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4c Supermodifieds - 4 Cylinder Supermodifieds
600 Racing - INEX - Legend Cars, Bandoleros & Thunder Roadsters
600 Pro Series - Micro-Sprints
1200 American Mini-Sprint Association - Micro-Sprints
24 Hours Of LeMons - Enduro style road racing
 AARA - Antique Auto Racing Association - Vintage Racing
ACT  - American-Canadian Tour - paved Late Models
Action Motorsports Promotions  - dirt Jr. Sprint & Motorcycle racing
 Advance Auto Parts Super Dirt Series - dirt Big Block Modifieds
Advance Auto Parts Thunder Series - see: Tennessee Thunder DirtCar Series
 Advance Racing Association  - ARA - Late Models & Trucks
 Alaska Sports Car Club  - ASSC - Road Racing
 Alberta Outlaw Modifieds - Modifieds
 Alberta Sprint Tour - AST - dirt 360ci winged Sprint Cars
All Harley Drag Racing Association - AHDRA - Drag Racing
All Star Circuit Of Champions - dirt 410ci winged Sprint Cars
All Star Late Model Series - dirt Late Models
All Star Outlaw Late Model Series  - ASOLMS - paved Late Models
All Star Race Truck Series - ASRTS - Truck racing
 All Star Trucks Northeast Region - Truck racing
Allison Legacy Race Series - 5/8 scale Late Models
ALSTAR Late Model Super Series - paved Late Models
AMA - American Motorcyclist Association - Road Racing Motorcycles
AMA - American Motorcyclist Association - Flat Track Motorcycles
AMA Dragbike - American Motorcyclist Association - Motorcycle Drag Racing
American 1200 Mini-Sprint Association - Mini-Sprints
American Canadian Tour - ACT - paved Late Models
American Historic Racing Motorcycle Association - AHDMA - Motorcycle Road Racing
American Hot Rod Association - Drag Racing
American Independent Midgets Series - Midgets
 American Late Model Series - ALMS - dirt Late Models
American LeMans Series - ALMS - Road Racing
American Mini Cup Series - AMCS - Mini Cups
American Mini-Sprint Association - AMSA - Mini-Sprints
American Motor Racing Association - AMRA - Modifieds
American Motorcycle Racing Association - AMRA - Motorcycle Drag Racing
American Motorcyclist Association - AMA - Road Racing Motorcycles
American Motorcyclist Association - AMA - Flat Track Motorcycles
American Motorcyclist Association - AMA Prostar - Motorcycle Drag Racing
American Power Boat Association - APBA - boats
 American Racing Drivers Club - ARDC - Midgets
American Sand Drag Association - ASDA - Sand Drag racing
American Speed Association - ASA - pavement Late Models
American Sportbike Racing Association - ASRA - Motorcycle Road Racing
American Sprint Car Series - ASCS - dirt 360ci winged Sprint Cars
American TQ Midget Racing Association - ATQMRA - TQ Midgets
AMP Series  - dirt Late Model Racing
AMP TOUR Monster Truck Series - Monster Trucks
 Antique Auto Racing Association - AARA - Vintage Racing
APBA - American Power Boat Association - Boats
 A'Pex International - Road Racing
ARCA - various
ARCA West - various
ARCA WEST LATE MODEL CHALLENGE - pavement Late Models
ARDC - American Racing Drivers Club - Midgets
Arizona Modified Midgets Association - Modified-Midgets
Arizona Sprint Car Association - ASCA - Sprint Cars
Arkansas Dwarf Car Racing Association - ADCRA - dwarf car racing
ArkLaTex Winged Modifieds - Modifieds
ASA - American Speed Association - pavement Late Models
ASA Intermountain Pro-4 Challenge Series - Pro-4s
ASA Late Model Series - ASALMS - pavement Late Models
ASA Late Models North - ASA - pavement Late Models
ASA Late Models South - ASA - pavement Late Models
ASA Midwest Tour - ASA - pavement Late Models
ASA Northwest SprintCar Racing Association - ASA/NSRA - pavement Sprint Cars
 ASA Northwest Tour - ASA - pavement Late Models
ASA Racing - ASA-Racing - Member Tracks
ASA Southeast Asphalt Tour - ASA - pavement Late Models
ASA Southern Modified Racing Tour - Modified racing
ASA Speed Truck Challenge - Truck Racing
 ASCS - American Sprint Car Series - dirt 360ci winged Sprint Cars
ASCS - Northern Plains Region - American Sprint Car Series - dirt 360ci winged Sprint Cars
ASCS - Patriot Sprints  - dirt 360ci Winged Sprint Cars
ASCS - Sprints On Dirt - SOD - dirt 360ci Winged Sprint Cars
ASN Canada FIA - Road Racing
 AST - Alberta Sprint Tour - dirt 360ci winged Sprint Cars
 Atlantic Championship - open wheel Road Racing
 Atlantic Coast Old Timer Racing Club - ACOT - Vintage Racing
Atlantic Drag Racing Association - ADRA - Drag racing in the Maritimes
 Atlantic Sports Car Club - Road Racing
 ATQMRA - pavement TQ Midgets
 Auto Moto Xcross - AMX - Off-Road Stock Cars
Automobile Racing Club of America - ARCA - various
Auto Race Promotions - ARPI - Figure 8s & Demo Derbies
Auto Value Michigan Legends Series - Legend cars
Auto Value Super Sprints - paved 410ci Sprint Cars
 Automobile Competition Committee US/FIA - Int'l sanctioning body
 Autostar Productions - Super Chevy shows
 
