There are several manufacturers of switchblade knives known for their quality and reputation. Some of the most famous brands include:

1. Benchmade: Benchmade is an American company that has been producing high-quality knives since 1988. Its switchblade knives are known for their durability, strength, and reliability, making them popular among law enforcement and military personnel.
2. Microtech: Microtech is an American company that has been producing knives since 1994. Its switchblade knives are known for their intricate design, high-quality materials, and innovative mechanisms, making them popular among knife enthusiasts and collectors.
3. Boker: Boker is a German company that has been producing knives for over a century. Its switchblade knives are known for their traditional design, solid construction, and reasonable price, making them popular among everyday users.
4. SOG: SOG is an American company that has been producing knives since 1986. Its switchblade knives are known for their modern design, high-quality materials, and innovative mechanisms, making them popular among knife enthusiasts and collectors.

These brands are considered to be the most famous switchblade knife makers because of their commitment to quality and innovation in the field of knife-making. They are known for their attention to detail, their use of high-quality materials, and their commitment to producing durable and reliable knives that meet the needs of their customers.