Chevrolet, Dodge, and Ford will produce engines for the 2013 Season, the GRC has requested that all teams file for their requested supplier:

Silver Green Racing: Dodge
Mertz Racing Technologies: Chevrolet
Team Jrod: Chevrolet
Lorenzo-Smith Motorsports: Ford
Lotus Technologies: Ford
Bi-Winning Motorsports: Ford
MONSTER Energy Racing: Chevrolet
Legion Argentina: Dodge
Opp Team Deutschland: Dodge
Toro Rojo Carreras: Ford
Blake Camphausen Motorsports: Chevrolet

(I am simply guessing as to what you want, if you want to be changed let me know)