B & M Racer Appreciation Series - Drag racing
 Baby Grand Stockcar Association - scale Late Models
 Barber Dodge Pro Series - see: Skip Barber National
Badger-Illini Classic Modifieds - BIDCA - Modifieds
Badger Midget Auto Racing Association - Midgets
 Battle of the Bluegrass Tour - NARA - dirt Late Models
Bay Cities Racing Association - BCRA - Midgets
 BCRA - Bay Cities Racing Association - Midgets
 BCRA - Big Car Racing Association - Vintage Sprints
 Big 8 Series - Pavement Late Models
 Big Car Racing Association - BCRA - Vintage Sprints
 Big Sky Sprint Tour - BSST - Montana Sprints
 BRP Can-Am Series - dirt Late Models
 BRP/ Hoosier Tire Modified Tour - dirt Modifieds
 BSST - Big Sky Sprint Tour - Montana Sprints
 BST Modified Series - BST - Modifieds
Buckeye Super Sprints - pavement 305ci winged Sprints
  
 CRA - paved Late Models
Cajun Sprinters Association - dirt 360ci winged Sprint Cars
California Independent Funny Car Association - CIFCA - Drag Racing
 California Lightning Sprints - CLS - dirt Mini-Sprints
California Sprint Car Civil War Series - dirt Sprint Cars
Can-Am Midget Racing Club - TQ Midgets
Canadian Automobile Sport Clubs - CASC - Road Racing
Canadian Motor Racing Historical Society - Exhibition Oval Racing
Canadian Vintage Modifieds - CVM - Vintage Racing
Capital Region Sprintcar Agency - CRSA - dirt 305ci winged Sprint Cars
Carolina Clash Super Late Model Dirt Racing Series - dirt Late Models
Carolina Modified Tour - CMT - asphalt Modifieds
Carquest Dirt Late Model Tour - see: Western Extreme DirtCar Series
Chrysler Classic Events - CCS - Drag Racing
Carquest Pro Stock Tour - paved Late Models
 CASA - California Asphalt Sprint Association - asphalt Sprint Cars
CASC - Canadian Automobile Sports Club - Road Racing
CCS - Championship Cup Series - Motorcycle Racing
Central Florida Wingless Sprint Car Association - CFWSCA - dirt Winged Sprints
 Central Montana Auto Moto Xcross Racing Association -  AMX
 CFSS - Checkered Flag Sprint Series - pavement Sprint Cars
 ChampCar F6000 - Road Racing
Champion Racing Association - CRA Super Series - paved Late Models
 Championship Auto Racing Series - CARS - dirt Late Models
Championship Cup Series - CCS - Motorcycle Racing
Championship Enduro Series - CES - Kart Road Racing
Championship Off-Road Racing - CORR - Off-Road Racing
Checkered Flag Sprint Series - CFSS - pavement Sprint Cars
CIFCA - California Independent Funny Car Association - Drag Racing
Clear Channel Entertainment - Monster Trucks
Colorado 1200 Outlaws - Mini-Sprints
 Colorado Late Model Association - CLMA - dirt Late Models
 CORR - Championship Off-Road Racing - Off-Road Racing
Corteco National Late Model Series, Southern Dirt Tour - NLMSS - dirt Late Models
 Coupe Toyota Pirelli - Road Racing in Quebec
CRA Super Series - paved Late Models
 Crate American Racing Series - C.A.R.S. - dirt Late Models
 CRSA - Capital Region Sprint Cars Agency - dirt 305 Winged Sprints
 Cup Lites Racing Series - - mini Late Models
   
Dakota Classic Modified Tour - DCMT - Vintage Racing
Daytona Antique Auto Racing Association - DAARA - Vintage Racing
Diesel Drag Racing Association - DDRA - Drag Racing
Diesel Hot Rod Association - DHRA - Drag Racing
Dirt LateModel Racing Association - DLRA - dirt Late Models
 DIRT Motorsports - DIRT - Modifieds & Pro Stocks
Dirt Track Racing Association - DTRA - dirt Late Models
Dixie Late Model Series - Late Model Racing
 DLRA - Dirt LateModel Racing Association - dirt Late Models
 Drag News All-Star Tour - Drag Racing
DTRA - Dirt Track Racing Association - dirt Late Models
 Dwarf Cars USA - Dwarf Cars
 
