| OCOrbis Corporation | Mentor | OH | — | ◇ UNVERIFIED |
| OAOrbital Atk | Clearfield | UT | — | ◇ UNVERIFIED |
| OMOrchid Mt Juliet LLC | Mount Juliet | TN | — | ◇ UNVERIFIED |
| OCOr CO Painting | Fullerton | CA | — | ◇ UNVERIFIED |
| OCOr. CO. Plating CO INC | Orange | CA | — | ◇ UNVERIFIED |
| ODOrdaz Drilling | Paramount | CA | — | ◇ UNVERIFIED |
| OIOregon Industrial Repair INC | Salem | OR | — | ◇ UNVERIFIED |
| OMOregon Machine Works, INC. | Canby | OR | — | ◇ UNVERIFIED |
| OPOregon Precision Industries INC | Eugene | OR | — | ◇ UNVERIFIED |
| OPOregon Precision Manufacturing INC | Sherwood | OR | — | ◇ UNVERIFIED |
| OSOreland Sheet Metal Inc | Huntingdon Valley | PA | — | ◇ UNVERIFIED |
| OCOrganic Compounds & Fox Truckmounts INC | Gardena | CA | — | ◇ UNVERIFIED |
| OUOrica USA INC | Marion | IL | — | ◇ UNVERIFIED |
| OEOri Enterprises LLC | Price | UT | — | ◇ UNVERIFIED |
| OEOri Enterprises LLC | Wellington | UT | — | ◇ UNVERIFIED |
| OEOriginal Exhaust Manufacturers INC | Hopkinsville | KY | — | ◇ UNVERIFIED |
| OSOrin Screws Products | Van Nuys | CA | — | ◇ UNVERIFIED |
| OAOrion Asset Management Co., LLC | Akron | OH | — | ◇ UNVERIFIED |
| OCOrion Custom Boats | El Cajon | CA | — | ◇ UNVERIFIED |
| ODOrion Drilling Company, LLC | Corpus Christi | TX | — | ◇ UNVERIFIED |
| OIOrion Industries, INC. | Broadview Heights | OH | — | ◇ UNVERIFIED |
| OMOrion Manufacturing LLC | Orange | CA | — | ◇ UNVERIFIED |
| OPOrion Polymers LLC | Murfreesboro | TN | — | ◇ UNVERIFIED |
| OPOrion Properties Group LLC | New Prague | MN | — | ◇ UNVERIFIED |
| OEOrlandini Enterprises | Commerce | CA | — | ◇ UNVERIFIED |
| OMOrleans Marble INC | Harahan | LA | — | ◇ UNVERIFIED |
| OIOrluck Industries INC | Otsego | MN | — | ◇ UNVERIFIED |
| ODOrnalux Design Company, INC. | Oakland | CA | — | ◇ UNVERIFIED |
| OCOrrbilt Compressors, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| OFOrth Family Partnership | Richardson | TX | — | ◇ UNVERIFIED |
| OTOrtho Tech INC | Ramona | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Sacramento | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Fresno | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Thousand Oaks | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Ventura | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | San Jose | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | West Covina | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Gardena | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Temecula | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Bakersfield | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Stockton | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Chula Vista | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Santa Ana | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Oakland | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Van Nuys | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Riverside | CA | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | El Cajon | CA | — | ◇ UNVERIFIED |
| OCOsage Canoes LLC | Lebanon | MO | — | ◇ UNVERIFIED |
| OGOsborn General Engineering and Construction INC | Auburn | CA | — | ◇ UNVERIFIED |
| OMOscar Macias and Sandra L. Macias | Gilroy | CA | — | ◇ UNVERIFIED |
