| Short Name | Long Name | |
|---|
| AARA | Antique Auto Racing Association | website |
| ALMS | American Late Model Series | website |
| AMA | AMA Pro Flat Track | website |
| AMRA | American Motor Racing Association | website |
| AMSA | American Mini-Sprint Association | website |
| ARDC | American Racing Drivers Club | website |
| ASA | American Speed Association | website |
| ASCOC | All Star Circuit of Champions | website |
| ASCS | American Sprint Car Series | website |
| ASLMS | All Star Late Model Series | website |
| BCRA | Bay Cities Racing Association | website |
| BMARA | Badger Midget Auto Racing Association | website |
| BMSA | Brazos Mini Sprint Association | website |
| BRP Can-Am Series | Bicknell Racing Products - Can-Am Series | website |
| BRP Modified Tour | Bricknell Racing Products - Modified Tour | website |
| BSS | Big Sky Sprints | website |
| CCSLMS | Carolina Clash Super Late Model Series | website |
| CDCRA | California Dwarf Car Racing Association | website |
| CLS | California Lightning Sprints | website |
| CRSA | Capital Region Sprintcar Agency | website |
| CSA | Cajun Sprinters Association | website |
| CWS | California Sprint Car Civil War Series | website |
| DIRTcar | DIRTcar Racing | website |
| DMA | Dirt Midget Association | website |
| ECMSA | East Coast Mini Sprint Association | website |
| EMSA | Eighth Mile Sprint Association | website |
| ESS | Empire Super Sprints | website |
| Fastrak | Fastrak Racing Series | website |
| FMSA | Florida Mini Sprint Association | website |
| FSCA | Florida Sprint Car Association | website |
| GMSA | Georgia Micro Sprints Association | website |
| GSMSRC | Granite State Mini Sprints Racing Club | website |
| ILMS | Indiana Late Model Series | website |
| IMCA | International Motor Contest Association | website |
| IMLRS | Indiana Modified Lite Racing Series | website |
| IRA | Interstate Racing Association Outlaw Sprints | website |
| IRS | Illini Racing Series | website |
| JHR | Jayhusker Racing | website |
| KISS | King of Indiana Sprint Series | website |
| KLASCAR | Keystone Legends Association of Stock Car Auto Rac | website |
| LOLMDS | Lucas Oil Late Model Dirt Series | website |
| M305SC | Midwest 305 Sprint Cars | website |
| MADCRA | Mid America Dwarf Car Racing Association | website |
| MASS | Midwest All Star Series | website |
| MLRA | Midwest LateModel Racing Association | website |
| MMSA | Midwest Mini Sprint Association | website |
| MSA | Midwest Sprintcar Association | website |
| MSCS | Midwest Sprint Car Series | website |
| MSRA | Mid South Racing Association | website |
| MSS | Mississippi State Series | website |
| MTQRL | Midwest TQ Racing League | website |
| MTS | Michigan Traditional Sprints | website |
| MVSCC | Midstate Vintage Stock Car Club | website |
| NALMS | Northern Allstars Late Model Series | website |
| NASRA | National All Star Racing Association | website |
| NCMA | Northern California Motor Association | website |
| NCRA | National Championship Racing Association | website |
| NDLMS | NeSmith Dirt Late Model Series | website |
| NDRA | National Dirt Racing Association | website |
| NLMSS | National Late Model Series | website |
| NLRA | Northern Late Model Racing Association | website |
| NMMRA | New Mexico Motor Racing Association | website |
| NMRA | National Midget Racing Association | website |
| NOSA | Northern Outlaw Sprint Association | website |
| NPPLMS | Northern Provincial Pipeline Late Model Series | website |
| NRA | National Racing Alliance | website |
| OCRS | Oil Capital Racing Series | website |
| OMMS | Ozark Mountain Midget Series | website |
| OVLRS | Outlaw Vintage Lites Racing Series | website |
| OVSCA | Ohio Valley Sprint Car Association | website |
| PASS | PA Sprint Series | website |
| PASSCAR | Perris Auto Speedway Southern California Auto Racing | website |
| POWRi | Performance Open Wheel Racing, Inc. | website |
| ROC | Race of Champions | website |
| RSCS | Renegade Sprint Car Series | website |
| RSSS | Race Saver Sprint Series | website |
| SCoNE | Sprint Cars of New England | website |
| SIA | Sprint Invaders Association | website |
| SNS | Southern Nationals Series | website |
| SOD | Sprints on Dirt | website |
| SOS | Southern Ontario Sprints | website |
| SRRS | Southern Regional Racing Series | website |
| SST | Sprint Series of Texas | website |
| STS | Southern Thunder Sprints | website |
| SUPR | Southern United Professional Racing | website |
| TGSCS | Top Gun Sprint Car Series | website |
| TSF | Three State Flyers - Super Late Model Series | website |
| TSMA | Tri-State Modified Association | website |
| UDLMCS | United Dirt Late Model Challenge Series | website |
| ULMA | United Late Model Association | website |
| ULMS | United Late Model Series | website |
| UMP | United Midwestern Promoters | website |
| UMP - AMS | United Midwestern Promoters - American Modified Series | website |
| UMRA | United Midget Racing Association | website |
| UMSS | Upper Midwest Sprintcar Series | website |
| URC | United Racing Company | website |
| URSS | United Rebel Sprint Series | website |
| USAC | United States Auto Club | website |
| USCS | United Sprint Car Series | website |
| USDCS | United Super Dirt Car Series | website |
| USMTS | United States Modified Touring Series | website |
| USRA | United States Racing Association | website |
| VRA | Ventura Racing Association | website |
| WDLMA | Wisconsin Dirt Late Model Association | website |
| WISSOTA | WISSOTA Racing Association | website |
| WoO | World of Outlaws | website |
| WSS | World Series Sprintcars | website |