East Coast Mini-Sprint Association - Mini-Sprints
East Coast Race Trucks - Truck Racing
Eastern Outlaw Quarter Midgets - EOQM - 1/4 Midgets
 Echo Cup - see: Coupe Toyota Pirelli
Empire Lightning Sprints - 1000cc Mini-Sprints
Empire State Dwarf Car Association - ESDCA - Dwarf Cars
Empire Super Sprints - ESS - dirt 360ci winged Sprint Cars
 Englewood Racing Association - ERA - Supermodifieds
 ERA - Englewood Racing Association - Supermodifieds
 ESS - Empire Super Sprints - dirt 360ci winged Sprint Cars
F2000 Championship Series - Road Racing
 FASCAR - paved Late Models
 Fastest Street Car - Drag Racing
Fastrak Racing Series - FTS - dirt crate engine Late Models
 Federation de Sport Automobile - FSAQ - Quebec Road Racing
 Feld Motor Sports - Monster Trucks
 Firestone Indy Lights - IndyCars
 Florida Motorsports Extravaganza - FMG - pavement Truck Racing
Florida Association of Stock Car Auto Racing - FASCAR - paved Late Models
 Florida Mini-Sprint Association - FMSA - Mini-Sprints
Florida Sprint Car Association - FSCA - Sprints
Florida Winged Sprints - Sprints
 Ford Racing Mustang Challenge - Road Racing
Formula 2000 Championship Series - F2000 - Road Racing
Formula BMW USA - Road Racing
Formula Indy Racing Association - Mini-Champs
Formula Pro Racing Series - FPRS - Road Racing
 Formula Race Car Club of America - FRCCA - Road Racing
 Formula USA Championship Cup - Motorcycle Racing
4c Supermodifieds - 4 Cylinder Supermodifieds
Gateway Racing - see: POWRi Racing
 Georgia Asphalt Series - paved Late Models in Georgia and Alabama
 Georgia Mini-Sprint Racing Series - dirt Mini-Sprint in Georgia and Alabama
 Golden State Challenge - GSC - dirt 410ci winged Sprint Cars
Good Guys Vintage Drag Racing Association - Drag Racing
Grand American Koni Challenge Series -  Road Racing
Grand American Rolex Sports Car Series -  Road Racing
 Granite State Mini-Sprint Racing Club - Mini-Sprints
GT American Road Racing Association - GTA - West Coast Road Racing

Historic Grand Prix - Vintage Racing with former Grand Prix cars
Historic SportsCar Racing - HSR - Vintage Racing
Historic Sports Car Racing West - HSCRW - Vintage Racing
Hoosier Outlaw Sprint Series - HOSS - pavement 410ci winged Sprint Cars
 HOSS - Hoosier Outlaw Sprint Series - paved 410ci winged Sprint Cars
 
 ICAR Late Model Series - ICAR - pavement Late Models
Idaho SixCylinder Racing League - ISRL - pavement Sprint Cars
IDBA - International Drag Bike Association - Motorcycle Drag Racing
IHRA - International Hot Rod Association - Drag Racing
IKF - International Karting Federation - Karts
Illini Racing Series - IRS - Midgets & 360 Sprints
IMCA - International Motor Contest Association - various
 IMSA - International Motor Sports Association - Road Racing
 Indiana Crate Series - dirt Late Models
Indiana Late Model Series - ILMS - dirt Late Models
 Indiana Modified Lites Racing Series - Modified Lites
Indy Pro Series - IPS - IndyCars
 Indy Racing League - see: Firestone Indy Lights
 Indy United Racing League - see: Advance Racing Association
Inland Northwest Sprint Car Association - Sprint Cars
INEX Corporation - Legend Cars, Bandoleros & Thunder Roadsters
International Demo Derby - Figure 8s & Demo Derbies
International Drag Bike Association - IDBA - Motorcycle Drag Racing
International Outlaw Figure 8  Series - IOF8S - Figure 8 racing
International Hot Rod Association - IHRA - Drag Racing
International Ice Racing Association - ice racing
 International Karting Federation - IKF - Karts
International Mini-Truck Racing Association - IMTRA - Oval Track racing
International Motor Contest Association - IMCA -  various
 International Motor Contest Associates - IMCA Canada - various
 International Motor Sports Association - IMSA - Road Racing
 International Outlaw Figure 8 Series - IOFS - Figure 8 racing
International Race of Champions - IROC - paved Late Models
 International Sport Compact Auto Racing Series - ISCARS - Dash Cars
International StockCar Association - ISA - Late Models
International Supermodified Association - ISMA - pavement 410ci winged Supermodifieds
Interstate Racing Association - IRA - dirt 410ci winged Sprint Cars
 Iowa Enduro Series - IES - Enduros
IRA - Interstate Racing Association - dirt 410ci winged Sprint Cars
 IRL - Indy Racing League - IndyCars
 IRS - Illini Racing Series - Midgets & 360 Sprints
IRS - Independent Racing Series - dirt Late Models
 ISMA - International Supermodified Association - pavement 410ci winged Supermodifieds

J.M. Productions - Figure 8s & Demo Derbies
 Jayhusker Racing - TQ Midgets
 Junior All-Star Organization - Drag Racing
 
