A comprehensive list of Buffalo Grove, IL based companies, stores, manufacturers and suppliers offering windows and doors for sale, installation, replacement and repair services. Read unbiased reviews of local contractors. 
Gary Gillis is the owner of Custom Built Windows, Inc which his father established in 1940. Custom Built Windows, Inc. is a fully insured, A+ accredited member of the Better Business Bureau! Custom Built sells wood windows, replacement windows, vinyl siding, soffit & fascia, gutters, patio doors, exterior doors, and shutters.
Carey Smolensky — I have used Custom Built Windows, Inc. three times in the past 20 years. Twice Gary and his team replaced windows and doors