American Public Power Association
Created in 1940, the American Public Power Association (APPA) is an organization dedicated to serving the nation’s
more than 2,000 community-owned electric utilities. The APPA seeks to advance the public policy interests of its members
and their consumers, and provide services to ensure adequate, reliable electricity at a reasonable price with the
proper protection of the environment. Visit the APPA website.
Arbor Day Foundation
With over one million members, supporters and valued partners, the Arbor Day Foundation is the largest nonprofit
conservation and education organization dedicated to planting trees. The primary focus of the organization is to
inspire people to plant, nurture and celebrate trees. Visit the Arbor Day Foundation website.
Edison Electric Institute
Edison Electric Institute (EEI) is the association of U.S. shareholder-owned electric companies that provides
public policy leadership, critical industry data, market opportunities, strategic business intelligence, one-of-a-kind
conferences and forums, and high quality products and services. Visit the EEI website.
Federal Energy Regulatory Commission
The Federal Energy Regulatory Commission (FERC) is an independent agency assisting consumers in obtaining reliable,
efficient and sustainable energy services at a reasonable cost through appropriate regulatory and market means.
They regulate the interstate transmission of natural gas, oil and electricity, as well as natural gas and hydropower
projects. Visit the FERC website.
International Society of Arboriculture
Founded in 1924, the International Society of Arboriculture (ISA) is a professional association that seeks to promote
the professional practice of arboriculture and foster a greater worldwide awareness of the benefits of trees through
research, technology and education. ISA offers the only accredited certification program for arborists in the world.
Visit the ISA website.
National Rural Electric Cooperative Association
The National Rural Electric Cooperative Association (NRECA) is the national service organization dedicated to
representing the interests of more than 900 not-for-profit rural electric cooperatives and the consumers they serve.
Visit the NRECA website.
North American Electric Reliability Corporation
Certified by FERC, the North American Electric Reliability Corporation (NERC) is the electric reliability
organization that creates and enforces reliability standards for the bulk-power system.
Visit the NERC website.
Tree Care Industry Association
The Tree Care Industry Association (TCIA) is a trade association for tree care companies. The organization provides
companies and professional arborists with educational programs, events and publications, as well as tree service operation
guidelines, tree care standards, accreditation programs and safety certification programs.
Visit the TCIA website.
Utility Arborist Association
Established in 1974, the Utility Arborist Association (UAA) is an association for individuals and companies that
provide professional utility arboricultural services. Their mission is to enhance the quality of utility arboriculture
by providing opportunities for all utility arborists to network and share information.
Visit the UAA website.