Keystone Legends Association of Stock Car Auto Racers - Legend Cars
 King Of Indiana Sprint Car Series - KISS  - dirt 410ci non-winged Sprint Cars
 King Of The Mountains Weekly Racing Series - Late Models, Modifieds, Stocks & Mini-Stocks
 KISS - King of Indiana Sprint Car Series  - dirt 410ci non-winged Sprint Cars
 KLASCAR - Legend Cars
 K.O.I.L. Legends Tour - Legend Cars & Bandoleros

Late Model Challenge Series - LMCS - pavement Late Models
Late Model Truck Racing Association - LMTRA - Truck Racing
Legends Of Michigan - Legend Car Racing
Legends Racing Club of Arizona - Legend Car Racing
Lone Star Legends - Legend Car Racing in Texas
Lucas Oil Empire Super Sprints - ESS - dirt 360ci winged Sprint Cars
 Lucas Oil Late Model Dirt Series - dirt Late Models
MACS - Mid-Atlantic Championship Series - dirt Late Models
Main Event Racing Series - paved Super Late Models
Maine Vintage Racing Car Association - MVRCA - Vintage Oval Racing
 MANDRA - Mid-Atlantic Drag Racing Association - Drag Racing
Maritime Pro Stock Tour - paved Late Models in Eastern Canada
 MARS - Mid-American Racing Series - dirt Late Models
 Mazda Maita 5 Cup - SCCA MX 5 Cup - Road Racing
 MCSCC - Midwest Council of Sports Car Clubs - Road Racing
 Michigan Ice Racing Association - MIRA - ice racing
 Michigan Legends Series - Legend cars
Michigan Modified Association - MMA - Modifieds
 Michigan Speedway Promoters Association - MSPA
Michigan Traditonal Sprint Series - Sprint cars
Micro Sprint USA - Micro-Sprint cars
Mid-America Funny Car Circuit - MAFCC - Drag Racing
Mid-American Dwarf Car Racing Association - Dwarf cars
Mid-American Off-Road Association - MAORA - Off-Road Racing
 Mid-American Racing Series - MARS - dirt Late Models
Mid-American Stock Car Series - paved Stock Cars
Mid-Atlantic Championship Series - MACS - dirt Late Models
Mid-Atlantic Nostalgia Drag Racing Association - MANDRA - Drag Racing
 Mid South Racing Association - MSRA - dirt Late Models
Midstate Vintage Stock Car Club - MVSCC - Vintage Oval Track racing
 Midwest 305 Sprint Cars - dirt 305ci winged Sprint Cars
Midwest Classic Racers - MCR - Dwarf Cars
Midwest Drag Racing Association - MDRA - Drag Racing
 Midwest LateModel Racing Association - MLRA - dirt Late Models
 Midwest Mini Sprint Association - MMSA - dirt Mini-Sprints
Midwest Oldtimers Vintage Club - MOVRC - Vintage Racing
Midwest Outlaw Lightning Sprints - Mini-Sprints
Midwest Sprint Car Association - MSCA - dirt 360ci Sprint Cars
Midwest Sprint Car Series - MSCS - dirt 410ci non-winged Sprint Cars
Midwest Sprint Association - MSA - dirt 360ci winged Sprint Cars
Midwest Super Comp Series - MCSC - Drag Racing
Midwest Supermodified Association - MSA - pavement 410ci winged Supermodifieds
Midwest TQ Racing League - MTQRL- TQ Midgets
 Midwestern Council of Sports Car Clubs - MCSCC - Road Racing
 Miniature Motorsports Racing Association - MMRA - scale Oval track racing
 Minnesota Auto Racing Promoters - various
Mississippi Mod Series - MMS - Modified racing
 Mississippi State Championship - MSCC - dirt Late Model racing
 MLRA - Midwest LateModel Racing Association - dirt Late Models
 Mod-Cars - Oval Racing
Modified Racing Series - paved modifieds in NC &  VA
 Modified Stock Racing Association - Road Racing
 Monster Midwest Series - dirt Late Models
Montana Bump-N-Run Association - Bump N Run
 Motorsports Division of Live Nation - see: Live Nation Motorsports
 MSA - Midwest Sprint Association - Sprint Cars
MSA - Midwest Supermodified Association - pavement 410ci winged Supermodifieds
MSCS - Midwest Sprint Car Series - dirt 410ci non-winged Sprint Cars (IN)
MSRA - Mid South Racing Association - dirt Late Models
MST - Montana Sprint Tour - dirt 350ci winged Sprint Cars
NALMS - Northern All Star Late Model Racing Association - dirt Late Models
NAMRA - North American Mini-Champ Racing Association - dirt Mini-Champ
 NARA - North American Racing Association - dirt Late Models
NASA - National Auto Sport Association - Road Racing
NASCAR - National Association for Stock Car Auto Racing - various
NASCAR Camping World East - paved Late Models
NASCAR Canadian Tire Series - paved Late Models
National 3/4 Midget Racing Association - NMRA - TQ Midgets
National Association for Stock Car Auto Racing - NASCAR - various
National Auto Sport Association - NASA -  Road Racing
National Championship Racing Association - NCRA - various oval classes
 National Flat Track Racing Association - NFTRA - flat track Motorcycles
National Hot Rod Association - NHRA - Drag Racing
National Late Model Series, Southern Dirt Tour - NLMS - dirt Late Models
 National Muscle Car Association - NMCA - Drag Racing
National Mustang Racing Association - NMRA - Drag Racing
National Off-Road Racing Association - NORRA -  Off-Road Racing
National Racing Alliance Sprint Invaders - NRA - dirt 360ci winged Sprint Cars
National Tractor Pullers Association - NTPA - Tractor Pulls
National 3/4 Midget Racing Association - NMRA -TQ Midget Racing
National Vintage Racing Association - NVRA - Vintage Oval Racing
NCMA - Northern California Modified Association - dirt Modifieds
NCMA Sprints - dirt Sprints
NCRA - National Championship Racing Association - dirt 360ci winged Sprints, Late Models, Modifieds
NEAR - New England Antique Racers - vintage Oval Racing
NEMA - Northeastern Midget Association - Midgets
NeSmith National Dirt Late Model Series - dirt track Late Models
 New England Antique Racers - NEAR - vintage Oval Racing
NHRA - National Hot Rod Association - Drag Racing
NMRA - National 3/4 Midget Racing Association - TQ Midgets
NMRA Street Nationals - NMRA - Drag Racing
NORA - Northeast Organized Racing Association - pavement Ltd. Supermodifieds
 NORRA - National Off-Road Racing Association - Off-Road Racing
North American Big Rig Racing - NABRR - Semi-Truck Racing
North American Mini-Champ Racing Association - NAMRA - pavement Mini-Champs
North American Racing Association - NARA - dirt Late Models
North American Swamp Racing Association - Swamp Racing
North East Enduro Tour Series - NEETS - Stock Cars
North Peace Bracket Racing Association - NPBRA - Drag Racing in Western Canada
North State Challenge Series - pavement Late Models
 North Texas Sprint Car Association - NTSCA - Sprint Cars
Northeast Organized Racing Association - NORA - pavement Ltd. Supermodifieds
Northeastern Midget Association - NEMA - Midgets
Northern All Star Late Model Racing Series - NALRS - dirt Late Models
 Northern California Modified Association - NCMA - dirt Modifieds
Northern California Sprint Association - NCMA - dirt/pavement non-winged Sprints
 Northern Late Model Racing Association - NLRA - dirt Late Models
 Northern Lights Dirt Series - NLDS - various divisions in Alaska
Northern Outlaw Midget Association - NOMA - Midgets
Northern Outlaw Sprint Association - NOSA - dirt 410ci winged Sprint Cars
 Northern Provincial Pipeline Late Models - NPP - dirt Late Models
 Northern Super Stock Touring Series - dirt Super Stocks
Northwest Late Model Challenge Series - LMCS - paved Late Models
Northwest Legends & Bandoleros - NWMS - Legends & Bandoleros
Northwest Modified Series - NWMS - Modifieds
Northwest Pro 4 Trucks - Trucks
Northwest SprintCar Racing Association - ASA/NSRA - pavement 360ci winged Sprint Cars
 Northwest Wingless Tour - NWWT - dirt 360ci non-winged Sprint Cars
 NOSA - Northern Outlaw Sprint Association - dirt 410ci winged Sprint Cars
Nostalgia Pro Comp Association - NPCA - Drag Racing
Nostalgia Super Stocks - N/SS - Drag Racing
NPBRA - North Peace Bracket Racing Association - Drag Racing in Western Canada
NRA Sprint Invaders - NRA - dirt 360ci winged Sprint Cars
 NST - National Sprint Tour - dirt 410ci winged Sprint Cars
NTPA - National Tractor Pullers Association - Tractor Pulls
 NWSST - Northwest Street Stock Tour - Street Stocks
NWWT - Northwest Wingless Tour - dirt 360ci non-winged Sprint Cars

