reflections INC | Eugene | OR | — | ◇ UNVERIFIED |
| NLNorthwood Lumber LLC | Mio | MI | — | ◇ UNVERIFIED |
| NNovatech | Ridgeway | VA | — | ◇ UNVERIFIED |
| NFNu Forest Products | Healdsburg | CA | — | ◇ UNVERIFIED |
| NFNumatic Finishing Corporation | Auburn | WA | — | ◇ UNVERIFIED |
| NANw Artisan Hardware INC. | Kaysville | UT | — | ◇ UNVERIFIED |
| NWN Wood Systems LLC | West Jordan | UT | — | ◇ UNVERIFIED |
| OHOak-dale Hardwood Products, INC | Spring Valley | WI | — | ◇ UNVERIFIED |
| OHOak Hill Lumber Products | Oak Hill | FL | — | ◇ UNVERIFIED |
| OVOak Valley Hardwoods, INC. | Marion | NC | — | ◇ UNVERIFIED |
| OTOasis Trading, L.L.C. | Warren | AR | — | ◇ UNVERIFIED |
| OSOcean Sash & Door INC | San Francisco | CA | — | ◇ UNVERIFIED |
| ODOchoa Door & Trim LLC | Mesa | AZ | — | ◇ UNVERIFIED |
| OLOchoco Lumber Company | John Day | OR | — | ◇ UNVERIFIED |
| OMOconee Millworks Trim and Door LLC | Union Point | GA | — | ◇ UNVERIFIED |
| OSOdon Sawmill INC | Odon | IN | — | ◇ UNVERIFIED |
| OBOgden Building Products Distribution | Ogden | UT | — | ◇ UNVERIFIED |
| OOhline | Gardena | CA | — | ◇ UNVERIFIED |
| OSOhline Shutters | Gardena | CA | — | ◇ UNVERIFIED |
| OIOkeefee's INC Dba Saftifirst | Merced | CA | — | ◇ UNVERIFIED |
| OCOklahoma Cabinets & More, LLC | Owasso | OK | — | ◇ UNVERIFIED |
| OWOkna Windows Corporation | Bristol | PA | — | ◇ UNVERIFIED |
| OWOlde Wood Mill INC. | Omaha | NE | — | ◇ UNVERIFIED |
| OHOld Harlan Mill | Blodgett | OR | — | ◇ UNVERIFIED |
| OTOld Town Lumber | Old Town | ME | — | ◇ UNVERIFIED |
| OWOld World Classics INC and Provenza Floors INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| OHOlive Hill Hardwoods, INC. | Olivehill | TN | — | ◇ UNVERIFIED |
| OBOliveri Brothers Construction Corp. | West Palm Beach | FL | — | ◇ UNVERIFIED |
| OMOlney Mill INC | Astoria | OR | — | ◇ UNVERIFIED |
| OIOlon Industries INC | Jeffersonville | IN | — | ◇ UNVERIFIED |
| ODOlsen Development Company INC | Lansing | MI | — | ◇ UNVERIFIED |
| OCOlympic Cedar Products INC | Forks | WA | — | ◇ UNVERIFIED |
| ONOmega National Products LLC | Louisville | KY | — | ◇ UNVERIFIED |
| OEOpen Enclose, LLC | Tucson | AZ | — | ◇ UNVERIFIED |
| OEOpen Enclose, LLC | Tucson | AZ | — | ◇ UNVERIFIED |
| OSOrange Stair & Millwork INC | Riverside | CA | — | ◇ UNVERIFIED |
| OPOrdie Price's Sawmill INC. | South Gibson | PA | — | ◇ UNVERIFIED |
| OCOregon Canadian Forest Products INC | North Plains | OR | — | ◇ UNVERIFIED |
| OPOregon Pacific Bldg Products INC | Dallas | OR | — | ◇ UNVERIFIED |
| ODOriginal Display Fixtures | Vallejo | CA | — | ◇ UNVERIFIED |
| OMOrnamental Mouldings Incorporated | Archdale | NC | — | ◇ UNVERIFIED |
| OSO' Shea Lumber Company INC | Glen Rock | PA | — | ◇ UNVERIFIED |
| OIOssiriand, Inc. | Creston | NC | — | ◇ UNVERIFIED |
| OGOsvaldo Gomez Canales | Canovanas | PR | — | ◇ UNVERIFIED |
| OFOttley Floor Co. Inc. | Murray | UT | — | ◇ UNVERIFIED |
| OCOuro Custom Woodwork, INC. | Deerfield Beach | FL | — | ◇ UNVERIFIED |
| ODOverhead Door Corporation | Fremont | CA | — | ◇ UNVERIFIED |
| ODOverhead Door Corporation - Wayne Dalton | Mount Hope | OH | — | ◇ UNVERIFIED |
| OHOverseas Hardwoods Company, INC. | Lufkin | TX | — | ◇ UNVERIFIED |
| OFOwen Farmwald Sawmill | Jasper | NY | — | ◇ UNVERIFIED |
| OLOwens Lumber Company, INC. | Pine Apple | AL | — | ◇ UNVERIFIED |
| OLOwens Lumber Company, INC. | Tallapoosa | GA | — | ◇ UNVERIFIED |
| OSOwens Saw Mill INC | Arlington | KY | — | ◇ UNVERIFIED |
| OMOzark Mountain Hardwood Inc-ozark Mountain Hardwood INC | Koshkonong | MO | — | ◇ UNVERIFIED |
| OWOzark Wood Fiber | Goodman | MO | — | ◇ UNVERIFIED |
| PAPacific Architectural Millworkna INC. | La Habra | CA | — | ◇ UNVERIFIED |
| PAPacific Architectural Wood Products | Portland | OR | — | ◇ UNVERIFIED |
| PCPacific Clears INC. | Arcata | CA | — | ◇ UNVERIFIED |
| PCPacific Coast Door & Millwork | Stockton | CA | — | ◇ UNVERIFIED |
