| American Cancer Society | Visit Website | |
| American Heart Association | Visit Website | |
| American Lung Association (ALA) | Visit Website | |
| Campaign for Tobacco Free Kids (CTFK) | Visit Website | |
| CDC - Tips from Former Smokers | Visit Website | |
| CDC - Tobacco Information | Visit Website | |
| Center for Tobacco Control Research and Education | Visit Website | |
| Center for Tobacco Research and Intervention (CTRI) | Visit Website | |
| Environmental Protection Agency (EPA) | Visit Website | |
| Great American Smokeout | Visit Website | |
| National Cancer Institute (NCI) | Visit Website | |
| Nicotine Anonymous | Visit Website | |
| North American Quitline Consortium (NAQC) | Visit Website | |
| Smokefree.gov | Visit Website | |
| Society for Research on Nicotine and Tobacco (SRNT) | Visit Website | |
| Stop Smoking - American Lung Association | Visit Website | |
| Substance Abuse and Mental Health Services Administration (SAMHSA) | Visit Website | |
| The EX Program | Visit Website | |
| UNDO California | Visit Website | |
| World Health Organization (WHO) Tobacco Free Initiative | Visit Website |