What automobile manufacturer manufactures the Chevrolet Titan and sells pickup and commercial trucks, buses, vans, military vehicles, and sport utility vehicles?
Chevrolet Titan: The Chevrolet Titan and GMC Astro are heavy-duty (Class 8) cabover trucks that were manufactured by the GMC Truck and Coach Division of General Motors. GMC (automobile): GMC (General Motors Truck Company), formally the GMC Division of General Motors LLC, is a division of the American automobile manufacturer General Motors (GM) that primarily focuses on trucks and utility vehicles. GMC (automobile):  GMC sells pickup and commercial trucks, buses, vans, military vehicles, and sport utility vehicles marketed worldwide by General Motors.
GMC