 ROSWELL, Ga.--BUSINESS WIRE--SiteOne Landscape Supply, Inc. NYSE: SITE announced that Arizona Stone Architectural Products and Solstice Stone collectively, AZ Stone and Solstice joined SiteOne, effective April 1, 2021. AZ Stone and Solstice operates seven locations throughout Arizona and two locations in the Las Vegas, NV market focused on the distribution of hardscapes, natural stone and landscape supplies to landscape professionals. We are very excited to welcome AZ Stone and 