9 Brothers Building Supply carries an assortment of quality Brentwood slabs from leading brands like Nicolock, Techo-Bloc, and elegant natural stone slabs from MS International. These slabs come in a large variety of colors and styles that will be sure to match the visions of our customers. Visit one of our locations in Brentwood or Riverhead to see the full selection of slabs in person and let us help bring a dream to life!