Protomet Corporation officials announced Wednesday that the company will expand to Rockwood.
Protomet is a manufacturing, engineering and technology corporation headquartered in Loudon, Tennessee and also has operations in Anderson County.
For months Protomet has been renovating and retrofitting the former Albahealth building on North Gateway Avenue in Rockwood. The company says it is investing $25 million in the expansion which will create 250 new jobs.