S.T. Cotter is based in Minneapolis, MN and is headed by Nichole Cotter, President and Shawn Cotter Vice President of Operations. S.T. Cotter is a Power Gen and Refinery services provider and industry innovator in maintaining steam and combustion turbines from under 1 MW to over 1100 MW; fossil and nuclear, steam and combustion. Providing Technical Direction, Key Craft labor, top notch tooling with repairs and parts as needed throughout North America.