For the implementation of various projects HISR has collaborated with the following policymaking entities, organizations and associations since 2002:
Biology Department – University of Crete
Department of Biology – National and Kapodistrian University of Athens
Former Municipality of Neapoli, Lassithi
Xanthi Development Agency S.A.
Eastern Crete Development Organization S.A.
Environmental Education Centers
Associations and environmental organisations
Naturalist Mountaineering Club of Siteia-Caving club