5th Avenue Floors. 519 Culler Ave., Frederick; 301-698-7250; 5thavenuefloors.com.
Architectural Ceramics. Rockville, 301-251-3555; Bethesda, 301-718-8343; Alexandria, 703-299-6200; Falls Church, 703-714-0161; Chantilly, 703-348-7107; architecturalceramics.com.
Atlas Stone Fabricatros. 8274 Lokus Rd., Suite 109, Odenton; 410-672-4111; atlasstonefabricators.com.
Best Tile. 11601 Boiling Brook Pl, Rockville, MD 20852; 301-984-3377; besttile.com.
Carlisle Wide Plank Floors. 3251 Prospect St., NW, Suite 201; 202-339-9799; wideplankflooring.com.
Classic Floor Designs. 2120 L St., NW; 202-872-9860; classicfloordesigns.info.
Cochran’s Lumber & Millwork. 523 Jack Enders Blvd., Berryville, Va.; 540-955-4142; cochranslumber.com.
Color Flooring. 5739 Telegraph Rd., Alexandria; 703-960-0220; colorflooring.com.
Concrete Jungle. 4510-J Metropolitan Ct., Frederick; 301-874-1001; concretejungleonline.com.
Daltile. 14790 Flint Lee Rd., Suite 200, Chantilly; 703-961-8425; daltile.com.
Design Tile. 8455-B Tyco Rd., Vienna; 703-734-8211; design-tile.com.
Fairfax Marble & Granite. 2720 Dorr Ave., Fairfax, 703-204-2222; 4080-F Walney Rd., Chantilly, 703-378-1080; 44810 Old Ox Rd., Sterling, 703-910-3550; fairfaxmarble.com.
The Floor Gallery. 12108 Wilkins Ave., Rockville; 301-770-3366; thefloorgallery.com.
Franco’s Marble Shop. 328 N. Stonestreet Ave., Rockville; 301-424-2322; francosmarbleshop.com.
In Home Stone. 1800 Virginia St., Annapolis, 410-626-2025 (location specializing in marble and granite); 100 Edgewood St., Annapolis, 410-626-2725 (specializing in tile); inhomestone.com.
Luck Stone Center. 1700 S. Sterling Blvd., Sterling, 703-435-1400; 43085 Builders La., Ashburn, 703-674-5660; luckstonecenter.com.
Marble Systems. 2737 Dorr Ave., Fairfax; 703-204-1818; marblesystems.com.
Marblex. 2926 Prosperity Ave., Fairfax; 703-698-5595; marblexinc.com.
Marva Marble and Granite. 12225 Distribution Way, Beltsville; 301-595-1882; marvamarble.com.
Mosaic Tile. North Bethesda, 301-881-2520; Merrifield, 703-280-4300; Alexandria, 703-310-6852; Chantilly, 703-631-4848; Lorton, 703-495-8453; mosaictileco.com.
Porcelanosa. 1000 Connecticut Ave., NW, 202-204-1655; 11500 Rockville Pike, North Bethesda, 240-290-1120; 701-B Dover Rd., Rockville, 301-294-8193; porcelanosa-usa.com.
R. Bratti Associates. 401 E. Glebe Rd., Alexandria; 703-549-1135; rbratti.com.
Renaissance Tile & Bath. 816 N. Fairfax St., Alexandria; 703-549-7806; renaissancetileandbath.com.
Stone Source. 1129 20th St., NW, Suite 501; 202-265-5900; stonesource.com.
Thos. Somerville Co. Multiple Maryland and Virginia locations; tsomerville.com.
The Tile Shop. Multiple Maryland and Virginia locations; tileshop.com.
Union Hardware. 7800 Wisconsin Ave., Bethesda; 301-654-7810; unionhardware.com.
United States Marble and Granite. 10501 Tucker St., Beltsville; 301-595-7400; usmarble-granite.com.
Universal Floors. 4625 41st St., NW; 202-537-8900; universalfloors.com.
Waterworks. 3314 M St., NW; 202-333-7180; waterworks.com.
W.T. Weaver & Sons. 1208 Wisconsin Ave., NW; 202-333-4200; weaverhardware.com.