 O'Reilly All American Late Model Series - ASLMS - dirt Late Models
O'Reilly All Star Circuit Of Champions - dirt 410ci winged Sprint Cars
O'Reilly All Star Late Model Series - dirt Late Models
O'Reilly American Sprint Car Series - dirt 360ci winged Sprint cars
O'Reilly Battle of the Bluegrass Tour - NARA - dirt Late Models
 O'Reilly Midwest LateModel Racing Association - MLRA - dirt Late Models
 O'Reilly Southern All Star Racing Series - OSAS - dirt Late Models
O'Reilly Southern Nationals Series - dirt track Late Models
O'Reilly Southern United Professional Racing - SUPR - dirt Late Models
 O'Reilly Sprint Bandits - dirt 410ci non-winged Sprint Cars
O'Reilly United Mini-Sprint Association - UMSA - Mini-Sprints
O'Reilly United Sprint Car Series - USCS - dirt 360ci winged Sprint Cars
O'Reilly Winged Outlaw Warriors - WoW - dirt track 360ci winged Sprint Cars
 Oil Capital Racing Series - dirt Sprint Cars
 Old School Racing Champion's Tour - pavement Late Models
 Ontario Stock Car Association of Asphalt Racers - OSCAAR - pavement Outlaw Super Late Models
 Open Wheel Racing Series - OWRS - IndyCars
 OSCAAR - Ontario Stock Car Association of Asphalt Racers - pavement Outlaw Super Late Models
 Outlaw Late Model Racing Association - pavement Late Models
 Outlaw Racing Street Car Association - ORSCA - Drag Racing
 Outlaw Vintage Lites Racing Series - OVLRS - Dwarf Cars & Modified Lites
Ozark Mountain Midget Series - dirt Midgets

