ATTUD
ATTUD is an U.S  organization of providers Dedicated to the promotion of and increased access to evidence-based tobacco treatment for the tobacco user.

http://www.attud.org

SRNT
The mission of the Society is to stimulate the generation of new knowledge concerning nicotine in all its manifestations - from molecular to societal. The Society has three main aims:
1.To sponsor scientific meetings and publications fostering the exchange of information on nicotine and tobacco.
2. To encourage scientific research on public health efforts for the prevention and treatment of tobacco use.
3. To provide a means by which legislative, governmental, regulatory and other public agencies can obtain expert advice and consultation on nicotine and tobacco.

http://www.srnt.org