The following sanctioning bodies are affiliates of the SFI Foundation, Inc. Each organization listed here utilizes SFI Specifications within its rulebook.
| AHRA | American Hot Rod Association | U.S. |
| ASA Racing | Amercian Speed Association | U.S. |
| ASDRA | Australian Speedway Drivers and Riders Association | Australia |
| BBORR | Big Bend Open Road Race | U.S. |
| BMARA | Badger Midget Auto Racing Association | U.S. |
| CARS | Canadian Association of Rallysport | Canada |
| Formula D | Formula Drift Holdings, LLC | U.S. |
| HRKC | Hampton Roads Kart Club | U.S. | ICSCC | International Council of Sports Car Clubs | U.S. & Canada |
| INEX | INEX | U.S., Canada, Europe |
| IPA | Illiana Pullers Association, inc. | U.S. |
| LOLMDS | Lucas Oil Late Model Dirt Series | U.S. |
| LOORRS | Lucas Oil Off Road Racing Series | U.S. |
| MCSCC | Midwest Council of Sports Car Clubs | U.S. |
| MNZ | Motorsport New Zealand | New Zealand |
| MSPA | Michigan Speedway Promoters Association | U.S. |
| NHRDA | National Hot Rod Diesel Association | U.S. |
| ORCI | Oval Racing Council International | U.K. |
| PNP | Pull-N-Power | U.S. |
| PSCA | Pacific Street Car Association | U.S. |
| QMA | Quarter Midgets of America | U.S. |
| RaceLegal.com | RaceLegal.com | U.S. |
| SAE CDS | SAE Collegiate Design Series | Intl. |
| SASF/SBF | Swedish Automotbile Sport Federation | Sweden |
| SWDRA | SouthWest Dirt Racing Association | U.S. |
| WRG | World Racing Group | U.S. |
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