Ontario Building Supply Co., Inc. has been serving customers for over 30 years. We provide building materials and more.


Durable and attractive decorative surfaces for remodeling or new construction. A vast supply of plastic laminates products and natural wood products to match any color. Our hardware is readily available for repair, replacement or building of cabinets, closets and functional spaces.

We understand that your design expertise is essential to satisfying your discriminating customer. OBS has the unique oxidized copper metal from Chemetal, the warm sheet of Old English Mahogany veneers from Treefrog, or a durable pattern from plastic laminates to complement your design.

Design professional, builder or cabinetmaker, you can find the laminate, metal, veneer and finish products you need to make your dream a reality. Our wide variety of interior surface products brings just the right look and feel, whether exposed or hidden. Decorative products all here for you to order.

Ontario Building Supply Co., Inc. provides building supplies which includes laminates, hardware, natural wood products, decorative surfaces and shelving hardware.