* Ford: A major player, known for a wide range of vehicles.
* Chevrolet (Chevy): Another massive brand, part of General Motors (GM).
* GMC: Also part of GM, often focusing on trucks and SUVs.
* Buick: A GM brand, often associated with more upscale vehicles.
* Cadillac: GM's luxury brand.
* Dodge: Part of Stellantis (a multinational company formed by the merger of Fiat Chrysler Automobiles and PSA Group).
* Ram: Also part of Stellantis, specializing in trucks.
* Chrysler: Part of Stellantis, known for a mix of vehicles.
* Jeep: Stellantis brand, famous for its SUVs.
It's important to note that even these brands may have some models manufactured outside the US, and use parts sourced internationally. The design and engineering might also be done collaboratively across different locations.