Rockville Steel

& Manufacturing Co.

Rockville Steel & Manufacturing Company has been fabricating high quality structures and custom products for over 40 years. Founded in 1978 by John T. Steffes, Rockville Steel is still family owned and operated.
​Our team is comprised of some of the best welders and fabricators in the business.  Our employees are constantly striving to achieve excellence on every project they work on, and that dedication shows in each and every finished product and job we are involved with.
Over the years, RSM has earned a reputation as being a reliable and quality driven light structural and miscellaneous metals subcontractor in the metropolitan area.

Rockville Steel and Manufacturing Company specializes in custom steel, stainless and aluminum fabrication, and installation. Providing high quality service to contractors in the Washington Metropolitan area since 1978, we welcome the opportunity to provide pricing for your next project.

Our History