- M. C. Dean (Mechanicsburg, PA)
- …headquartered in Tyson's, Virginia, and employs more than 5,800 professionals who engineer and deploy automated, secure, and resilient power and technology systems; ... nominal operating parameters, and how to operate/isolate and start up: MV/LV Distribution Boards, MV/LV Breakers, UPS, Generator, Batteries, STS, ATS, AHU, DX units,… more