📍 8200 Seven Locks Rd, Bethesda, MD, 20817
📞 240-669-2443
Tri State Stone Co. has been family owned and operated since 1926. The quarries flagship product is Carderock Stone. This beautiful building stone is a mica-schist quartzite, with horizontal and vertical cleavage making it easy to work into numerous installation styles.
📍 5110 Ridgefield Rd, Bethesda, MD, 20816
📞 301-654-3185
📍 2356 40th St Nw #206, Washington, DC, 20007
📞 202-246-7657
📍 8201 River Quarry Pl, Bethesda, MD, 20817
📞 301-365-2083
📍 8200 Seven Locks Rd, Bethesda, MD, 20817
📞 301-365-2100
Updated Oct 2026
📍 8200 Seven Locks Rd, Bethesda, MD, 20814
📞 301-365-2100
🌐 carderock.com
Tri-State Stone & Building Supply, Inc. is committed to providing you with high quality natural building stone. We are dealers of a wide range of natural stone products.
📍 Serving Your Area, Bethesda, MD, 20814
📞 301-365-2037
Updated Oct 2026
📍 8200 Seven Locks Rd, Bethesda, MD, 20814
📞 301-365-2100
🌐 carderock.com
Ben Porto & Son LTD is a natural stone supplier located in Bethesda, Maryland. The company offers hauling, landscaping, site preparation, and house construction services. Customers can find a variety of products including bricks, fireplaces, patios, pavers, and natural stone. With recent online activity in 2026, it appears to be an active business in the area.
📍 7200 Wisconsin Ave Ste 1001, Bethesda, MD, 20814
📞 301-656-6268
📍 1320 Old Chain Bridge Rd, Mc Lean, VA, 22101
📞 703-847-1350
🌐 annelstone.com