| OPOldcastle Precast INC | Canby | OR | — | ◇ UNVERIFIED |
| OVOldcastle Valdosta | Valdosta | GA | — | ◇ UNVERIFIED |
| OMOld Monroe Rd Facility | Athens | GA | — | ◇ UNVERIFIED |
| OSOld Stage Printing | Surgoinsville | TN | — | ◇ UNVERIFIED |
| OTOld Town Fiberglass Dba Fiberglass Fab. | Orange | CA | — | ◇ UNVERIFIED |
| OWOld Water Holdings, LLC | Wedowee | AL | — | ◇ UNVERIFIED |
| OFOligo Factory INC | Holliston | MA | — | ◇ UNVERIFIED |
| OROlin Rd Crude Butadiene Ms Mc 43 44 | Beaumont | TX | — | ◇ UNVERIFIED |
| OBOlive Bio LLC Dba Olviebio | Inglewood | CA | — | ◇ UNVERIFIED |
| OCOliver Chemical CO INC | Cincinnati | OH | — | ◇ UNVERIFIED |
| OHOliver Health Care Packaging | Anaheim | CA | — | ◇ UNVERIFIED |
| OIOlivet International, INC. | Springdale | AR | — | ◇ UNVERIFIED |
| OCOlson Companies, INC. | West Fork | AR | — | ◇ UNVERIFIED |
| OPOlson Printing INC | Nashville | TN | — | ◇ UNVERIFIED |
| OPOlympak Printing & Packaging | Grand Rapids | MN | — | ◇ UNVERIFIED |
| OFOlympic Fiberglass Industries | Rochester | IN | — | ◇ UNVERIFIED |
| OGOlympus Group Orlando CO | Orlando | FL | — | ◇ UNVERIFIED |
| OTOmaha Transloading Corporation | Omaha | NE | — | ◇ UNVERIFIED |
| OIOmar INC | University Park | IL | — | ◇ UNVERIFIED |
| OFOme9a Franchises LLC | Ontario | OH | — | ◇ UNVERIFIED |
| OEOmega Extruding CORP of Ca | Compton | CA | — | ◇ UNVERIFIED |
| OPOmega Packaging Dba Comar | La Mirada | CA | — | ◇ UNVERIFIED |
| OPOmega Plastics CORP | Louisville | KY | — | ◇ UNVERIFIED |
| OPOmega Plastics, LLC | Erie | PA | — | ◇ UNVERIFIED |
| OPOmega Printing | Palo Alto | CA | — | ◇ UNVERIFIED |
| OPOmico Plastics INC | Owensboro | KY | — | ◇ UNVERIFIED |
| OIOmnical, INC. | San Fernando | CA | — | ◇ UNVERIFIED |
| OOmnisource | Bourbon | IN | — | ◇ UNVERIFIED |
| OSOmnova Solutions INC | Calhoun | GA | — | ◇ UNVERIFIED |
| OSOmnova Solutions INC. | Monroe | NC | — | ◇ UNVERIFIED |
| OSOmnova Solutions, INC. | Dalton | GA | — | ◇ UNVERIFIED |
| ODOn Demand 3d Technology, INC. | Tustin | CA | — | ◇ UNVERIFIED |
| OAOne Accord Corporation Dba Postageone | Valencia | CA | — | ◇ UNVERIFIED |
| OPOneida Printing (former) | Green Bay | WI | — | ◇ UNVERIFIED |
| ODOneil Data Systems INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| OPOneil Printing | Phoenix | AZ | — | ◇ UNVERIFIED |
| OSOne Source Printing and Graphics, INC. | Houston | TX | — | ◇ UNVERIFIED |
| OPOnesource Print Management Inc. | Lake Geneva | WI | — | ◇ UNVERIFIED |
| OSOne Stop Printing & Binding | Winnetka | CA | — | ◇ UNVERIFIED |
 Onetouchpoint Midwest CORP. | Green Bay | WI | — | ◇ UNVERIFIED |
| OTOne, Two, Three, INC. | Woodbury | NJ | — | ◇ UNVERIFIED |
| OLOn Line Graphics and Finishing | Orange | CA | — | ◇ UNVERIFIED |
| OLOn Line Graphics INC | Anaheim | CA | — | ◇ UNVERIFIED |
| OTOn Target Printing and Graphics LLC | Fairfield | NJ | — | ◇ UNVERIFIED |
| OBOntegra Brighton | Brighton | MI | — | ◇ UNVERIFIED |
| OSOn-time Screen Printing & Embroidery, LLC | Derby | CT | — | ◇ UNVERIFIED |
| OHOpacity Holdings LLC | New York | NY | — | ◇ UNVERIFIED |
| OMOpen Molded Plastics, INC. | Wagoner | OK | — | ◇ UNVERIFIED |
 Opsec Security/lancaster | Lancaster | PA | — | ◇ UNVERIFIED |
| OIOptiColor, Inc | Huntington Beach | CA | — | ◇ UNVERIFIED |
