

More durable than granite, our non-porous Quartz countertops offer an easier to clean surface with less maintenance!
Genuine Materials Inc. offers an ideal material for custom kitchen countertops and bathroom remodels for either your home or commercial space.
What Sets Us Apart
GMI is a wholesaler of Quartz material. Our Quartz line includes over 40 different colors offered in both Slab & matching Prefab sizes.
We have a great selection to choose from! From Jumbo and Standard size slabs to prefabricated countertops and peninsulas (up to 108"x52") which come with an ultra-seamless 45° miter edge. We have a selection of prefab colors with a
2" miter edge drop down for a more elegant and custom look without the use of slab.
We focus on providing the best customer service experience to our customers along with competitive pricing and top quality material!
Why Choose Us
Kitchen Remodeling
More durable than granite, our non-porous Quartz countertops offer an easier to clean surface with less maintenance!
Genuine Materials Inc. offers an ideal material for custom kitchen countertops and bathroom remodels for either your home or commercial space.
Bathroom Remodels
Transform your kitchen or bath with any of these beautiful designs for an immaculate surface and overall look. Vanities, Spa surrounds and even shower panels!
Constant New Additions
We are always working on bringing in new colors and keeping up with what’s trending. For greater selection in finding the perfect countertop for your project!
Commercial, Hospitality & Multi-Unit Projects
Supplying material for Commercial, Hospitality and Multi-Unit project for clean look with more durability!
Satisfied Customers
Sandy M.

Susan K.
Davyd E.


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Genuine Materials Inc.
Showroom / Warehouse:
5095 E. Airport Drive. Ontario, CA 91761
Tel: (909) 480 - 0707
Fax: (909) 480 - 0747
Business Hours:
Monday - Friday 8:00 am - 4:30 pm
Saturday 8:00 am - 2:00 pm
Sunday - Closed
Appointment Recommended!
Be sure to contact us to
schedule an appointment to visit our new showroom, office or warehouse!
Please advise that children (under the age of 16) are not permitted in our warehouse to ensure their safety.