Featured Projects.
Proven Results.
With a diverse range of successful projects, we specialize in pipe welding, steel buildings, pipeline and oil field construction, and biogas facilities. Our work is a testament to our commitment to quality, safety, and innovation. Browse through our portfolio to see how we bring each project to life with precision and dedication.
Bio Gas RNG Digester
Iron Built Construction delivered a turnkey piping package for REV/SJI’s biogas facility, welding and installing a precision piping system to support all major gas processing equipment.
Steel Building Erection
Iron Built Construction partnered with Sentry USA on another successful project, completing a full-scope pre-engineered metal building for Glacial Lakes Energy in Mina, South Dakota.
Underground HDPE Piping
Iron Built Construction provided complete underground HDPE fusing and installation services for SJI’s RNG facility in Wendell, Minnesota. Our scope included excavation, fabrication, and installation of a comprehensive underground piping system tying together multiple digester tanks.



