- Authenticom
- AutoAviso
- AutoConX Systems
- Autorevo
- Autos Plus Inc.
- Autotrader
- Backpage
- BayAreaDealers.com
- Car Gurus
- Cars.com
- CarsDirect
- CarsForSale.com
- Craigslist
- CUDL
- Dealer Specialties
- Dealerslink Inc.
- DealerSocket
- DealerTrack
- Dodah
- eBay
- Ever Logic
- FirstLook.biz
- Free Bee Auto
- HomeNet
- LemonFree.Com
- Link To The Future
- LotVantage
- MojoMotors
- TapClicks
- Target Media Partners
- The Data Cube
- TraderOnline.com
- TrueCar
- V12 Software
- Vast
- VinSolutions.com