Ohio Association of Acupuncture and Oriental Medicine
Society for Acupuncture Research (SAR)
American Academy of Medical Acupuncture (AAMA) and Medical Acupuncture Research Foundation
This is the official website for the National Institute of Health which gives access to some important studies on the efficacy of acupuncture.

Suggested Reading

The Web That Has No Weaver, Ted Kaptchuk, OMD
Acupuncture Basics, Glenn Rothfeld, MD
The Infertility Cure, Randine Lewis