 ROSWELL, Ga.--BUSINESS WIRE--SiteOne Landscape Supply, Inc. the Company or SiteOne NYSE: SITE announced earnings for its first quarter ended April 4, 2021 First Quarter 2021. Following our strong finish last year, we are off to a fantastic start in 2021 as our talented and seasoned teams continue to provide outstanding service and support to our customers and take advantage of the ongoing robust market demand for landscaping products and services, said Doug Black, SiteOnes Chai 