• General Contracting

    BSI has successfully bid on numerous private, public and governmental projects including the U. S. Navy, School Districts, hospitals, U.S. HUD, the local Housing Authority, Park Districts, electric and gas utilities companies.

  • "Supply & Erect" Sub-contract Service

    BSI will engineer, supply and erect complete steel or pre-cast concrete buildings designed to meet any local code anywhere in the USA and overseas. We have performed such services for large corporations, General Contractors and Developers. In addition, we can supply replacement parts for pre-engineered buildings.

  • Architectural and Engineering Design

    BSI's architect and engineer can help you develop your ideas into plans quickly and efficiently thanks to their past experience.

  • Design-Build

    BSI adopted Design-Build over 20 years ago and has proven this method to be the best for delivering construction services on time and within budget thereby assuring Customer's satisfaction. Over 80% of BSI's business comes from repeat Customers.

  • Work Site

    BSI's staff of project managers and superintendents supported by our office personnel are capable of handling multi-million Dollar projects.


Building Systems, Inc., specializes in providing services to not only new construction, but to building additions, remodel, repairs, new roofs installs and more.

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Design Build Process

In today's construction market, the Design/Build method of construction is recognized as the best and most efficient way for an Owner to build. 

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Projects representing some of the different end uses that BSI can design and build thanks to our long and diverse experience.

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Design-Build Commercial & Industrial Builder

Building Systems, Inc., is a general contracting company with headquarters in Illinois. The company specializes in design-build commercial and industrial projects for Customers located primarily in Northern Illinois including the Greater Chicago area, and Southern Wisconsin. 

BSI was incorporated on January 16, 1967 and it has operated under the same name and family ownership since that day. BSI has successfully built a reputation for quality work on-time and within budget. 

To better service our Customers' BSI maintained membership in the Rockford Chamber of Commerce. We are prepared to put our experience to work for you to develop your project within your budget and schedule. 

Since its start, BSI has been a Butler Builder. In 1972 BSI was appointed as a Career Builder, the highest level of affiliation with Butler Manufacturing, to recognize its excellent management practices and construction capabilities.

Call us today!  (815) 633-5472