| NSNorthern State Correctional Facility | Newport | VT | — | ◇ UNVERIFIED |
| NGNorth Garden | North Garden | VA | — | ◇ UNVERIFIED |
| NINorth Idaho College | Coeur D Alene | ID | — | ◇ UNVERIFIED |
| NINorth Idaho Energy Logs - Hauser | Hauser | ID | — | ◇ UNVERIFIED |
| NINorth Idaho Wood Preserving | Rathdrum | ID | — | ◇ UNVERIFIED |
| NJNorth Jersey Wood Products | Jersey City | NJ | — | ◇ UNVERIFIED |
| NWNorthshore Wood Products | Duluth | MN | — | ◇ UNVERIFIED |
| NSNorth South Wood Preserving Company | North | SC | — | ◇ UNVERIFIED |
| NSNorth State Wood Products | Newton | NC | — | ◇ UNVERIFIED |
| NBNorthwest Building Tech | Seattle | WA | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods | Mount Vernon | WA | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods | Loudonville | OH | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods, INC. | Marion | NC | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods, INC. | Goldsboro | NC | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods, INC. | Marion | NC | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods, Inc., Dailey | Dailey | WV | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods, INC. - Frametown Saw Mill | Frametown | WV | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods, INC - Hacker Valley Sawmill | Hacker Valley | WV | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods, Inc., Marlinton | Marlington | WV | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods INC - Maury River | Buena Vista | VA | — | ◇ UNVERIFIED |
| NWNorth Woods Finishing LLC | Isanti | MN | — | ◇ UNVERIFIED |
| NCNorwalk Custom Order Furniture (0339020083) | Norwalk | OH | — | ◇ UNVERIFIED |
| NVNorwalk Vault | Saint Louis | MO | — | ◇ UNVERIFIED |
 Novamet Specialty Products CORP | Wyckoff | NJ | — | ◇ UNVERIFIED |
| NRNova Recon | Manassas | VA | — | ◇ UNVERIFIED |
| NSNpdes Stormwater Par224853 | Woodland | PA | — | ◇ UNVERIFIED |
| NBNps - Brentwood Maintenance Facility of the National Mall and Memorial Parks | Washington | DC | — | ◇ UNVERIFIED |
| NBNtn Bearing | Des Plaines | IL | — | ◇ UNVERIFIED |
| NNtt/verio | Chicago | IL | — | ◇ UNVERIFIED |
| NINull Industries INC | Maiden | NC | — | ◇ UNVERIFIED |
| NMNu-mode Manufacturing Company | Taylorsville | NC | — | ◇ UNVERIFIED |
| NCNurre Caxton Manufacturing Company | Erlanger | KY | — | ◇ UNVERIFIED |
| NWNu Woods Incorporated | Lenoir | NC | — | ◇ UNVERIFIED |
| NCNvf Co/kennett Plt | Kennett Square | PA | — | ◇ UNVERIFIED |
| NFNydree Flooring LLC | Forest | VA | — | ◇ UNVERIFIED |
| NPNye Portfolio | Boca Raton | FL | — | ◇ UNVERIFIED |
| ODOak Designs | Manchester | NH | — | ◇ UNVERIFIED |
| ODOakfield Development | Rockton | IL | — | ◇ UNVERIFIED |
| OPOak Park Village of | Oak Park | IL | — | ◇ UNVERIFIED |
| OIOakridge Industrial Park | Oakridge | OR | — | ◇ UNVERIFIED |
| OROak River Cleaners | Westchester | IL | — | ◇ UNVERIFIED |
| OROak River Cleaners | Oak Park | IL | — | ◇ UNVERIFIED |
| OVOak Valley Hardwoods, INC. | Morganton | NC | — | ◇ UNVERIFIED |
| OVOak Valley Hardwoods, INC. (robbinsville) | Robbinsville | NC | — | ◇ UNVERIFIED |
| OVOak Valley Hardwoods Pilot Mountain | Pilot Mountain | NC | — | ◇ UNVERIFIED |
| OVOak Valley Hardwoods/woodlawn | Marion | NC | — | ◇ UNVERIFIED |
| OFOakville Forest Products INC | Oakville | WA | — | ◇ UNVERIFIED |
| OIOakwood Interiors | Ontario | CA | — | ◇ UNVERIFIED |
| OLOchoco Lumber Company | Prineville | OR | — | ◇ UNVERIFIED |
| OLOctave Labs LLC | Pleasant Hill | OR | — | ◇ UNVERIFIED |
