- M. C. Dean (Vienna, VA)
- Overview **M.C. Dean** is Building Intelligence(R). We design , build, operate, and maintain cyber-physical solutions for the nation's most recognizable mission ... Tysons, Virginia, and employs more than 5,800 professionals who engineer and deploy automated, secure, and resilient power and...MC Dean?** Our people are inspired by the way engineering and innovation enhance customer outcomes, improve lives, and… more