Each year, M.C. Dean ranks nationally among the largest engineering and technology firms. We continue to be recognized across these industry rankings through our great people, delivering great solutions for the world’s most recognized enterprises. See some of our featured 2024 rankings below.

About M.C. Dean

M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most recognizable mission critical facilities, secure environments, complex infrastructure, and global enterprises. The company’s capabilities include electrical, electronic security, telecommunications, life safety, automation and controls, audio visual, and IT systems. M.C. Dean is headquartered in Tysons, Virginia, and employs more than 7,000 professionals who engineer and deploy automated, secure, and resilient power and technology systems; and deliver the management platforms essential for long-term system sustainability.