| NWNucor Warehouse Systems | Los Angeles | CA | — | ◇ UNVERIFIED |
| NSNursery Supplies INC | Kissimmee | FL | — | ◇ UNVERIFIED |
| NINu-way Industries INC | Des Plaines | IL | — | ◇ UNVERIFIED |
| NBNvp Building Expansion | Nephi | UT | — | ◇ UNVERIFIED |
| NONyloncraft of Michigan | Jonesville | MI | — | ◇ UNVERIFIED |
| NCNypro Colorado INC | Longmont | CO | — | ◇ UNVERIFIED |
| NPNypro Puerto Rico INC | Cayey | PR | — | ◇ UNVERIFIED |
| NINyx Inc-livonia-28100 Plymouth | Livonia | MI | — | ◇ UNVERIFIED |
| OHOak Hollow Woodworks Incorporated | Chilhowie | VA | — | ◇ UNVERIFIED |
| OTOak Technical, INC. | Ravenna | OH | — | ◇ UNVERIFIED |
| OTOak Technical LLC. | Tullahoma | TN | — | ◇ UNVERIFIED |
| OPOakwood Plastics Division | Taylor | MI | — | ◇ UNVERIFIED |
| OCOcv Control Valves Precision Coatings / Ocv Control Valves Precision Coatings | Tulsa | OK | — | ◇ UNVERIFIED |
| OIOddello Industries, LLC | Morristown | TN | — | ◇ UNVERIFIED |
| OBOerlikon Balzers | Lake Orion | MI | — | ◇ UNVERIFIED |
| OBOerlikon Balzers Coating USA INC | East Tawas | MI | — | ◇ UNVERIFIED |
| OBOerlikon Balzers Coating Usa, INC | Pell City | AL | — | ◇ UNVERIFIED |
| OBOerlikon Balzers USA INC | Rock Hill | SC | — | ◇ UNVERIFIED |
 Oerlikon Metco (us) INC. | Barboursville | WV | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure | Kennedale | TX | — | ◇ UNVERIFIED |
| OCOld Country Millwork INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| OHOliver Health Care Packaging | Anaheim | CA | — | ◇ UNVERIFIED |
| OIOliver, INC. | Richmond | VA | — | ◇ UNVERIFIED |
| OEOlson Engineering | Saint James | MN | — | ◇ UNVERIFIED |
| OFOlympic Fiberglass Industries | Rochester | IN | — | ◇ UNVERIFIED |
| OIOmar INC | University Park | IL | — | ◇ UNVERIFIED |
| OPOmega Packaging Dba Comar | La Mirada | CA | — | ◇ UNVERIFIED |
| OMOneida Molded Plastics LLC | Oneida | NY | — | ◇ UNVERIFIED |
| OMOne More Part Dba Omp | Longmont | CO | — | ◇ UNVERIFIED |
| OIOno Industries INC | Ono | PA | — | ◇ UNVERIFIED |
| OBOntegra Brighton | Brighton | MI | — | ◇ UNVERIFIED |
| OMOpen Molded Plastics, INC. | Wagoner | OK | — | ◇ UNVERIFIED |
 Orafol Americas INC | Lake Orion | MI | — | ◇ UNVERIFIED |
| OCOrbis Corporation | Manchester | IA | — | ◇ UNVERIFIED |
| OCOrchard Corporation | Chesterfield | MO | — | ◇ UNVERIFIED |
| OBOrepac Building Products | Denver | CO | — | ◇ UNVERIFIED |
| OIOrion Industries & Related Entities | Chicago | IL | — | ◇ UNVERIFIED |
| OFOsullivan Films Inc/lebanon | Lebanon | PA | — | ◇ UNVERIFIED |
| OCOwens Corning Reinforcement Solutions, LLC | Concord | NC | — | ◇ UNVERIFIED |
| OMOzark Mountain Concepts | Rogersville | MO | — | ◇ UNVERIFIED |
| PCPacific Coast Chemicals Company | Berkeley | CA | — | ◇ UNVERIFIED |
| PCPackaging CORP of America | Chicago | IL | — | ◇ UNVERIFIED |
| PCPackaging CORP of America | Winter Haven | FL | — | ◇ UNVERIFIED |
| PCPackaging CORP of America | Northampton | MA | — | ◇ UNVERIFIED |
| PCPackaging CORP of America | East Point | GA | — | ◇ UNVERIFIED |
| PCPackaging CORP of America | Salisbury | NC | — | ◇ UNVERIFIED |
| PCPackaging CORP of America-marshalltown | Marshalltown | IA | — | ◇ UNVERIFIED |
| PCPackaging CORP of Il D/b/a Acorn Corrugated Box CO INC | Bedford Park | IL | — | ◇ UNVERIFIED |
| PCPackaging Corporation of America | Grandville | MI | — | ◇ UNVERIFIED |
| PCPackaging Corporation of America | Columbus | IN | — | ◇ UNVERIFIED |
