Building Systems, Inc.

Building Systems, Inc. Building Systems, Inc., is a general contracting company with headquarters in Illinois. Specializing in design-build commercial & industrial projects for Customers located in Northern Illinois, the Greater Chicago area, & South...

Building Systems, Inc. Building Systems, Inc., is a general contracting company with headquarters in Illinois. Specializing in design-build commercial & industrial projects for Customers located in Northern Illinois, the Greater Chicago area, & Southern Wisconsin. Since 1967, BSI has been a Butler Builder and has operated under the same name & family ownership since that day. BSI has successfully built a reputation for quality work on-time & within budget. BSI maintains membership in the Rockford Chamber of Commerce.