America's Health Insurance Plans
National association representing member companies providing health insurance coverage including medical expense insurance, long-term care insurance, disability income insurance, dental insurance, and more.
http://www.ahip.org/
California Association of Health Plans
Statewide health plan trade association that represents licensed care providers of coverage to Californians.
http://www.calhealthplans.com/
Health Insurance Advisors Australia (HIAA)
Established to assist people in being able to understand, manage and choose the most appropriate private health insurance.
http://www.hiaa.com.au/