Peter Colgan Jr.

Colgan Tree and Landscape Service Inc.
631-979-2280
631-724-6455
http://colgantree.com or colganlawn.com

24 Hours

About Us

The Long Island Arboricultural Association (LIAA) is a non-profit educational organization dedicated to education for the appreciation and care of shade trees and shrubs on Long Island.

Read more about us

Contact us


Sponsorship Opportunities

LIAA invites all members and supporters to participate in our Sponsorship program. These sponsorships help offset the increasing costs of providing one of the largest one-day program devoted to arboriculture in the Northeast, the Long Island Arboricultural Association's Annual Tree Symposium.

Read More