Here's a department I just learned about while perusing the 21st Century Cures Act:
Biomedical Advanced Research and Development Authority
https://www.phe.gov/about/barda/Pages/default.aspx
They are under HHS and probably deserve some research.
I found them mentioned in SEC. 3093, but there may be other mentions in this legislation.
H.R.34 - 21st Century Cures Act, signed into law December 13, 2016.
https://www.congress.gov/bill/114th-congress/house-bill/34