About Building Supply Group

Based in Waunakee, Wisconsin, BSG has been providing steel and wall panel fabrication for more than 45 years. With fabricators that are true craftsmen, along with experienced in-house structural engineers, our unique combination of services leads to exceptional products for clients throughout the country.

BSG began as a division of  ERDMAN, fabricating steel and wall panels for the company’s design-build projects in the healthcare industry. Today, BSG brings a valuable background in the design-build arena to a wide range of projects, partnering with contractors, builders, and architects to benefit their design and construction needs and deliver superior fabricated products that help keep project schedules moving ahead smoothly.

Midwest Craftsmen Improving the Fabrication Process
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