About Genuine Materials Inc.

At Genuine Materials Inc., we don’t just supply surfaces, we provide the foundation for your design dreams. Our curated selection includes elegant Italian porcelain, U.S.-made large-format porcelain slabs, and Sintera , our cutting-edge ZERO silica surface, offering a wide array of colors, shades, and patterns to complement any style. Each material is crafted to deliver unmatched durability, stain resistance, and low-maintenance performance.

Our commitment goes beyond premium products. We’re dedicated to providing an exceptional customer service experience, delivering personalized support, competitive pricing, and the highest standards in material quality. Whether you're working on a residential remodel or a large-scale commercial project, Genuine Materials Inc. is your trusted partner in bringing your design vision to life.

At Genuine Materials Inc. We provide exceptional service and dependable solutions to professionals in the construction and remodeling industries. What began in a modest warehouse in Pomona, California, has grown into a thriving 35,000 sq. ft. facility in Ontario.

Our growth is a reflection of the trust we’ve earned from our clients and the passion we bring to everything we do. At every step, we've stayed true to our values, prioritizing reliability, relationships, and a commitment to continuous improvement.

From day one, we’ve believed in doing things the right way: with integrity, precision, and a genuine dedication to helping our clients succeed.

Our Commitment to Quality

At Genuine Materials Inc., we partner with top-tier porcelain and engineered stone manufacturers and fabrication plants overseas. Our goal is simple: to work exclusively with trusted producers who supply only grade A materials.

Our dedicated quality control team plays a hands-on role throughout the entire process. By working directly with our suppliers on-site, they carefully monitor each stage of production, ensuring our standards are met with precision and consistency. This close collaboration allows us to deliver materials that not only meet, but exceed, our customers’ expectations, every time, and right on schedule.

At Genuine Materials Inc., we are committed to serving trade professionals with premium surface solutions.

As a wholesale distributor, we proudly partner with contractors, kitchen & bath designers, and retailers across Southern California to provide reliable products and dependable service.

Product Sourcing

We specialize in distribution of luxury man-made surfaces, including:

Sintera our ZERO-Silica Collection; Innovative, safer materials for modern design

Porcelain: Large-format slabs, Ready to install panels, and ultra-thin options
Engineered Stone: Durable, high-performance surfaces

ThinMaxx™ Backing System

GMI is proud to offer ThinMaxx, our ultra-thin porcelain backing system. ThinMaxx combines sleek design flexibility with reinforced strength, making it ideal for modern applications such as:

Wall cladding & backsplashes
Large-scale commercial installations

How We Support You

Showroom Access: Bring your clients to our Ontario, CA facility to view slabs in a professional setting. As a wholesale distributor, we never release pricing to clients, ensuring your business remains fully protected.
Material Guidance: Our team provides expert assistance in selecting the right slabs for each project, including design considerations, performance needs, and availability.
Reliable Logistics: We offer pre-matching and book matching services, quick turnaround times, delivery services are also available to keep your projects on schedule.
Dedicated customer support both in-office and through your assigned account manager.