Elon Musk has a brain implant company, [Neuralink].
I worked at GeneSpan for my college internship back in 2000-2001. Found this old video on Youtube with Dr. Geoff, Dr. Berninger, Tom Thomas, Jen, Art, Stef, Rob, and Jesse in the video.
[Modumetal], located in Seattle, is capable of growing manufacturing materials that are stronger than steel at room temperature.
[Epibone] can grow bones from your own cells.