top of page


Genuine Materials Inc., provides great quality quartz material to kitchen & bath showrooms, interior designers, general contractors and stone fabricators throughout Southern California, Inland Empire and San Diego County. We strive on providing you with the best customer service, best quality product, and competitive pricing. We welcome you to visit our 35,000 sq. ft. indoor warehouse located in Ontario, CA where we hold all of our inventory on display.


Please note we are a wholesale dealer, we do not retail.

GMI Warehouse 2021.jpg


We work with over 20 pre-qualified quartz manufacturers and fabrication plants overseas. Making sure we have only the best manufacturers supplying us with grade A material.


Our quality control team is diligently working with all suppliers on-site to ensure the best material and on time delivery to meet our customer's standards and expectations.

bottom of page