| NPNano Precision Mfg INC | Fremont | CA | — | ◇ UNVERIFIED |
| NVNapa Valley Psi | Napa | CA | — | ◇ UNVERIFIED |
| NDNational Dentex CORP Dba Twin Cities Laboratories | Saint Paul | MN | — | ◇ UNVERIFIED |
| NDNational Dentex Corporation | Huntsville | AL | — | ◇ UNVERIFIED |
| NDNational Dentex Corporation | Orlando | FL | — | ◇ UNVERIFIED |
| NDNational Dentex Corporation Dba Wornson-polzin | North Mankato | MN | — | ◇ UNVERIFIED |
| NDNatural8 Dental Laboratory Inc | Brea | CA | — | ◇ UNVERIFIED |
| NRNatural Reflections Dental Lab LLC | Saint Paul | MN | — | ◇ UNVERIFIED |
 Natus Medical Incorporated | San Diego | CA | — | ◇ UNVERIFIED |
| NBNautilus Biotechnology INC | San Carlos | CA | — | ◇ UNVERIFIED |
| NBNautilus Biotechnology INC | San Diego | CA | — | ◇ UNVERIFIED |
| NSNaval Support Activity Bethesda | Bethesda | MD | — | ◇ UNVERIFIED |
| NDNb Dental Lab LLC | Berlin | CT | — | ◇ UNVERIFIED |
| NPNdx Perry & Young | Aurora | CO | — | ◇ UNVERIFIED |
| NDNeo Dental Laboratory | Fullerton | CA | — | ◇ UNVERIFIED |
| NINeomedical Incorporated | Fremont | CA | — | ◇ UNVERIFIED |
| NINeomend Inc/bd | Irvine | CA | — | ◇ UNVERIFIED |
| NINeurostructures, INC. | Irvine | CA | — | ◇ UNVERIFIED |
| NVNeuro Vasc Technologies INC | Irvine | CA | — | ◇ UNVERIFIED |
| NTNeurovasc Technologies INC | Laguna Hills | CA | — | ◇ UNVERIFIED |
| NDNew Dent, Inc. | Middle Vlg | NY | — | ◇ UNVERIFIED |
| NCNewell Ceramic Art INC. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| NENew England Orthotic and Prosthetic Systems, LLC | Branford | CT | — | ◇ UNVERIFIED |
| NWNew West Dental Ceramics INC | Lake Havasu City | AZ | — | ◇ UNVERIFIED |
| NLNhlmb, LLC | Albuquerque | NM | — | ◇ UNVERIFIED |
| NINifrom INC | Covina | CA | — | ◇ UNVERIFIED |
| NDNighthawk Dental LLC | Scio | OH | — | ◇ UNVERIFIED |
| NMNoah Medical | Pleasanton | CA | — | ◇ UNVERIFIED |
| NMNordson Medical | San Jose | CA | — | ◇ UNVERIFIED |
| NMNordson Medical | Sunnyvale | CA | — | ◇ UNVERIFIED |
| NDNortheastern Dental Laboratory CORP. | Albany | NY | — | ◇ UNVERIFIED |
| NVNorthern Valley Indian Health INC | Chico | CA | — | ◇ UNVERIFIED |
| NSNorth Star Orthodontics INC | Park Rapids | MN | — | ◇ UNVERIFIED |
| NINovalek, INC | Hayward | CA | — | ◇ UNVERIFIED |
| NDNovus Dental Laboratory | Gardena | CA | — | ◇ UNVERIFIED |
| NTNow & Then Antiques | Novato | CA | — | ◇ UNVERIFIED |
| NTNow & Then Antiques | Novato | CA | — | ◇ UNVERIFIED |
| NCNsequence Center for Advanced Dentistry | Reno | NV | — | ◇ UNVERIFIED |
| NCN.T.Dental Corp. | Rockville | MD | — | ◇ UNVERIFIED |
| NDNt Dental Milling INC | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| NANu Aire INC | Long Lake | MN | — | ◇ UNVERIFIED |
| NANu Aire INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| NINuvasive INC. | Sunnyvale | CA | — | ◇ UNVERIFIED |
| NSNuvasive Specialized Orthopedics INC | Aliso Viejo | CA | — | ◇ UNVERIFIED |
| NMNuvera Medical INC | Los Gatos | CA | — | ◇ UNVERIFIED |
| NMNvision Medical | San Bruno | CA | — | ◇ UNVERIFIED |
| NPN.z Pump Company INC Dba Quality Plastics Nz | Alhambra | CA | — | ◇ UNVERIFIED |
| OOOakland Orthopedic Appliance INC | Bay City | MI | — | ◇ UNVERIFIED |
| OOOakland Orthopedic Appliance INC | Bay City | MI | — | ◇ UNVERIFIED |
| OPOasis Pool | Visalia | CA | — | ◇ UNVERIFIED |