| OIOseda Industries Corporation | Corona | CA | — | ◇ UNVERIFIED |
| OCOshkosh Corporation | Orrville | OH | — | ◇ UNVERIFIED |
| OMO&S Machine Shop, LLC | Latrobe | PA | — | ◇ UNVERIFIED |
| OOsmonics | Escondido | CA | — | ◇ UNVERIFIED |
| OCOt Car/truck Repair | Roseville | CA | — | ◇ UNVERIFIED |
| OUOTEC USA, Inc. | North Kingstown | RI | — | ◇ UNVERIFIED |
| OAOtto Aviation Group LLC | Irvine | CA | — | ◇ UNVERIFIED |
| OBOtto Braun Site | New York | NY | — | ◇ UNVERIFIED |
| OIOtto Industries, North America | Charlotte | NC | — | ◇ UNVERIFIED |
| ONOur Next Energy | Torrance | CA | — | ◇ UNVERIFIED |
| OTOutlook Tool, Inc. | Dayton | OH | — | ◇ UNVERIFIED |
| OTOutlook Tool, Inc. | Dayton | OH | — | ◇ UNVERIFIED |
| OIOverlook Industries, INC. | Easthampton | MA | — | ◇ UNVERIFIED |
| OMOverspeed Manufacturing | Signal Hill | CA | — | ◇ UNVERIFIED |
| OUOver Under Real Estate, LLC | Riverton | NJ | — | ◇ UNVERIFIED |
| OMOviso Mfg | Fremont | CA | — | ◇ UNVERIFIED |
| OIOwens Il Closure | Marietta | GA | — | ◇ UNVERIFIED |
| OMOwens Machine & Manufacturing | Abilene | TX | — | ◇ UNVERIFIED |
| OPOwens Precision | Carson City | NV | — | ◇ UNVERIFIED |
| OPOwens Precision, INC. | Mound House | NV | — | ◇ UNVERIFIED |
| OSOwens Specialty Company, INC. | Channelview | TX | — | ◇ UNVERIFIED |
| OMOxbow Machine Prod INC | Livonia | MI | — | ◇ UNVERIFIED |
| OGOxford General Industries INC | Prospect | CT | — | ◇ UNVERIFIED |
 O&y Precision INC | San Jose | CA | — | ◇ UNVERIFIED |
| OFOzark Fluorine Specialities | Folcroft | PA | — | ◇ UNVERIFIED |
| PPP2 Precision Mfg LLC | Pierceton | IN | — | ◇ UNVERIFIED |
| PMP3 Manufacturing LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| PPPablo Precision | Oakland Park | FL | — | ◇ UNVERIFIED |
| PVPablo Villafuerte | Los Angeles | CA | — | ◇ UNVERIFIED |
| PEPace Engineering INC. | Willoughby | OH | — | ◇ UNVERIFIED |
| PIPace Industries INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| PSPacesetter Safety, Inc. | Santa Clarita | CA | — | ◇ UNVERIFIED |
| PSPacfab Services LLC | Davenport | IA | — | ◇ UNVERIFIED |
| PAPacific Air Cargo Transfer Systems, Inc | Auburn | WA | — | ◇ UNVERIFIED |
| PAPacific Auto Parts | Ceres | CA | — | ◇ UNVERIFIED |
| PAPacific Award Metals, INC. | Denver | CO | — | ◇ UNVERIFIED |
| PCPacific Clay Products INC | Lake Elsinore | CA | — | ◇ UNVERIFIED |
| PCPacific Coast Bolt CORP | Santa Fe Spgs | CA | — | ◇ UNVERIFIED |
| PCPacific Contours Corporation | Anaheim | CA | — | ◇ UNVERIFIED |
| PCPacific Contours San Diego Division | Spring Valley | CA | — | ◇ UNVERIFIED |
| PCPacific Converters | South Gate | CA | — | ◇ UNVERIFIED |
| PDPacific Duct INC | Montclair | CA | — | ◇ UNVERIFIED |
| PFPacific Fiberglass INC | Salem | OR | — | ◇ UNVERIFIED |
| PHPacific Hard Chrome | Richmond | CA | — | ◇ UNVERIFIED |
| PIPacific Injection Molding CORP | Bellingham | WA | — | ◇ UNVERIFIED |
| PLPacific Lead Products INC | Vista | CA | — | ◇ UNVERIFIED |
| PMPacific Metal Fab, INC | Madera | CA | — | ◇ UNVERIFIED |
| PMPacific Metal Fab LLC | Eugene | OR | — | ◇ UNVERIFIED |
| PMPacific Metal Fabricators | Stockton | CA | — | ◇ UNVERIFIED |
| PMPacific Molding and Plastics Corporation | Springfield | OR | — | ◇ UNVERIFIED |
