Here is a list of incubators:
Y Combinator (United States): Located in Silicon Valley, Y Combinator is renowned for providing funding and mentorship to startups globally.
Techstars (United States): With a global presence, Techstars operates numerous accelerators across the United States, supporting startups with funding and resources.
500 Startups (United States): Based in Silicon Valley, 500 Startups is a venture capital firm and accelerator that invests in early-stage startups worldwide.