American Community Garden Association – Bi-national nonprofit membership organization of professionals, volunteers and supporters of community greening in urban and rural communities.

Ancient Burying Ground – Hartford's oldest extant burial ground with headstones dating back to the 1600s.

Connecticut Botanical Society — Organization of amateur and professional botanists founded in 1903 who share an interest in the plants and habitats of Connecticut and the surrounding region.

Connecticut Community Gardening Association — Supports community gardening in the state by disseminating information, building communities and claiming land for environmentally-friendly use.

Connecticut Urban Forest Council — Statewide organization composed of representatives from Connecticut environmental organizations, state agencies, universities, research institutions, corporations, professional communities and citizen tree groups.

Greater Hartford Arts Council — Cultural development organization that promotes the arts, heritage and entertainment in central Connecticut.

Leave a Legacy Connecticut — Statewide public awareness effort to promote charitable giving through wills and estate plans.

Leadership Greater Hartford — Convenes and develops and diverse array of community-minded leaders to forge collaborative and sustainable strategies that build towards a healthier region.

TreeLink — Provides Internet-based information, tools and inspiration in order to help improve urban and community forests.

United Way of the Capitol Area — Nonprofit organization focused on human care needs in the 40 towns throughout north central Connecticut.