Arbor Guy has been working for the Department of Parks and Wildlife (Department of Environment and Conservation) since 2009. It has been one of the company's most cherished contracts as it entails working throughout landscapes rich with an abundance of large old-growth trees. 

The work has included maintaining trees in the pristine locations of; the Valley of the Giants, the Diamond, Bicentennial and Gloucester trees, various tourist attractions and high amenity areas in the Warren Region.

The services provided have included pruning for safety and aesthetics; hazard tree removal; coronet pruning; cable bracing; pest and disease control, GIS mapping and consulting & reporting.