Products, Service, Design
Nothing equals the work ethic of Oklahomans or the products that we turn out. Diamond products embody that pride. Manufactured at our facility in Oklahoma, our windows and doors set the standard for the entire industry. All of our products are designed and tested by us to withstand the harsh elements of Oklahoma's climate. Products shipped in from other states or countries can't make that claim.

All Diamond products are certified by the American Architectural Manufacturers Association for high structural performance.

Our company representatives are the best in the industry. We have the knowledge and resources to handle any size project or order. We are a customer driven company, dedicated to complete satisfaction with every product that we deliver.

Showroom
Many times a catalog does not truly represent a product. That's why all of the products that we manufacture and distribute are on display in our spacious showroom. Touch, inspect and operate any of our doors or windows before you purchase them.

You can view all of our colors and beautiful designs up close and personal and learn firsthand the benefits and features of each. Our showroom is located at 1236 NW 4th Street in Oklahoma City, just west of Western Avenue.
Hours are Monday - Friday, 8am-5pm. No appointment is necessary.

Our Tulsa showroom is located at 10934 East 55th Place.

Hours are Monday - Friday, 7:30am-4:30pm

Product Lines
Public Supply offers a wide variety of windows and doors and other products for every budget. In addition to our high quality Diamond windows and doors, we distribute Silver Line vinyl windows and doors, Windsor and Eagle wood windows and doors, Castlegate metal and fiberglas doors, Western Reserve door inserts, and Builders Accessories block windows.  Please refer to our links section for a complete listing or our distributed items.