A family owned and operated residential tree service company located in the heart of Northumberland County. Founded by Harold and Ilene Wharram in 1972, Wharram Tree Service has become a familiar and trusted name specializing in all aspects of arboriculture. Ontario Line Clearing is a full-service forestry company that was founded in 1988 in the utility vegetation management business for municipalities and utility companies throughout the province. The majority of our work is in the trimming and removal of trees and shrubs within the proximity of energized apparatus.