Company Owned and Operated Trucks
Duncan Bros. Inc Steel fabricators and erectors
Duncan Bros., Inc. is a family owned business founded in 1960 by
Cecil Duncan and is currently directed by his son, Michael (Scotty)
The Duncan Companies have been in Business for over 40 years and
we pride ourselves in customer satisfaction. For us, Service and
Quality are the foundations for all of our work, stressing Honesty,
Integrity and Excellence.
The Duncan Companies are comprised of talented individuals with
countless years of Field and Shop tested Experience. You can be
assured that when we are on your project that you have the very
best in professional excellence.
Our 35,000 square foot, AISC and L. A. City Certified, fabrication
facility specializes in Material Handling and Storage Systems,
Structural Steel for Commercial and Industrial applications, Glass
Furnace manufacturing, the Cement Industry, Sand and Gravel and
Mining Industries, Steel Mills, Refineries and countless other
With our In-house detailing and engineering staff, Duncan Bros.
fabrication division offers a complete package for our client’s
projects. Utilizing the latest methods available as well as highly
experienced personnel to provide the best value and product to our
We look forward to personally reviewing a project with your staff, at
their convenience, and offering our company’s experienced services
|DUNCAN BROS. INC.
21516 Main St
Grand Terrace, CA