Tree Trimming and Service. Serving San Bernardino, Los Angeles and Riverside County. Licensed Tree Contractor www.advancetreeservice-treeservice.business.site Fast and reliable service. Free Estimates for Commercial and Residential clients. Tree Trimming, Shaping, Lacing, Bracing, Crowning, Palm tree clean up, stump removal, brush clearance, hillside clean up, firewood, emergency tree service, fallen trees, storm damage, palm tree skinning.