Florida Nursery, Growers and Landscape Association
http://www.fngla.org
Tree Care Industry Association
http://tcia.org
Florida International Arborist Association
http://floridaisa.org
Utility Arborist Association
http://www.utilityarborist.org
OSHA
https://www.osha.gov
United State Department of Transportation
http://www.dot.gov
