Hometown: Plano, Texas
Expertise: Automobile Technology

Hometown: Reedsburg, Wis.
Expertise: CNC Milling

Hometown: Silt, Colo.
Expertise: Cooking

Hometown: Long Grove, Iowa
Expertise: Heavy Vehicle Technology

Hometown: Omega, Ga.
Expertise: Mechatronics

Hometown: Cedar Hill, Mo.
Expertise: Welding