C3M self-performs the construction, rehabilitation, and maintenance of electrical systems in partnership with municipalities and transportation agencies across the country to bring their connectivity, economic development, public works and transportation visions to life.

Rail & Mass Transit

As a full-service transportation systems contractor, our expertise includes construction, upgrading, rehabilitation and maintenance of electrical, traction power, overhead catenary, communications and signaling systems for heavy rail, light rail, streetcar, freight rail, automated guideway and bus transit systems.



Aviation Construction

C3M’s experience in the aviation market keeps airports running at maximum efficiency.  Our work and team’s experience includes the installation of new baggage handling systems, construction of fueling faclities, and upgrading electrical and communicatons systems.



C3M Monumental Construction

Monumental projects require an attention to detail and dedication to craftsmanship unlike any others in the construction industry. C3M’s personnel have completed work on some of the most culturally significant projects in our Nation’s Capital, including Smithsonian Institution’s National Museum of the American Indian - Cultural Resource Center and Mall Museum, U.S. Botanic Garden Conservatory,  Jefferson Memorial Seawall Repair, U.S. Holocaust Museum, National Marine Corps Museum, and U.S. Air Force Memorial.


Water, Power & Utilities

C3M water, Power & Utilities Construction

C3M is an experienced builder of complex electrical systems required to move and treat our nation’s water and generate and distribute power. Our expertise features the construction and rehabilitation of water, wastewater, power, and other utility systems, including chiller plants, pumping stations, fan shafts, tunnel ventilation systems, combined heat and power plants, and similar work. Our engineers have completed notable water projects including the construction of the James J. Corbalis Jr. Water Treatment Plant in Fairfax County, VA and multiple renovations contracts for Alexandria Renew Enterprises in Alexandria, VA.



C3M self-performs the construction, rehabilitation, and maintenance of complex electrical and special systems for roads, highways, and bridges. Our core strengths encompass electrical, communications, security, street lighting, intelligent transportation (ITS), and traffic signal systems. C3M’s depth of experience includes work for agencies such as the Virginia Department of Transportation, the Maryland State Highway Administration and the District Department of Transportation in Washington, DC.


“C3M executed its scope of work with high quality and workmanship, and your performance on the jobsite allowed our team to meet all of the project’s challenging contract milestones. Your willingness to quickly respond to all questions and concerns in the field and the office including working cooperatively to solve problems when they arose, implement changes when required, and your active participation in the planning and performance of the project’s testing and commissioning and Safety and Security Certification processes has demonstrated your commitment to your work as well extended your excellent reputation for customer service.”

— Jason Shorten
Project Executive, MPD
Cincinnati Streetcar