| O K Used Cars - Sauk Rapids, MN | Ok Chevrolet - Tonasket, WA | Online Auto - Fenton, Mi 810-691-0833, MI |
| O P Auto Repair & Sales - Jacksonville, FL | Okc Car Connection - Oklahoma City, OK | Online Auto Connection - Elma, NY |
| O'connell Motors - Framingham, MA | Okemos Auto Collection - Okemos, MI | Ontario Auto Brokers - Ontario, OR |
| O'connor's Auto Outlet - Bay City, MI | Okie Dokie Auto - Rochester, NH | Onyx Motors Inc - Fairburn, GA |
| O.k. Automart - Lansing, MI | Ol Mac Motors - Topeka, KS | Open Road Auto Sales - Latham, NY |
| Oak Hill Auto Sales - Austin, TX | Olathe Car Sales Inc. - Olathe, KS | Opensource Autos - Bucyrus, KS |
| Oak Hill Motors - Waterford, PA | Olathe Dodge - Olathe, KS | Orange Blood Auto Sales - Austin, TX |
| Oakland Auto Sales - Taunton, MA | Olathe Quality Auto Sales - Olathe, KS | Orange County Auto Connection - Orange, CA |
| Oakleaf Auto Sales East - Conroe, TX | Old Car Store - Grandview, MO | Orange Park Automotive Repair - Orange Park, FL |
| Oakley's Used Cars - Murray, KY | Old Fashioned Way Auto Center - Pearland, TX | Orazzi's Auto Sales - Greenfield Township, PA |
| Oakwood Auto Sales - Erie, MI | Old Rock Motors - Pelham, NH | Orchard Auto - Lapeer, MI |
| Oasis Auto Group - Oasis Auto Group - Mechanicsburg, Pa, PA | Olde Mill Motors - Angier, NC | Orchard Car Co Inc - Indian Orchard, MA |
| Oasis Motor Co - Corpus Christi, TX | Oldies But Goodies Auto Sales - Cheney, WA | Ordus Ford Lincoln Chrysler Dodge Jeep Ram - Bad Axe, MI |
| Oasis Park & Sell - Spring, TX | Ole Ben Franklin Motors - Knoxville, TN | Orford Servicenter Inc - Orford, NH |
| Obergs Automotive - Glendale, AZ | Olfert Auto Sales - Copeland, KS | Oronoco Auto Sales - Oronoco, MN |
| Obrien Auto Team - Ft Myers, FL | Olger Motors, Inc. - Woodbridge, NJ | Orr Honda Superstore - Texarkana, TX |
| Ocala Auto Brokers Llc - Ocala, FL | Olivas Auto - Brighton, CO | Ortega Motors - Vinton, TX |
| Ocala Autoplex Inc - Ocala, FL | Olney Auto Sales - Springfield, VT | Osborne Automotive Inc - Hendersonville, NC |
| Ocean Auto Sales - San Clemente, CA | Olsen Implement Inc - Huron, SD | Oscars Auto Sales Llc - Nancy, KY |
| Ocean Auto Sales - Miami, FL | Olsi Auto Sales - Worcester, MA | Oskuie Service Ctr Inc - Fairfax, VA |
| Ocean Conversions & Mobility Inc. - Pompano Beach, FL | Olson Auto Exchange Llc - Stoughton, WI | Ot Auto Sales - Chicago Heights, IL |
| Ocean Imports - Huntington Beach, CA | Olympic Auto Group - Farmingdale, NY | Otis At Northwest Motorsport - Puyallup, WA |
| Ocean Mazda - Miami, FL | Olympic Auto Sales - National City, CA | Otten Automotive - La Porte City, IA |
| Ocean Street Motors - Marshfield, MA | Omega Auto Sports - Noblesville, IN | Otto's Auto Sales - Gainesville, TX |
| Ocean's Imports - Santa Cruz, CA | Omega Motorsports - Needham, MA | Out West Auto Corral - Albuquerque, NM |
| Oceanside Auto Sales - Newport, NC | On Track Automall Inc - Orlando, FL | Outback Auto Sales Inc - Chicago, IL |
| Oceanside Motor Company Llc - Wilmington, NC | On-site Auto Sales - York, PA | Outdoors Unlimited Automotive - Canton, OH |
| Oceansky Auto - El Monte, CA | One On One Sales - Mancelona, MI | Outlet Rental Car Sales - Dothan, AL |
| Oconee Auto Sales - Seneca, SC | One Planet Cars & Credit - Largo, FL | Overland Park Jeep - Overland Park, KS |
| Odessa Estate Jewlers - Twinsburg, OH | One Stop Auto Center - Tyler, TX | Owan Auto Sales - Chandler, AZ |
| Off Lease Only - Palm Springs, FL | One Stop Auto Sales - Dallas, TX | Owen Auto Llc - Des Moines, IA |
| Official Auto Sales - Plaistow, NH | One Stop Auto Sales - Tampa, FL | Owings Mills Motor Cars - Owings Mills, MD |
| Offlease Of Miami - Miami, FL | One Stop Auto Sales - Logan, UT | Owl Automotive Group - Longwood, FL |
| Offshore Automotive - Brunswick, GA | One Stop Auto Sales - North Attleboro, MA | Own A Car - Modesto, CA |
| Ohana Motors - Ohana Motors-across From Costco Gas, HI | One Stop Automotive - Commerce City, CO | Own A Car Frezno - Fresno, CA |
| Ohio Auto Connection Inc - Maple Hts, OH | One Stop Motors, Inc. - Hanover, PA | Oxford Motors - Oxford, PA |
| Ohio Auto Sales - Springfield, OH | One Way Auto Sales - Hammond, IN | Oxnard Auto Brokers - Oxnard, CA |
| Ohio Valley Honda - Steubenville, OH | Oneal's Automart Llc - Slidell, LA | Oz Auto Sales - Osawatomie, KS |
| Oil City Auto Salvage - Shepherd, MI | | |