Hi-Rigger Tree Service Ltd, has ISA and Utility Certified Arborists, specializing in tree trimming and tree removal. We are ISA certified if you require a permit and an arborist report to remove or trim your trees. Hi-Rigger is utility certified if you require trees removed or trimmed that are approaching powerlines. Give us a call or send an email, we'd be happy to work with you on your project, large or small. Free Estimates