Funds to ISSF are provided by Exceptional Donors and Members, who having recognized the importance of ISSF goals for human progress in space are willing to financially contribute to ISSF achievements on a philanthropic basis.
Exceptional Donors are individuals, institutions or corporations who make substantial grants to ISSF on an extemporary basis (endowments) or without pre-determination of amount and periodicity.
Members are corporations or institutions that volunteer to make annual donations. ISSF Members will belong to one of the following categories.
Exceptional Donors and Members are publicly recognized by ISSF for their dedication and tangible support in making space safer and sustainable place. Patron or Benefactor Members are entitled to designate a member to ISSF's Board.