Great lakes Building Systems, Inc. (GLBS) was formed on April 24, 2001 with a philosophy of growing our company by “building long term business relationships with our customers.” This idea immediately became one of our core values.

You can tell a lot about a company by looking at their Customer List.

•Elderwood Facilities

•Saint Gobain


•Ciminelli Development

•Buffalo State College

•Attica Correctional Facility

•Buffalo Municipal Housing Authority

•Clover Construction


•Ingram Micro

•Kalieda Health



•Widewaters Development

•Rochester Municipal Housing Authority

•McGuire Group

•Nazareth College