Located in Rockville, Maryland, Critical Systems is a manufacturers' representative firm serving the Washington, Baltimore, and Virginia markets. 

Our goal is to support customer needs and green initiatives with high quality products and forward-thinking systems solutions.  We offer a wide range of products and services, with an emphasis on meeting the evolving challenges faced by building owners and engineers, including energy efficiency, reliability, ease of installation and maintenance, acoustics, occupant safety, infrastructure security, and indoor air quality. 

Special focus is placed on providing holistic system solutions that facilitate LEED construction, improve building efficiency, support critical infrastructure, and reduce lifecycle cost.

Our sales force consists exclusively of engineering and science majors, with over 50 years of experience in the industry.   We have the expertise and resources to assist building design engineers, owners, and architects, and offer unique mechanical systems solutions to today's challenges.