Panoz Racing Series - Road Racing
PASS - Pro All Star Series - pavement Late Models
Patriot Sprint Group - PSG - dirt 360ci winged Sprint Cars
PA Sprinter Series - dirt 305ci winged Sprint Cars
Planet Pages USA Modified Series - Modifieds
POWRi Racing - Midgets & Mini-Sprints
 Prairie Dog Racing Association - dirt Sprint Cars
 PRESS - Pro Racing Econo Sprint Series - pavement Sprint Cars
Pro All Star Series - PASS - pavement Late Models
Pro Fastest Street Car Series - NMCA - Drag Racing
Pro Four Modifieds of New England - pavement Pro Fours Modifieds
 Pro Modified Racing Association - PMRA - Drag Racing
 Pro Outlaw Door Slammers - Drag Racing
 Pro Top Outlaws - PRO - Drag Racing
 ProAutoSport - Road Racing
Professional Sports Car Racing - PSCR - Road Racing

Quarter Midgets of America - QMA - Quarter Midgets
 Quick Silver Racing - Mini-Cup racing

Race Of Champions  - pavement Modifieds
Race of Champions - dirt Modifieds
Regional Racing Series - dirt Late Models
Renegade DirtCar Racing Series - dirt Late Models
Renegade Sprint Car Series - dirt Sprint Cars in TX & NM
Roadway Demolition Derby - Demo Derbies & Figure 8s
Rocky Mountain Challenge Series -  pavement Late Models
Rolling Thunder Big Rig Racing - Semi-truck racing
ROMCO Super Late Model Series - pavement Late Models
 
Saskatchewan Racing League - racing in Saskatchewan
SATCAR - Road Racing
Scale Racing League - SRL - Scale Oval Racing
SCCA - Sports Car Club of America - Road Racing
SCCA Pro Racing - Sports Car Club of America - Professional Road Racing
SCOA - Sprint Car Owners of Arizona - dirt track Sprint Cars
SCONE - Sprint Cars Of New England - dirt track 360 Sprint Cars
SCRA - Sprint Car Racing Association - dirt track 360ci non-winged Sprint Cars
Senior Tour Auto Racers - STAR - Vintage Oval Racing
Serie ProCam Super Trucks - pavement Truck racing in Quebec
Short Track Truck.com Challenge Series - Trucks
Show-Me Racin' Series - dirt track Late Models
SIMS - Southern Indpendent Modified Series - dirt track Modifieds
Six Shooters Sprint Car Racing Association - SSSCRA - dirt 6-cylinder Sprints
600 Racing - INEX - Legend Cars, Bandoleros & Thunder Roadsters
 Skip Barber National Championship - Formula Car Road Racing
 Slingshot Tour - Slingshot Modified Racing
SMART - Steelblock Mid-Atltntic Racing Tour - dirt Late Models
SMRA - Super Modified Racing Association - pavement winged Supermodifieds
 SMRS - Southern Midget Racing Series - dirt track Midgets
SOS - Sothern Ontario Sprints - dirt track 360ci winged Sprint Cars
South Georgia Open Wheel Association - Modified Racing
Southern All Star Racing Series - OSAS - dirt track Late Models
Southern Bracket Racing Association - SBRA - Drag Racing
Southern California Dwarf Car Association - SCDCA - Dwarf Cars
Southern Ground Pounders Racing Club - paved track vintage Modifieds
Southern Independent Modified Series - SIMS - dirt track Modifieds
 Southern Late Model Stocks - SLMS - dirt Late Models
Southern Midget Racing Series - SMRS - dirt track Midgets
Southern Modified Racing Tour - Modified racing
Southern Nationals Series - dirt track Late Models
Southern Ontario Sprints - SOS - dirt track 360ci winged Sprint Cars
Southern Outlaw Door Slammers - see: Por Outlaws Door Slammers
 Southern Outlaw Super Series - SOSS - Late Models
Southern Pro Late Model Series - SPLMS - pavement Late Models
Southern Regional Racing Series - SRRS - dirt Late Models
Southern Sprint Car Association - SSCA - Sprint Cars
Southern Super Stars Short Track Series - pavement Late Models
Southern States Midget Association - SSMA - Midgets
Southern Thunder Sprints - STS - dirt track 305ci winged Sprint Cars
Southern Thunder Tour - dirt track Late Models
Southern United Modified Association - SUMA - dirt track Modifieds
Southern United Professional Racing - SUPR - dirt track Late Models & 360ci winged Sprint Cars
Southwest Bandit Sprint Car Series - dirt track 360ci Sprint Cars
Southwest Dirt Racing Association - dirt track Late Model
Southwest Sprint Car League - dirt track 360ci non-winged Sprint Cars
Speed Truck Challenge - Truck Racing
 Speed World Challenge - Road Racing
Sports And Touring Car Racing - SATCAR - Road Racing
Sports Car Club of America - SCCA - Amateur Road Racing
Sports Car Club of America - SCCA - Professional Road Racing
 Sportscar Vintage Racing Association - SVRA - Vintage Road Racing
 Sprint Asphalt Series - SAS - paved track Sprint Cars
 Sprint Bandits - dirt track 410ci non-winged Sprint Cars
Sprint Cars Of New England - SCONE - dirt track 360 Sprint Cars
Sprint Car Owners of Arizona - SCOA - dirt track Sprint Cars
Sprint Car Owners Racing Association - SCORA - non-winged 360ci Sprint Cars
Sprint Car Racing League - SCRL - non-winged 360 Sprints
Sprint Car Series of Texas - dirt track Sprint Cars
Sprint Invaders Association - dirt track 410ci winged Sprint Cars
Sprint Series of Texas - SSR- dirt track Sprint Cars
Sprints On Dirt - SOD - dirt track 360ci Winged Sprint Cars
SRL Southern Tour Series - StockCar Racing League - paved track Late Models
SRL Supermodifieds - Supermodified Racing League - paved track Supermodifieds
 SST Racing Series - SST - pavement Modifieds & Super Stocks
Star Mazda Championship Series - Road Racing
Steelblock Mid-Atlantic Racing Tour - SMART - dirt Late Models
Super Chevy Shows - Drag Racing
 Super Modified Racing Association - SMRA - pavement winged Supermodifieds
 Super Short Track Racing Series - SST - pavement Modifieds & Super Stocks
Super Sportsmen - Sportsmen Racing
 Super Trucks - pavement Truck racing in Quebec
SuperPro Series - pavement Super Late Models
SUPR - Southern United Professional Racing - dirt track Late Models

