CWC Textron makes the cam cores.
https://www.kautex.com/en/mobility/cwc-textron-castings
CMC (Camshaft Machine Company) grinds camshafts.
Two different companies.
BTW CMC is one of at least ten camshaft grinders in the US 2024.
https://cylinderheadmfg.com/camshaft-manufacturers-usa/