For an agency to be listed on the ASO411 web site, it must do one or more of the following:

1. Offer services directly to people affected by, at risk for, or living with HIV/AIDS.
2. Work within the broader HIV/AIDS movement at the local, provincial or federal level in key areas such as research, lobbying, funding, prevention education, treatment, and/or information exchange.
3. Offer services directly to marginalized communities which may be particularly high-risk for HIV, including, but not limited to: substance users, street-involved people, sex workers, youth, gay and bisexual men, men who have sex with other men, women and ethno-cultural groups.
4. Address one or more of the following determinants of health, related specifically to the well-being of people living with HIV/AIDS (PHAs) and people at risk for HIV:

• Income and housing
• Social support
• Education
• Employment and working conditions
• Safe communities and community involvement
• Quality of air, water, food
• Personal health practices and coping skills
• Healthy child development
• Health services and access to them
• Gender
• Culture