| NDNortheastern Dental Laboratory CORP. | Albany | NY | — | ◇ UNVERIFIED |
| NVNorthern Valley Indian Health INC | Chico | CA | — | ◇ UNVERIFIED |
| NSNorth Star Orthodontics INC | Park Rapids | MN | — | ◇ UNVERIFIED |
| NDNovus Dental Laboratory | Gardena | 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 |
| 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 |
| OIOmnia Incorportated | Lakeland | 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 |
| OCOrmco CORP Dba Aoa Orthodontic Appliances | Sturtevant | WI | — | ◇ UNVERIFIED |
| ODOro Dental Studio INC | Irvington | NJ | — | ◇ UNVERIFIED |
| ODOrtho-bending Dental Lab, INC. | Hempstead | NY | — | ◇ 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 |
| ODOsan Dental Lab INC | Saint Paul | MN | — | ◇ 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 |
| PCPacific Crest Dental Lab | Tacoma | WA | — | ◇ UNVERIFIED |
| PDPacific Dental Group | Oakland | CA | — | ◇ UNVERIFIED |
| PDPacific Dental INC | Thousand Oaks | CA | — | ◇ UNVERIFIED |
| PNPacific Northwest Prosthodontic Laboratory LLC | Bellevue | WA | — | ◇ UNVERIFIED |
| PVPalo Verde Ceramic Dental Lab, Inc. | Tucson | AZ | — | ◇ UNVERIFIED |
| PDParamount Dental Studio, Inc. | Garden Grove | CA | — | ◇ UNVERIFIED |
| PDParker Dental Laboratory, LLC | Parker | CO | — | ◇ UNVERIFIED |
| PRPatrick Ramsey | Irvine | CA | — | ◇ UNVERIFIED |
| PDPatriot Dental Laboratory INC | Bend | OR | — | ◇ UNVERIFIED |
| PVPDA Ventures Inc | Tempe | AZ | — | ◇ UNVERIFIED |
| PLpdl lab, inc. | Palmdale | CA | — | ◇ UNVERIFIED |
| PLpdl lab, inc. | Palmdale | CA | — | ◇ UNVERIFIED |
| PLpdl lab, inc. | Palmdale | CA | — | ◇ UNVERIFIED |
| PDPeak Dental Technologies, LLC | Lakewood | CO | — | ◇ UNVERIFIED |
| PMPeak Midwest Properties, LLC | Oak Brook | IL | — | ◇ UNVERIFIED |
| PDPearl Dental Services Inc | Charlotte | NC | — | ◇ UNVERIFIED |
| PIPemaco INC | Saint Louis | MO | — | ◇ UNVERIFIED |
| PFPerfect Finish Ortho Lab, INC. | Budd Lake | NJ | — | ◇ UNVERIFIED |
| PDPerfection Dental Arts INC | Eden Prairie | MN | — | ◇ UNVERIFIED |
| PWPerry Woo Dds | Saratoga | CA | — | ◇ UNVERIFIED |
| PTPersonal Touch Clnr/east Stroudsburg | East Stroudsburg | PA | — | ◇ UNVERIFIED |
| PTPersonal Touch Lab LLC | Fuquay Varina | NC | — | ◇ UNVERIFIED |
| PDPeterman Dental Laboratory INC | Nashville | TN | — | ◇ UNVERIFIED |
| PDPeterson Dental Laboratory, Inc. | Delray Beach | FL | — | ◇ UNVERIFIED |
| POPhilips Oral Healthcare | Ontario | CA | — | ◇ UNVERIFIED |
| PDPioneer Dental | Newton | MA | — | ◇ UNVERIFIED |
| PDPlanB Dental Holdings LLC | Goleta | CA | — | ◇ UNVERIFIED |
| PDPlatinum Dental Laboratory INC | Lake Elmo | MN | — | ◇ UNVERIFIED |
