Huntington Equine
- Information for thoroughbred and quarter horse auction update books, and personal pedigree books. Available for all auctions in the United States. Includes contact details.
- http://www.huntingtonequine.com

Horse-sale.com
- Features online classified ads for horses, equipment and job opportunities.
- http://www.horse-sale.com

Fasig-Tipton Company, Inc.
- Thoroughbred auction firm offering sales dates, catalogues, sales results and news. Lexington, Kentucky.
- http://www.fasigtipton.com

Cory Moran Thoroughbred Sales
- Thoroughbred racehorses sales. Contains Cory's biography and a photo gallery. Site needs flash plugin.
- http://corymoran.net

Keeneland Thoroughbred Racing and Sales
- Complete information on upcoming sales of Thoroughbred racehorses, plus live and simulcast racing. Features sales catalog and entry forms, racing news, tickets, and visitor information. Headquartered in Lexington, Kentucky.
- http://www.keeneland.com/splash.asp

Sparks Farm
- Specializing in the purchase and sales of Thoroughbred racehorses. Located in Kennett, Missouri.
- http://www.sparksfarm.com/

Barretts Equine Ltd.
- Selected thoroughbred racehorse sales. Catalog of upcoming sales, training records, racing statistics, and sales results. A California limited partnership of Barretts Equine Sales Inc.
- http://www.barretts.com/