Modern Builders Supply, Inc., also known as MBS, was founded in 1944. We have been the leading distributor of building materials in the Midwest for a period that spans over 75 years.

Our decades in business has afforded us the opportunity to be creative, to become informed, and to respond to the ever changing, ongoing, always exciting needs of our economic society.

Today, MBS has branches in Ohio, Indiana, Michigan, Pennsylvania, and West Virginia. In all, there are 26 distribution centers across 5 states making MBS the premier distributor in the Midwest.

Polaris Windows & Doors, a division of Modern Builders Supply, Inc., has been providing high quality products to the new construction and remodeling industry for over 75 years. We stay on top of industry innovations and offer products at a competitive price with consistent delivery.

Today Polaris Windows & Doors distributes its products in 38 states. Polaris Windows & Doors is recognized throughout the industry as a dynamic leader in product innovation and design. We are often chosen by leading vendors in the industry to partner on the development and prototyping of new industry innovations. We currently operate within two plants, which total nearly 400,000 square feet of manufacturing space in the Youngstown, OH area. Our products are thoroughly tested in-house within our own research and development facility as well as going through rigid testing from outside independent testing laboratories.

Through our network of distribution branches and dealers, our customers have found our products to be second to none in quality and performance. Our objective is to provide a product with maximum thermal efficiency, safety, security, and beauty. Choose any Polaris product and you’ve got the ultimate in design and performance.

In 2014, Modern Builders Supply began a partnership with StyleCrest, a premiere distributor and manufacturer of building products,to manufacture the Polaris brand vinyl siding exclusively for MBS. An industry leader for over 40 years, Style Crest continues to bring innovative products, service and programs to market. Style Crest has built their reputation by offering incomparable products, reliable service, and a state of the art manufacturing facility. Innovative quality controls and automation assures consistent quality measure and constant process improvements. Together, MBS and Style Crest offer cutting-edge quality products and superior service.