World Health Organization EMF Project
     http://www.who.int/peh-emf/en/

National Institute of Environmental Health Sciences (USA) EMF
     Research and Public Information Dissemination (RAPID) Program
     http://www.niehs.nih.gov/emfrapid/home.htm

Enertech Consultants (ELF measuring equipment used in PrudentAvoidance)
    Scientific Research, Software, Instrumentation, Consulting
    http://www.enertech.net/index.html