SCCA Pro Racing Ltd. a wholly owned subsidiary of Sports Car Club of America, Inc., SCCA Pro Racing, Ltd. is a leading sanctioning body for professional motorsports events in the United States. A member of the Automobile Competition Committee of the United States (ACCUS), SCCA Pro Racing sanctions and provides a variety of operational services for F4 U.S. Formula E in the United States and Trans Am. 

The Fédération Internationale de l'Automobile (FIA, English: International Automobile Federation) is an association established as the International Association of Recognized Automobile Clubs to represent the interests of motoring organisations and motor car users. The FIA is mostly known as the governing body for many auto racing events. The FIA also promotes road safety around the world.

Website: http://www.fia.com


Honda Performance Development, Inc., (HPD) is Honda's racing company in North America and is a wholly owned subsidiary of American Honda Motor Co., Inc. Founded in 1993, HPD is the technical operations center for Honda's high-performance racing programs. HPD specializes in the design and development of race engines, chassis and performance parts, and technical/race support. We are proud to also offer parts and race support to Honda and Acura grassroots motorsports racers, and are expanding our support of racing series and programs that make Honda racing products available to all racing styles, from karting and Quarter Midgets to the highest levels of pro racing.

Website: http://hpd.honda.com

Onroak Automotive/Ligier Crawford, is a race car manufacturer established in France, North Carolina and Malaysia. Since 2013, Onroak Automotive designs and produces Ligier sports cars such as the Ligier JS P2, Ligier JS P3 or more recently the Ligier JS P217 and Ligier JS P4. Daytona 24h winner, Le Mans 24h winner and World Endurance championship winner, Onroak Automotive in North America is based in Denver, North Carolina. Supporting racing series and teams in DPi, LM P2, LM P3 and F4 in the United States, Onroak Automotive North America is expanding its production capacity in North Carolina to build the Ligier Crawford JS F3 and to reach the highest level of performance, safety and reliability for the FIA F3 Americas series.

Website: http://www.onroak.com/en/

Pirelli Tire North America designs, develops, manufactures and markets tires for passenger vehicles in both the original equipment and replacement markets, as well as for motorcycles and motorsports. Pirelli is a leading producer of premium tires due to its commitment to R&D. Its Rome, Georgia manufacturing facility features Pirelli's Modular Integrated Robotized System (MIRS), which employs state-of-the-art technology to manufacture tires for both export and domestic markets. Pirelli's motorsport excellence is based on a tradition of innovation and reliability in competition and is the number one tire choice for the world's most exciting racing series. Pirelli Tire North America has been selected as the Official Tire Supplier for the Pirelli World Challenge Championships and will supply all cars in the GT, GTS, Touring Car, Touring Car A and Touring Car B-Spec categories with the P Zero Racing Slick and P Zero Racing Rain tires.

Website: http://www.us.pirelli.com

JRi Shocks has six-key important hydraulic component disciplines on which it concentrates, reducing breakaway seal friction or stiction, reducing internal gas spring rate and rod force, reducing friction in running and side loaded conditions, increasing dynamic response in higher frequencies. reducing hysteresis and increasing adjustability range. Jri is an industry leader and is wholly committed to leading the way in shock absorber design and technology for racing, commercial and bio-mechanical applications. 

Website: http://www.jrishocks.com/
Speedcom Communications offers a wide variety of high quality products designed specifically for racing.  This includes Complete Car Systems, Radios, Headsets, Car Wiring, Ear Plugs, Antennas, Helmet Wiring, Scanners and applicable Accessories. Speedcom Communications is dedicated to quality, dependability and customer support.  
Whelen designs and manufactures reliable and powerful warning lights, white illumination lighting, sirens, controllers, and high-powered warning systems for Automotive, Aviation, and Mass Notification industries worldwide.Every part of every Whelen product is proudly designed and manufactured in America and is tested on-site to meet the toughest industry certifications. All Whelen products are proven in the harshest environments, to make sure everyone goes home at night. On the road, in the air, and around the world, Whelen is trusted to be seen, trusted to be heard, trusted to perform.
Website: http://www.whelen.com