Authorized Distributor of 
Products
OSG is a business-to-business distributor of Cardinal Insulated Glass and Tempered Glass. We also stock Flat Glass, Laminated Glass, Mirror, and Glazing Supplies. Will call is available at our Joliet Facility, or take advantage of our full-service delivery option.
Your Exclusive B2B Distributor of 
One Source Glass, Inc. is proud to be the Only B2B distributor of 
in Illinois. We are not a window manufacturer trying to sell you glass to help our purchasing power. All we do is provide glass and glazing supplies to businesses. And Storm Windows Too!
INSULATED GLASS
Featuring Annealed and Tempered Insulated Glass for residential and commercial applications. The most beautiful & reliable IGU, period!
TEMPERED GLASS
We have the fastest turnaround on quality tempered glass. OSG is ranked #1 in the industry in Illinois for service and reliability!
MUNTINS BARS GALORE!
We offer over 200 muntin bar color and profile combinations. Whether you ‘re looking for Flat or Contour or SDL, we have it all right here, right now.
Located in Joliet, IL.
Conveniently Located at I-55 and Jefferson Street in Joliet… OSG is a family owned and operated business. Our staff has the knowledge, experience, and drive to help your business excel. We are ready, willing, and able to make the necessary adjustments needed to meet the ever-changing demands of a very diverse Fenestration Industry. With and OSG at your service, you will not be disppointed. We look forward to partnering with you!
Residential Storm Windows
Available Here Now!
OSG is excited to bring you the most durable and best looking storm window on the market today! Click here to find out more or call us anytime!
OSG Truck Fleet
Always in stock… flat glass, laminated glass, mirror and supplies. See more stocked items on our Products Page.
Let’s Take Care of Your Glass Needs
Here at OSG you will find professional, knowledgeable, friendly people who will do everything we can to try and find exactly what you are looking for, even if we do not offer it.
Contact us today and let’s get started.
One Source Glass is pleased to announce....
…the addition of Cardinal’s LoE452+ to our product offering! This new Low Emissivity Coating is the wave of the future! It is available to all One Source Glass customers now! Click here to find out more about LoE452+.