North American Thoroughbred Race Tracks
- Ak-Sar-Ben (Aks): Omaha, Nebraska (Closed 1995).
- Albuquerque Downs (Alb): Albuquerque, NM 87108.
- Arlington Park (AP): Arlington Heights, IL 60004.
- Aqueduct Race Track (Aqu): Jamaica, NY 11417.
- Bay Meadows (BM): San Mateo, CA 94403.
- Belmont Park (Bel): Elmont, NY 11003.
- Beulah Park (Beu): Grove City, Ohio 43123.
- Calder Race Course (Crc): Miami, FL 33056.
- Charlestown (CT): Charles Town, WV 25414.
- Churchill Downs (CD): Louisville, KY 40208.
- Colonial Downs (Cnl): Quinton, VA 23141.
- Del Mar (Dmr): Del Mar, CA 92014.
- Delaware Park (Del): Wilmington, DE 19804.
- Delta Downs (Ded): Vinton, LA 70668.
- El Comandante (Elc): Canovanas, PR 00729.
- Emerald Downs (Emd): Auburn, WA 98001.
- Evangeline Downs (Evd): Opelousas, LA.
- Fair Grounds Race Course (FG): New Orleans, LA 70119.
- Fairmount Park (FP): St Louis, MO.
- Fairplex Park (Fpx): Pomona, CA 91768.
- Finger Lakes Race Track (FL): Farmington, NY 14425.
- Fort Erie Race Track (FE): Fort Erie, Ontario.
- Garden State Park (GS): Cherry Hill, New Jersey (Closed 2001).
- Golden Gate Fields (GG): Albany, CA 94706.
- Great Lakes Downs (Gld): Muskegon, MI 49444.
- Greenwood (Grd): Toronto, Ontario (Closed 1993).
- Gulfstream Park (GP): Hallandale, FL 33009.
- Hawthorne Race Course (Haw): Cicero, IL 60804.
- Hollywood Park (Hol): Inglewood, CA 90306.
- Hoosier Park (Hoo): Anderson, IN 46013.
- Indiana Downs (Ind): Shelbyville, IN 46176.
- Keeneland (Kee): Anderson, Lexington, KY 40510.
- Laurel Park (Lrl): Laurel, MD 20725.
- Lone Star Park (LS): Grand Prairie, TX 75050.
- Louisiana Downs (Lad): Bossier City, LA 71111.
- Meadowlands Racetrack (Med): East Rutherford, NJ 07073.
- Monmouth Park (Mth): Oceanport, NJ 07757.
- Mountaineer Race Track (Mnr): Chester, WV 26034.
- Oaklawn Park (OP): Hot Springs, AK 71902.
- Penn National Race Course (Pen): Grantville, PA 17028.
- Philadelphia Park (Pha): Bensalem, PA 19020.
- Pimlico Race Course (Pim): Baltimore, MD 21215.
- Portland Meadows (PM): Portland, OR 97217.
- Prairie Meadows (Prm): Altoona, IA 50009.
- Remington Park (RP): Oklahoma City, OK 73111.
- Retama Park (Ret): Selma, TX 78154.
- Sam Houston Race Park (Hou): Houston, TX 77064.
- Santa Anita Park (SA): Arcadia, CA 91007.
- Saratoga Race Course (Sar): Saratoga Springs, NY 12866.
- Suffolk Downs (Suf): East Boston, MA 02128.
- Tampa Bay Downs (Tam): Oldsmar, FL. 34677.
- Thistledown (Tdn): North Randall, OH 44128.
- Turf Paradise (Tup): Phoenix, AZ 85034.
- Turfway Park (TP): Florence, KY 41022.
- Woodbine Racetrack (WO): Toronto, Ontario M9W 5L2.