The following companies have provided internships for PSM Environmental Sciences students in the past or have hired graduates from this program:
- Adamus Resource Assessments, Inc. (Corvallis OR)
- Anderson Risk Analysis (Salem OR)
- ATI Wah Chang (Albany OR)
- Black and Veatch (Lake Oswego OR)
- Bureau of Land Management (Yuma AZ)
- Burns & McDonnell (Kansas City, MO)
- Catalina Island Conservancy (Avalon, CA)
- Corvallis Hydroponics-Organics (Corvallis, OR)
- Earth Design Consultants (Corvallis, OR)
- Environmental Protection Agency (Corvallis OR)
- Flathead Land Trust (Kalispell, MT)
- Hewlett Packard (Corvallis, OR)
- Iowa Department of Natural Resources
- Landau Associates (Edmonds, WA)
- Lincoln Soil & Water Conservation District (Newport, OR)
- Mt. Hood River Ranger District (Mt Hood OR)
- National Council for Air and Stream Improvement, Inc. (Corvallis OR)
- National Oceanic and Atmospheric Administration (Newport OR)
- Natural Resources Institute (Corvallis, OR)
- The Nature Conservancy (Eugene OR)
- Oregon Department of Fish and Wildlife (Salem OR)
- Oregon Watershed Councils (Eugene OR)
- Pacific Habitat Services, Inc. (Wilsonville OR)
- Siuslaw National Forest (Lincoln City, OR)
- Spectron Energy (California)
- U.S. Department of Agriculture – Forest Service (Corvallis, OR)
- U.S. Fish and Wildlife Service(Portland, OR)
- U.S. Forest Service(Catalina Island, CA)
- Wah Chang (Albany, OR)
- W&H Pacific, Inc. (Portland, OR)
- Western Ag Innovations, Inc (Saskatoon, Canada)
- Westbrook Science & Design (Beaverton, OR)
- Willamette National Forest (Eugene, OR)
- Willamette Riverkeeper (Portland, OR)
- Winterbrook Planning, LLC (Portland, OR)
- Yakima Nation Wildlife (Toppenish, WA)
- Zia Engineering and Environmental Consultants, LLC(Windsor Heights IA)
- U.S. Department of Agriculture
An overview of companies that have hired and supported PSM students in the U.S. can be viewed on the National PSM website.
Evergreen State College in Washington also publishes regional internship opportunities in their weekly blog.