Founded in 1975, MSI Surfaces carries an extensive offering of porcelain, ceramic, glass, and quartz products. The company maintains an inventory of more than 125 million square feet. Many homeowners look for the brands and quality they can rely on and only buy from companies they trust. Over the years, our product selection, new product development, support, and service has made us one of the most highly regarded companies in our industry. MSI Surfaces is built on a foundation of innovation, inclusivity, diversity, and a commitment to environmentally friendly, sustainable practices. These values boil down into a company and product offering that your customers can count on.

9 Brothers Building Supply is your source for MSI Surfaces natural stone  and porcelain hardscaping and wall panel products! Stop in today at one of our locations in Brentwood or Riverhead to see the full selection firsthand.