Listed below are the manufacturing companies (I–W) that participated in the event in 2011. Read a recap of the event in last week's issue of SEMA eNews.
- ICON PISTONS, United Engine & Machine
- JE Pistons/Innovate Motorsports
- JET Performance Products
- Jiffy-tite Company Inc.
- Joe Gibbs Driven
- K&N Engineering
- LOKAR INC.
- MagnaFlow Exhaust Products
- Mast Motorsports
- MasterCraft Safety
- MAZDASPEED Motorsports
- Meziere Enterprises Inc.
- Mickey Thompson Tires
- MSD Ignition
- Nitrous Supply
- OPTIMA Batteries
- Painless Performance
- Pertronix Inc.
- Powermaster Performance
- Precision Turbo and Engine
- Pro Comp/Smittybilt/G2 Axle & Gear
- ProCharger
- Professional Products
- QA1 Motorsports
- Quick Fuel Technology
- Rancho/DynoMax/Thrush – Tenneco Inc.
- ROUSH Performance
- Royal Purple Inc.
- Skyjacker Suspensions
- SLP Performance Parts
- Snow Performance
- SPAL USA
- Specialty Auto Parts Inc.
- Spectre Performance
- SpeedDirect
- SPX
- Stainless Steel Brakes Corp.
- Superchips Inc.
- TCI
- Total Seal Inc.
- Toyo Tire U.S.A. Corp.
- TREMEC
- Trick Flow Specialties
- Turbonetics
- Turbosmart USA
- Vortech/Paxton
- Weld Racing LLC
- WHITELINE
- Wilwood Engineering
- World Products