1. Harvard University: Founded in September 1636, it is the oldest institution of higher learning in the United States, a member of the Ivy League, and the oldest enterprise organization in North America;

2. Stanford University: The full name is Leland Stanford Junior University. It is a private research university located in Stanford, California, and is recognized as one of the most outstanding universities in the world. Stanford University was founded by Leland Stanford in 189 1, located in Palo Alto, California, near San Francisco.

3. Massachusetts Institute of Technology: It is a comprehensive private university in the United States and has the reputation of "the best university of technology in the world". Massachusetts Institute of Technology is located in Boston, Massachusetts, just across the river from Boston's back bay area. Massachusetts Institute of Technology (MIT) has a very important influence in the United States and the world, and has trained many people who have great influence on the world. It is a pioneer university in the field of high-tech and advanced research in the world, and it is also the seat of the world's scientific and engineering elites.