Hennessey Performance

Highly Engaged Employees

Hennessey Performance Engineering is an American automotive tuning company and hypercar manufacturer headquartered in Sealy, Texas, operating from a one hundred forty-three-acre campus located on Interstate 10 approximately forty-five minutes west of Houston. Founded in 1991 by John Hennessey, the company has re-engineered more than eighteen thousa... nd vehicles for performance enthusiasts worldwide and operates three distinct business divisions: Hennessey Performance Engineering, which specializes in modifying sports cars, muscle cars, trucks, and SUVs; Hennessey Special Vehicles, which designs and manufactures the Venom F5 hypercar; and Tuner School, the world's only trade school dedicated to training automotive modification technicians through theoretical and practical courses. The company modifies vehicles from major brands including Chevrolet, Dodge, Cadillac, Ford, GMC, Jeep, Lincoln, and Ram, offering dyno-proven, fully track-tested, street-legal, and warrantied performance upgrades. Hennessey's flagship hypercar, the Venom F5, features a proprietary twin-turbocharged six-point-six-liter V8 engine producing one thousand eight hundred seventeen horsepower and is capable of speeds exceeding three hundred miles per hour. The company's facility includes a state-of-the-art design studio, dedicated research and development center, Lonestar Motorsports Park with a quarter-mile dragstrip and one-point-four-mile test track, multiple chassis dynamometers, thirty service bays, and capacity to simultaneously work on approximately fifty vehicles. Hennessey employs over one hundred twenty-five team members and has established authorized retail partnerships including Hennessey Miami through Warren Henry Auto Group. Notable clients include Jay Leno, Michael Jordan, Steven Tyler, and Josef Newgarden. The company delivered over five hundred sixty performance vehicles in 2024 and projects production exceeding one thousand three hundred units in 2026, representing a compounded annual growth rate of forty percent over recent ...Read More