How many companies does Elon Musk own?

Elon Musk is associated with several companies, either as a founder, co-founder, CEO, or investor. Here are some of the notable companies associated with Elon Musk:

1. Tesla, Inc.: Elon Musk co-founded Tesla, an electric vehicle and clean energy company, in 2003. He currently serves as the CEO of the company.
2. SpaceX: Elon Musk founded SpaceX, also known as Space Exploration Technologies Corp., in 2002. The company focuses on space transportation and aims to make space travel more accessible. Musk is the CEO and lead designer of SpaceX.
3. Neuralink: Elon Musk co-founded Neuralink in 2016. The company aims to develop implantable brain-machine interfaces to enhance human capabilities.
4. The Boring Company: Elon Musk founded The Boring Company in 2016. The company focuses on building underground tunnels for transportation and infrastructure purposes.
5. SolarCity (now part of Tesla): Elon Musk played a significant role in SolarCity, a solar energy services company founded by his cousins. In 2016, Tesla acquired SolarCity, and it now operates as a subsidiary of Tesla.
6. OpenAI: Elon Musk was one of the co-founders of OpenAI, an artificial intelligence research organization. However, he left the board in 2018.

Elon Musk has made investments in various other ventures and startups over the years. For the most up-to-date and comprehensive information, I recommend referring to reliable sources or conducting a search for recent news on Elon Musk’s business ventures.