 ROSWELL, Ga.--BUSINESS WIRE--SiteOne Landscape Supply, Inc. NYSE: SITE announced that Stone Center of Richmond, LLC and Stone Center of Fredericksburg, LLC collectively, Stone Center of Virginia joined SiteOne, effective December 31, 2020. Stone Center of Virginia serves the Richmond and Fredericksburg, Virginia markets with two locations focused on the distribution of hardscapes, natural stone and landscape supplies to landscape professionals. We are very excited to welcome Stone Cen 