Testimonials

For more than 80 years, RM Thornton has served some the most prominent commercial, industrial, and institutional organizations in the Washington metropolitan region. As an award-winning mechanical contractor, RM Thornton has earned a reputation for the uncompromising quality of full-service mechanical work that we provide to our clients. We pride ourselves on the customer service, craftsmanship, integrity, and excellence our team of skilled plumbers, steamfitters, sheet metal workers, and HVAC service technicians bring to each project we undertake.

See what these customers have to say about RM Thornton:

• American Veterinary Medical Association
• Cain Contracting
• Catholic University
• Christ Church
• National Institutes of Health Office of the Director
• Recreational Cooking Classes
• Fort Detrick, MD