No need for a list...Biocoat in michigan is the choice. Best quality and service. BTW not affiliated, I just have used them for a long time with great results
Primarily because pyrolytic carbon is deposited on a low strength substrate and has high residual stress due to the coating process. US companies have made implants but they have not been very succesful. It's pretty risky introducing new technology in the US (Liability, regulatory) and the...