Aerojet
http://www.aerojet.com/careers/college.php

Agilent Technologies
http://www.jobs.agilent.com/?cmpid=4722

Amgen
http://wwwext.amgen.com/careers/campus.html

Bellevue, City of
http://www.bellevuewa.gov/Tempjobs.htm

Bio-Rad
http://www.bio-rad.com/evportal/evolutionPortal.portal?_nfpb=true&_pageLabel=careers_summer_internships_page

CI Intern
http://www.ciintern.com/forinterns.html

Conservation Northwest
http://www.conservationnw.org/getinvolved/intern

Ecology and Environment
http://www.ene.com/careers/default.aspx

Fred Hutchinson Cancer Center
http://www.fhcrc.org/science/education/undergraduates/

Genelex
http://www.genelex.com/commonhtmls/Careers.html

General Electric
http://www.ge.com/careers/students/internships.html

Genzyme
http://www.genzyme.com/corp/careers/intern_positions.asp

Gilead Sciences, Inc.
http://www.gilead.com/internships

Kimberly Clark
http://www.kimberly-clark.com/careers/na/coop_interns.aspx

Merck
http://www.merck.com/careers/university/internships.html

Northwest Fisheries Science Center
http://www.nwfsc.noaa.gov/intern/index.cfm

Olympic National Park
http://www.olympic.national-park.com/job.htm

ReSources for Sustainable Communities
http://www.re-sources.org/about-us/internships

San Juan County Land Bank
http://www.sjclandbank.org/employment.html

Seattle Biomedical Research Institute
http://www.seattlebiomed.org/undergraduates

Seattle, City of
http://www.seattle.gov/personnel/employment/internships.asp

Siemens
http://www.usa.siemens.com/en/jobs_careers/university_recruiting.htm

US Bureau of Land Management

USDA Animal and Plant Health Inspection Service
http://www.aphis.usda.gov/career_opportunities/student_programs.shtml

USDA Forest Service
http://www.fs.fed.us/fsjobs/step.html

Washington Conservation Corps
http://www.ecy.wa.gov/programs/sea/wcc/wcc_jobs.htm

Washington State Department of Natural Resources
http://www.dnr.wa.gov/AboutDNR/Employment/Pages/Home.aspx

Washington State Dept of Ecology
http://www.ecy.wa.gov/jobs/CurrentOpenings.html

Weyerhaeuser (some fields not available in Washington)
http://www.weyerhaeuser.com/Company/Careers/ForStudents