CMC, Inc. is the fastest growing provider of Mechanical Service in the Washington area for one reason, we have the best Technicians in the business. We have hundreds of years of combined knowledge providing design, installation and service on all types of mechanical systems. From 2800 ton absorbers to fractional tonnage units. From 1500 horsepower boilers to 2.5 kw electric resistance heating elements. From the most sophisticated Computerized control systems to a single stage thermostat. Regardless of the size of the system or its complexity, you can rest assured that you will be provided the highest level of service available.