It’s known for deep tech/hard tech companies, especially in space, aviation, and energy. Many are in El Segundo or were founded by SpaceX/Tesla alumni.

https://www.addtheegg.com/p/2024-la-hard-tech-50

https://www.vanityfair.com/news/story/el-segundo-california-...

https://bowoftheseus.substack.com/p/south-bay-la-is-ground-z...