OSG Logo

Authorized Distributor of Products

OSG is a business-to-business distributor of Cardinal insulated glass, flat glass, laminated glass, mirror, tempered glass, 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  products in Illinois. We are not a window manufacturer. We sell glass and glazing supplies to businesses.


Featuring  . Annealed and Tempered Insulated Glass for residential and commercial applications.


We have the fastest turnaround on quality tempered glass. OSG is ranked #1 in the industry in Illinois for service and reliability!


We have over 200 muntin bar colors and profile combinations.  Flat, contour, pencil — we have it all right here, right now.

Located in Joliet

OSG is a family-owned and operated business. We are ready, willing, and able to make the necessary adjustments needed to meet the ever-changing demands of this very diverse Fenestration Industry.

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.