Building Systems, Inc.

Building Systems, Inc. (BSI) is a construction company based in Rockford, Illinois, United States. BSI specializes in handling multi-million dollar projects, having successfully bid on various private, public, and governmental projects, including work for the U.S. Navy, school districts, hospitals, and local authorities. BSI offers a range of services, including general contracting, "supply & erect" sub-contract services, and architectural and engineering design, with a focus on the design-build method to deliver construction services on time and within budget.