ASPAC draws its membership from 20 countries and administrative regions in Asia and the Pacific, Europe, Middle East and North America. Members include science centres, science museums, children's museums and exhibit design and fabrication firms.
The ASPAC Network has three categories of membership – Full Members, Associate Members and Sustaining Members:
- Full Members are centres of science and technology in the Asia Pacific Region that offer hands-on interactive exhibitions and educational programs to further the public understanding of science and technology.
- Associate members are science and technology centres or institutions outside the Asia Pacific Region, or not-for-profit organisations, associations and government agencies within or outside the Asia Pacific Region, with a strong interest in and support for the objectives of the Network.
- Sustaining members are for-profit corporations, private firms or other organisations within or outside the Asia Pacific Region, with a strong interest in and support for the objectives of the Network.