 T-3 All Star Series - dirt track 358 Modifieds
Tampa Bay Area Racing Association - TBARA - paved 360ci winged Sprint Cars
TBARA - Tampa Bay Area Racing Association - paved 360ci winged Sprint Cars
Team United Sanctioning Association - TUSA - scale Oval track racing
Tennessee Thunder DirtCar Series - dirt Late Models
Texas Dwarf Car Association - TDCA - Dwarf Car racing
Texas Outlaw Dirt Series - dirt track Late Models
Texas Shootout Motorcycle Drag Racing Series - Motorcycle Drag Racing
 Three State Flyers - dirt track Late Models
Thrill Show Productions  - Figure 8s & Demos in Ontario
 Thunder On The Hill Racing Series  - Special events
Top Gun Sprint Car Series - dirt Sprint Cars
Top Tracks Challenge Series - dirt Late Models
Topless Outlaw Racing Association - TORA - dirt Late Models
TORA - Topless Outlaw Racing Association - dirt Late Models
Toyota Atlantic Championship - see: ChampCar Atlantic Championship
Trans-Am Series -  Historic Road Racing
Tri Area Racing Association - Bump-N-Run events on Montana
Tri-State Challenge - see: North State Challenge
True Value Modified Series - TVMS - paved Modified racing in New England