| OLOccam Labs LLC | Santa Cruz | CA | — | ◇ UNVERIFIED |
| OMOdi Mfg LLC | Riverside | CA | — | ◇ UNVERIFIED |
| OOOffice of Dental Health Alameda County Public Health Department | Oakland | CA | — | ◇ UNVERIFIED |
| OCOhlendorf CO | Saint Louis | MO | — | ◇ UNVERIFIED |
| ODOhyoo Dental Solutions LLC | Chantilly | VA | — | ◇ UNVERIFIED |
| OEOld Ephraim Milling Center, LLC | Providence | UT | — | ◇ UNVERIFIED |
| OOOld Orchard Smiles Real Estate LLC | Skokie | IL | — | ◇ UNVERIFIED |
| OIOldsdent INC Dba Academy Dental Laboratory INC | Burnsville | MN | — | ◇ UNVERIFIED |
| ODOlson Dental Ceramics INC | Duluth | MN | — | ◇ UNVERIFIED |
| ODOlson Dental CO INC | Clinton Twp | MI | — | ◇ UNVERIFIED |
| OPOmega Packaging | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| OIOmnia Incorportated | Lakeland | FL | — | ◇ UNVERIFIED |
| OSOmni Seals INC | Upland | CA | — | ◇ UNVERIFIED |
| OWOne55 Washington LLC | Los Angeles | CA | — | ◇ UNVERIFIED |
| ODOne Direct Health Network | Atlanta | GA | — | ◇ UNVERIFIED |
| OIO'neill INC | San Francisco | CA | — | ◇ UNVERIFIED |
 Onkos Surgical | Bridgewater | NJ | — | ◇ UNVERIFIED |
| OWOpen Water Internet INC | San Francisco | CA | — | ◇ UNVERIFIED |
| OWOperational Wear Armor Limited Liability Company | Jacksboro | TN | — | ◇ UNVERIFIED |
| ONO&p National Fab LLC | Round Rock | TX | — | ◇ UNVERIFIED |
| OIOptical Integrity INC | Panama City Beach | FL | — | ◇ UNVERIFIED |
| OCOrahealth Corporation | Kent | WA | — | ◇ UNVERIFIED |
| OCOral Ceramic Studio, INC. | Fresno | CA | — | ◇ UNVERIFIED |
| ODOral Design Ceramic Boutique INC. | Pocono Lake | PA | — | ◇ UNVERIFIED |
| OGOral Gold & Ceramics INC | Chattanooga | TN | — | ◇ UNVERIFIED |
| OPOrange Plastics INC | Compton | CA | — | ◇ UNVERIFIED |
| ONOrchard Nursery & Florist | Lafayette | CA | — | ◇ UNVERIFIED |
| OAOrchid Anzon | Arcadia | CA | — | ◇ UNVERIFIED |
| OOOrchid Orthopedics | Santa Ana | CA | — | ◇ UNVERIFIED |
| OOOrchid Orthopedic Solutions | Chelsea | MI | — | ◇ UNVERIFIED |
| OCOrmco CORP Dba Aoa Orthodontic Appliances | Sturtevant | WI | — | ◇ UNVERIFIED |
| ODOro Dental Studio INC | Irvington | NJ | — | ◇ UNVERIFIED |
| ODOrtho-bending Dental Lab, INC. | Hempstead | NY | — | ◇ UNVERIFIED |
| OMOrthocare Medical Equipment LLC | Manchester | NH | — | ◇ UNVERIFIED |
| OSOrthocare Solutions, INC. | North Bethesda | MD | — | ◇ UNVERIFIED |
| ODOrtho Developement CORP | Draper | UT | — | ◇ UNVERIFIED |
| OLOrthofx LLC | Fremont | CA | — | ◇ UNVERIFIED |
| OIOrthologo Inc | Irving | TX | — | ◇ UNVERIFIED |
| OOOrtho Organizers | El Centro | CA | — | ◇ UNVERIFIED |
 Ortho Solutions Lc Dba Dynaflex | Lake Saint Louis | MO | — | ◇ UNVERIFIED |
| OOOrthotech Orthopedic Group LLC | Sabana Grande | PR | — | ◇ UNVERIFIED |
| OPOrthotic & Prosthetic Clinics of America Memphis LLC | Bartlett | TN | — | ◇ UNVERIFIED |
| ODOsan Dental Lab INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| OMOsborn Medical CORP | Utica | MN | — | ◇ UNVERIFIED |
 Ossur Americas, INC. | Foothill Ranch | CA | — | ◇ UNVERIFIED |
| ONOssur N a | Aliso Viejo | CA | — | ◇ UNVERIFIED |
| OIOsteoid, INC. | Santa Clara | CA | — | ◇ UNVERIFIED |
| OIOsteoid, INC - Nc | Cary | NC | — | ◇ UNVERIFIED |
| OMOsteon Medical | Irvine | CA | — | ◇ UNVERIFIED |
| OROthon R. Martinez and Sabrina R. Martinez | Ontario | CA | — | ◇ UNVERIFIED |
