David Fleischner

Tree Care Industry Association, Inc. develops safety and education programs, standards of tree care practice and management information for tree and landscape firms around the world. It provides continuing education, training, conferences and publications to promote the safe and appropriate practice of tree care. The company was founded in 1938 and is headquartered in Londonderry, NH.

Aspen Grove Landscape Cos. LLC engages in the provision of commercial landscape maintenance services. It offers irrigation management, tree care, and snow and ice management. The company was founded in 2018 and is headquartered in Willow Grove, PA.

The Barnes Foundation is a non-profit organization, which engages in promoting the advancement of education and appreciation of fine art and horticulture. It also provides facilities for educational programs as well as special exhibitions and visitor amenities. The company was founded by Albert Coombs Barnes in 1922 and is headquartered in Philadelphia, PA.

The Pennsylvania Horticultural Society (PHS) is an internationally recognized nonprofit organization founded in 1827. The private company is based in Philadelphia, PA. PHS programs aim to create healthier living environments, increase access to fresh food, expand access to jobs and economic opportunity, and strengthen deeper social connections between people. The company's work spans 250 neighborhoods, an expansive network of public gardens and landscapes, year-round learning experiences, and the nation's signature gardening event, the flower show. PHS provides everyone with opportunities to garden for the greater good as a participant, member, donor, or volunteer.

Asplundh Tree Expert LLC provides vegetation trimming and tree clearing services to the electric utilities industry. It offers aerial side trimming, line clearance, storm emergency support, power line inspection, meter reading, GPS mapping, utility pole maintenance, roadway lighting, and traffic signal construction and maintenance services. The company was founded by Carl Hjalmar Asplundh Jr., Griffith Asplundh and Lester Asplundh on August 28, 1928 and is headquartered in Willow Grove, PA.