| OLOctave Labs LLC | Springfield | OR | — | ◇ UNVERIFIED |
| OCOctober CO INC | Easthampton | MA | — | ◇ UNVERIFIED |
| OCOffice Chairs INC Dba Oci Sitwell | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| OTOff the Wall CO LLC | Telford | PA | — | ◇ UNVERIFIED |
 Ofs Brands Holdings INC - Plant 11 | Leitchfield | KY | — | ◇ UNVERIFIED |
| OBOfs Brands Incorporated | Huntingburg | IN | — | ◇ UNVERIFIED |
| OBOfs Brands Incorporated Plant 3b | Huntingburg | IN | — | ◇ UNVERIFIED |
| OBOfs Brands INC Plant 23 | Archdale | NC | — | ◇ UNVERIFIED |
| OAOgb Architectural Millwork, INC. | Albuquerque | NM | — | ◇ UNVERIFIED |
| OMOhio Mulch Supply INC. (0125042476) | Columbus | OH | — | ◇ UNVERIFIED |
| OVOkaw Valley Woodworking | Arcola | IL | — | ◇ UNVERIFIED |
| OPOklahoma Pole and Lumber INC / Oklahoma Pole and Lumber INC | Broken Bow | OK | — | ◇ UNVERIFIED |
| OOldcastle | Elmer | NJ | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden | Tulia | TX | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden | Cedartown | GA | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden | Bruceton Mills | WV | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden Elmer | Elmer | NJ | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden, INC. | Davenport | FL | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden, INC. | Suffield, Township of | OH | — | ◇ UNVERIFIED |
| OCOld Castle Lawn and Garden INC - Pageland Plant | Pageland | SC | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Elk River | MN | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Powderly | TX | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Amherst Junction | WI | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Cleveland | TX | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Mclean | IL | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Shady Dale | GA | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Tylertown | MS | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Livingston | TX | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Elgin | TX | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Noblesville | IN | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Hope | AR | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Waterloo | IN | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Hartville | OH | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Springfield | OH | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Walterboro | SC | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Oskaloosa | IA | — | ◇ UNVERIFIED |
| OCOld Castle Lawn & Garden INC | Cross City | FL | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden INC | Wauchula | FL | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden INC | Marseilles | IL | — | ◇ UNVERIFIED |
| ODOld Durham Wood | Durham | CA | — | ◇ UNVERIFIED |
| OHOld Hickory Tannery INC | Newton | NC | — | ◇ UNVERIFIED |
| OLOld Lane Plant | Rocky Mount | VA | — | ◇ UNVERIFIED |
| OMOld Mill Building Site | Bend | OR | — | ◇ UNVERIFIED |
| OSOld School Market INC | Sullivan | IL | — | ◇ UNVERIFIED |
| OSOld South Wood Preserving, INC. | Summertown | TN | — | ◇ UNVERIFIED |
| OVOld Virginia Furniture Company Dba Water | Lynchburg | VA | — | ◇ UNVERIFIED |
| OGOlen G. Parkhill Owner of Kendallwood Estates | Mahomet | IL | — | ◇ UNVERIFIED |
| OSOlivette Supply Co, INC | Greers Ferry | AR | — | ◇ UNVERIFIED |
| OWOlivier-celcure Wood Preserving CORP | New Orleans | LA | — | ◇ UNVERIFIED |
| OCOlsonite CORP Algoma Wi Division | Algoma | WI | — | ◇ UNVERIFIED |