| OPOptimum Plastics INC. | Delaware | OH | — | ◇ UNVERIFIED |
| OIOptinova-mle INC | Plymouth | MN | — | ◇ UNVERIFIED |
| OPOpus Plastics LLC | Somerville | NJ | — | ◇ UNVERIFIED |
 Orafol Americas INC | South Deerfield | MA | — | ◇ UNVERIFIED |
| Orafol Americas INC | South Deerfield | MA | — | ◇ UNVERIFIED |
| Orafol Americas INC | Lake Orion | MI | — | ◇ UNVERIFIED |
| OCOrange Circle Studio CORP. | Oceanside | CA | — | ◇ UNVERIFIED |
| OCOrange County Plant | Orange | TX | — | ◇ UNVERIFIED |
| OCOrange County Register Communications | Anaheim | CA | — | ◇ UNVERIFIED |
| OMOrasis Medical | Laguna Hills | CA | — | ◇ UNVERIFIED |
| OCOrbis CORP | Madison Heights | MI | — | ◇ UNVERIFIED |
| OCOrbis Corporation | Mentor | OH | — | ◇ UNVERIFIED |
| OCOrbis Corporation | Manchester | IA | — | ◇ UNVERIFIED |
| OCOrbis Corporation | Wando | SC | — | ◇ UNVERIFIED |
| OMOrbis Material Handling LLC | Georgetown | KY | — | ◇ UNVERIFIED |
| OROrbis Rpm, LLC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| OMOrb Media & Display Service | South Gate | CA | — | ◇ UNVERIFIED |
| OPOrca Printing | Memphis | TN | — | ◇ UNVERIFIED |
| OBOregon Basin - Polyacrylamide Plant (merit Energy Company) | Cody | WY | — | ◇ UNVERIFIED |
| OPOregon Precision Industries INC | Eugene | OR | — | ◇ UNVERIFIED |
| OSOrenco Systems | Roseburg | OR | — | ◇ UNVERIFIED |
 Organic Dyes and Pigments | Providence | RI | — | ◇ UNVERIFIED |
| OCOrion Custom Boats | El Cajon | CA | — | ◇ UNVERIFIED |
| OPOrion Polymers LLC | Murfreesboro | TN | — | ◇ UNVERIFIED |
| OIOrkiStrate, Inc. | Allentown | PA | — | ◇ UNVERIFIED |
| OMOrleans Marble INC | Harahan | LA | — | ◇ UNVERIFIED |
| OBormond beach printing llc | Ormond Beach | FL | — | ◇ UNVERIFIED |
| OVOrora Visual LLC | Niles | IL | — | ◇ UNVERIFIED |
| OVOrora Visual LLC | Los Angeles | CA | — | ◇ UNVERIFIED |
| OMO'Rourke Media Group LLC | Seaford | DE | — | ◇ UNVERIFIED |
| OAOrtiz Arts & Graphic Design LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| OBOsprey Biotechnics | Sarasota | FL | — | ◇ UNVERIFIED |
| OAOstrowski Associates | San Jose | CA | — | ◇ UNVERIFIED |
| OFOsullivan Films Inc/lebanon | Lebanon | PA | — | ◇ UNVERIFIED |
| OEO'Tech East, LLC | Auburn | MA | — | ◇ UNVERIFIED |
| OIOtto Industries, North America | Charlotte | NC | — | ◇ UNVERIFIED |
| OSOtto Screen Printing INC Tacoma | Tacoma | WA | — | ◇ UNVERIFIED |
| OCOutdoor Colors, LLC | Rutherfordton | NC | — | ◇ UNVERIFIED |
| OROuter Rim Designs, LLC | Key Largo | FL | — | ◇ UNVERIFIED |
| OEOutside Edge, LLC. | Granville | OH | — | ◇ UNVERIFIED |
| OAOvergaard's Artcraft Printers, INC. | South Bend | IN | — | ◇ UNVERIFIED |
| OPOvernight Printing Seattle, INC. | Seattle | WA | — | ◇ UNVERIFIED |
| OPOvernight Printing Seattle, INC. | Seattle | WA | — | ◇ UNVERIFIED |
| OPOverwraps Packaging, L.p. | Dallas | TX | — | ◇ UNVERIFIED |
| OIOwens Il Closure | Marietta | GA | — | ◇ UNVERIFIED |
| OLOwl Lake, LLC | Hopkins | MN | — | ◇ UNVERIFIED |
| OIOxford Immunotec USA Marlborough | Marlborough | MA | — | ◇ UNVERIFIED |
| OIOxford Inustries of Connecticut, INC. | New Britain | CT | — | ◇ UNVERIFIED |
| OCOxin Corporation | Mv | CA | — | ◇ UNVERIFIED |
| OVOxy Vinyls LP - Deer Park Vcm Facility | Deer Park | TX | — | ◇ UNVERIFIED |
