Harbinger’s clients range from small community groups to international NGOs, from individuals with a burning idea to government agencies, and from small businesses to multi-national operations. Here is a selection:

Analysis and advocacy clients

Bexar County, Texas

Caldera Action

Civil War Trust

Coalition to Protect the Rocky Mountain Front

Greater Yellowstone Coalition

Friends of the Delta

James Lifshutz

Houston Wilderness

Letchworth Gateway Villages

Los Compadres de San Antonio Missions National Historical Park

National Parks Conservation Association (NPCA) Center for Park Management

NPCA clean air and climate program

NPCA communications department

NPCA Mid-Atlantic regional office

NPCA Northern Rockies regional office

NPCA Southwest regional office

NPCA Texas regional office

San Antonio Missions National Historical Park

South San Antonio Chamber of Commerce Foundation

SSSPEED Center, Rice University

Village of Perry, New York

Walton Family Foundation

Western National Parks Association

The Wilderness Society

Yellowstone Business Partnership

Wildlands CPR

Education and engagement clients

Charles F. Kettering Foundation

Congressional Exchange

Council for Environmental Education

Environmental Issues Forums

Environmental Studies Program, The University of Montana

Everyday Democracy/Study Circles Resource Center

Flying WILD

General Federation of Women’s Clubs

Greater Yellowstone Coalition

Haleakala National Park

Kansas Association for Conservation and Environmental Education

Lassen Volcanic National Park

Montana Wilderness Association

Monterey Bay Aquarium

Na Kumu o Haleakala

National Geographic Center for Sustainable Destinations and Maps Division

National Issues Forums

National Parks Conservation Association

National Project for Excellence in Environmental Education

North American Association for Environmental Education

Northern Illinois University

Project Learning Tree

Project WET

Project WET International Foundation

Project WILD

Resource Action Programs

Salish-Kootenai College

The Nature Conservancy—Florida Chapter, Hawai‘i Chapter

Topsfield Foundation

WET in the City

World Wildlife Fund

Yellowstone Western Heritage Center

Idea incubator clients

K.K. Abios (Tokyo, Japan)

Areti International

Avalon Coffee House & Gallery

Bright Lights, Small Cities


Eclectis Gallery

First Day Center

First Day Folk-us

Gaia Commonwealth

Human Health Sciences, LLC (Auckland, New Zealand)

Health-mor Pacifica (Hawai‘i, New Zealand)

K.K. Joynus (Osaka, Japan)

Kinoshiro-Teisetsu (Hokkaido, Japan)

Lake Missoula Community Land Trust

Madison River Conference & Education Center

Maureen & Mike Mansfield Center for Ethics and Public Affairs

Mission Valley Shuttle

Missoula Advocates for Social Justice

Missoula Community Business Incubator

Missoula Independent

Missoula Urban Demonstration Project

Mountain Goat Bicycle Couriers

Nowa New York (Osaka, Japan)

The People’s Center

Phoenix Rising


Safe Source Supplements

San Juan Pueblo

Sonic Research Associates


Three Rivers—a center for community development

Wild Rockies Cooperative

Women’s Economic Development Group (WEDGo)

Women’s Opportunity and Resource Development (WORD)

Strategic direction and capacity building clients

Areti International

City of Missoula, Montana

Clark Fork-Pend Orielle Coalition

Community Food Co-op

Confederated Salish and Kootenai Tribes

First Day Center

First Day Folk-Us

Gaia Commonwealth

Garden City Seeds

Good Earth Market

Environmental Support Center

Island Incentives, Inc.

Ka Makani o Kohala

Konawaena Middle School

Madison River Conference & Education Center

Maxcell Bioscience, Inc.

Missoula Advocates for Social Justice

Missoula Urban Demonstration Project

Montana Department of Family Services

Montana Department of Revenue

Montana Governor’s Office

National League of Cities

Northern Rim Institute

Oasis Wellness Network

Three Rivers—a center for community development

Women’s Voices for the Earth

General publication services clients

Association for Supervision and Curriculum Development

California Issues Forums

Deborah Grace Poetry

Environmental Education and Training Partnership

Everyday Democracy/Study Circles Resource Center

Greater Yellowstone Coalition

Montana Science and Technology Alliance

National Parks Conservation Association (NPCA) Alaska regional office

NPCA Glacier field office

Topsfield Foundation

Wildlands CPR

Yellowstone Valley Citizens Council

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