 UARA - United American Racing Association - paved Late Model
UDRA - United Drag Racers Association - Drag Racing
ULMA - United Late Model Association - dirt Late Models
ULMS - United Late Model Series - dirt Late Models
Ultimate Short Track Auto Racing - USTAR - Late Model
Ultra Wheel Super Truck Series - Truck Racing
UMARA - United Midget Auto Racing Association - paved Midgets
UMP - United Midwestern Promoters - dirt track Late Models, Modifieds & Street Stocks
UMRA - United Midget Racing Association - dirt TQ Midgets
UMSA - United Midget Sprint Association - dirt Mini-Midgets
Unified Force Race Championship - UFo - dirt Late Models
Unique Motor Sports - Figure 8s and Scrambles
United American Racing Association - UARA - pavement Late Models
United Dirt Late Model Challenge Series - USLMCS - dirt Late Racing
United Dirt Track Racing Association - UDTRA - dirt Late Models
United Drag Racers Association - UDRA - Drag Racing
United E-Mod Series - ULMS - dirt Modifieds
United Late Model Association - ULMA - dirt track Late Models
United Late Model Series - ULMS - dirt Late Models
United Midget Auto Racing Association - UMARA - paved Midgets
United Midget Racing Association - UMRA - dirt TQ Midgets
United Midwestern Promoters - UMP - dirt Late Models & Modifieds
United Mini-Sprint Association - UMSA - dirt Mini-Sprints
United Racing Company - URC - dirt 360ci winged Sprint Cars
United Rebel Sprint Series - URSS - dirt 305ci Sprint Cars
United Speed Alliance Racing - USAR - pavement Late Models
United Sprint Car Association - USCA - dirt 360ci non-winged Sprint Cars
United Sprint Car Series - USCS - dirt 360ci winged Sprint Cars
United SprintCar Alliance - USA Sprints - Sprint Cars
United States Auto Club - USAC - various open wheel racing
United States F2000 Championship - Road Racing
United States Formula Three - Road Racing
United States Modified Touring Series - USMTS - dirt Modifieds
United States Motorcross - AMA - Motocross
United States Outlaw Mini-Sprint Association - USOMS - dirt Mini-Sprints
United States Racing Association - USRA - Oval Track Racing
United States Racing Association - USRA - paved Late Model (Texas)
 United States Super Trucks - USST - Trucks
United States Superbike - AMA - Motorcycles
United States Touring Car Championship - USTCC - Road Racing
 United Stockcar Racers Association - USRA - Late Models
URC - United Racing Company - dirt 360ci winged Sprint Cars
 USA Demolition Derby & Figure 8 - Figure 8s & Demo Derbies in Michigan
USA Modified Series - paved Modifieds
 USAC - United States Auto Club - various Open Wheel racing
 USARacing - pavement Late Models
USCS - O'Reilly United Sprint Car Series  - dirt 360ci winged Sprint Cars
USHRA - United States Hot Rod Association - Monster Trucks
USMTS - United States Modified Touring Series - dirt Modifieds

 VARA - Vintage Auto Racing Association - Road Racing
VARC - VARC - Vintage Oval Racing
V8 Stock Car Road Racing Series - V8SCRRS - Road Racing
Vintage American Race Cars - VARC - Vintage Racing
Vintage Auto Racing Association - VARA - Road Racing
Vintage American Race Cars - VARC - Vintage Oval Racing
Virginia Old Timers Racing Club - VOTRC - Vintage Oval Racing
Virginia Sprint Series - VSS - dirt 305ci winged Sprint Cars
VSS - Virginia Sprint Series -  dirt 305ci winged Sprint Cars  

 Warriors of Dirt - WOD - dirt Late Models
Washington Association of Demolition Drivers - WADD - Demolition Derbies
Washington Econo Sprints - WESCO - paved Sprint Cars
 Washington Midget Racing Association - WMRA - Midgets
 WDRA - Western Dirt Racing Association - dirt Late Models
 WDRL - World Dirt Racing League - dirt Late Models
WERA - Western Eastern Racing Association - Motorcycle Road Racing
WestCar Late Model Series - pavement Late Models
WESCO - Washington Econo Sprints - pavement Sprint Cars
West Coast Auto Racing - WCAR - Road Racing
West Coast Flat Track Series - WCFTS - Motorcycle racing
 West Coast Pro Truck - Truck Racing
West Coast Vintage Racers - WCVR - Vintage Racing
 West Texas Winged Midget Association - WTWMA - dirt Midgets
Western AllStars Super Dirt Late Model Series - dirt Late Models
 Western Dirt Racing Association - WDRA - dirt Late Models
Western Eastern Roadracers Association - WERA - Motorcycle Road Racing
Western Idaho Racing Association - WIRA - Idaho racing
Western Racing Association - WRA - Vintage Racing
Western Xtreme DirtCar Series - dirt Late Models
WILROC Sprint Car Association - pavement winged Sprint Cars
Winged Outlaw Warriors - WoW - dirt track 360ci winged Sprint Cars
 Winged Three Quarter Midget Association - WTQMA - TQ Midgets
Wingless Sprint Car Series - WSCS - wingless dirt Sprint Cars
Wisconsin Challenge Series - WCS - pavement Late Models
Wisconsin Dirt Late Model Association - W.D.L.M.A. - dirt Late Models
WISSOTA Promoters Association - WISSOTA - various oval division
 WKA - World Karting Association - Karts
WMRA - Washington Midget Racing Association - pavement Midgets
 Wolverine Outlaw Midget Series - WOMS - Midgets
WoO Late Models - World of Outlaws - dirt Late Models
 WoO Sprint Cars - World of Outlaws - dirt 410ci winged Sprint Cars
 World Challenge - Road Racing
 World Dirt Racing League - WDRL - dirt Late Models
World Karting Association - WKA - Karts
World of Outlaws - WoO - dirt Late Models
 World of Outlaws - WoO - dirt 410ci winged Sprint Cars
 World Series of Off-Road Racing - WSORR - off-road trucks and buggies
 WoW - Winged Outlaw Warriors - dirt 360ci winged Sprint Cars
 WOMS - Wolverine Outlaw Midget Series - pavement winged Midgets
WRA - Western Racing Association - Vintage Racing
WSoA - Winged Sprints on Asphalt - pavement Sprint Cars
WSSRL - Western States Supermodifed Racing League - pavement Supermodified
Wyoming Dwarf Cars - Dwarf Cars

 Xtreme Sprints - dirt winged Sprint Cars