- North American Hazardous Materials Management Association (NAHMMA) - The leading association focusing on programs to manage hazardous materials at the local, state, and national levels.
- Solid Waste Association of North America (SWANA) - The leading association focusing on all topics of solid waste management including special wastes such as those generated by households and small businesses.
- Alliance of Hazardous Materials Professionals (AHMP)
- Association of Municipal Recycling Coordinators (AMRC, Canada) - Canadian association focused on recycling and HHW issues.
- Local Hazardous Waste Program in King County (WA) - The leading local program for comprehensive CESQG assistance in North America.
- Association of New Jersey HHW Coordinators
- MSDS Collection - University of Vermont's extensive on-line listing of Material Safety Data Sheets
- Environmental Chemistry and HHW - Good basic information on chemistry fundamentals and household chemicals useful for educators and others seeking competent baseline information.
- NIH/National Library of Medicine's Household Products Database