- American Public Works Association- Oregon Chapter
- American Public Works Association- National
- American Society of Civil Engineers
- American Waterworks Association
- Association of Clean Water Agencies
- Bureau of Labor and Industries, Prevailing Wages
- City of Gresham Department of Environmental Services
- Comcast
- East Multnomah Soil and Water Conservation District
- Environmental Protection Agency
- lightout [at] multco.us (Mid County Lighting District)
- Occupational Safety and Health Administration
- Oregon Construction Contractors Board
- Oregon Department of Environmental Quality
- Oregon Department of Human Services Drinking Water Program
- Oregon Department of Transportation
- Oregon State Board of Examiners for Engineering and Land Surveying
- Metro
- lightout [at] multco.us (Mid County Lighting District)
- Multnomah County Transportation Division
- Northwest Natural Gas
- PGE
- Portland Stormwater Management Manual
- Sandy Drainage Improvement Company
- Utility Notification Center (Utility Locates)
- Waste Management
- Ziply Fiber
Student Submitted Links
These links were submitted by students as a part of their curriculum.