Citizens Technical Environmental Committee
- A group of volunteer citizens who work with EPA, the state of Montana, and responsible parties to make the Superfund process and cleanup decisions understandable for all.
- http://www.buttectec.org/

Pit Watch
- Design, develop and monitor a coordinated campaign to keep local residents and students informed about the Berkeley Pit and surrounding underground mine-flooding areas.
- http://www.pitwatch.org/

Big Hole River Foundation
- Non-profit foundation established to preserve and protect the Big Hole River. Includes an overview of ongoing projects.
- http://www.bhrf.org/

Atlatl, Inc.
- Employee-owned environmental consulting corporation. Provides summaries of past projects, service details, and news.
- http://www.atlatlinc.com/

Pioneer Technical Services, Inc.
- Environmental Engineering and Science Consulting Firm.
- http://www.pioneer-technical.com/

MSE Incorporated
- Engineering and technology source.
- http://www.mseinc.com