Drefs mission is to preserve and restore the trees while utilizing the latest tree care practices and safety standards to ensure optimal customer satisfaction and public safety. We have a staff of proud, professional, caring, and customer oriented people; provided with the knowledge, training and equipment they need. We are proud to celebrate over 25 years of service to the Omaha, NE area. -Tree Trimming Using ISA & NAA industry standards, trimming services include crown cleaning, crown reduction, crown thinning, and crown restoration. deadwood removal are other trimming services. -Building/Sturcture Clearance Clearance from buildings, light fixtures and poles, rooftops, chimneys, sidewalks, signs, parking lots, garages, overhangs, etc. -Tree Removal We have the capabilities to remove almost any size tree, in any location, using bucket trucks, cranes, or skilled tree climbers. -Stump Grinding -Tree Transplanting Up to 6 in