| PDPLC Dental Lab Group LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| PLPnb13, LLC | Springfield | MO | — | ◇ UNVERIFIED |
| PDPratt Dental Laboratory, Inc | Middletown | MD | — | ◇ UNVERIFIED |
| PDPrecision Dental Laboratories Inc. | Colorado Springs | CO | — | ◇ UNVERIFIED |
| PTPrecision Teeth Dental Laboratory LLC | Lawrenceville | GA | — | ◇ UNVERIFIED |
| PDPremier Dental Laboratory INC | Honolulu | HI | — | ◇ UNVERIFIED |
| PDPremier Dental Products | Philadelphia | PA | — | ◇ UNVERIFIED |
| PIPremier Initiatives LLC Dba Premier Prosthodontics | South Saint Paul | MN | — | ◇ UNVERIFIED |
| PDPrestige Dental Studio Inc. | Tucson | AZ | — | ◇ UNVERIFIED |
| PDPrime Dental Lab Inc | Whittier | CA | — | ◇ UNVERIFIED |
| PDPrime Dental Studio, INC. | Lansdale | PA | — | ◇ UNVERIFIED |
| PSPrime Smile Dental P.C. | Flushing | NY | — | ◇ UNVERIFIED |
| PDProgressive Dental Lab | Bellingham | WA | — | ◇ UNVERIFIED |
 Prosomnus Sleep Technologies, INC. | Pleasanton | CA | — | ◇ UNVERIFIED |
| PDProtea Dental Studio, Inc | Redmond | WA | — | ◇ UNVERIFIED |
| PDProvision Dental Laboratory | Anaheim | CA | — | ◇ UNVERIFIED |
| PLPrudental Labroatories Inc | Santa Ana | CA | — | ◇ UNVERIFIED |
| QDQrp Dental Lab, INC. | Modesto | CA | — | ◇ UNVERIFIED |
| QSQuadent Studio INC | Plymouth | MN | — | ◇ UNVERIFIED |
| RCRachael Callaway | Concord | CA | — | ◇ UNVERIFIED |
| RDRadiant Dental Laboratory INC. | Merrillville | IN | — | ◇ UNVERIFIED |
| RDRadiant Dental Works, LLC | Iowa City | IA | — | ◇ UNVERIFIED |
| RSRamses Sandoval | Haverhill | FL | — | ◇ UNVERIFIED |
| RCRancho Cordova Dental Group | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| RDRandall Dental Lab | Downey | CA | — | ◇ UNVERIFIED |
| RWRed Wing Dental Laboratory INC | Hastings | MN | — | ◇ UNVERIFIED |
| RDReliable Dental Supply & Service Company, LLC | Fort Worth | TX | — | ◇ UNVERIFIED |
| RDReliance Dental Designs | Manteca | CA | — | ◇ UNVERIFIED |
| RMReliance Medical Products INC. | Mason | OH | — | ◇ UNVERIFIED |
| RMReliant Medical Supply | Las Vegas | NV | — | ◇ UNVERIFIED |
| RLRemovables, LLC | Marietta | PA | — | ◇ UNVERIFIED |
| RDRenstrom Dental Studio Inc. | Lino Lakes | MN | — | ◇ UNVERIFIED |
| RDRenstrom Dental Studio INC | White Bear Lake | MN | — | ◇ UNVERIFIED |
| RDRenstrom Dental Studio INC | Vadnais Heights | MN | — | ◇ UNVERIFIED |
| RSRestorative Solutions | Weare | NH | — | ◇ UNVERIFIED |
| RDRevolution Dental Prosthetics INC. | Sandy | UT | — | ◇ UNVERIFIED |
| RGReza Ghasemi D.D.S INC | South Gate | CA | — | ◇ UNVERIFIED |
| RARichard A. Guarino Dental Lab, INC. | Revere | MA | — | ◇ UNVERIFIED |
| RDRichelle Dental Ceramics Inc | Columbus | OH | — | ◇ UNVERIFIED |
| RPRidge Periodontics & Dental I | Woodbury | MN | — | ◇ UNVERIFIED |
