11 space advocacy organisations worldwide

US space advocacy non-profit — promotes human missions to Mars and runs the annual Humans to the Moon & Mars Summit in Washington, DC.

Huntsville space advocacy non-profit and chapter of the National Space Society — runs education outreach and amateur space technology projects.

US space advocacy non-profit — promotes space settlement and exploration through public outreach, policy advocacy and its annual space development conference.

Central Oklahoma chapter of the National Space Society — volunteer group promoting space settlement through meetings, newsletters and public outreach.

US NewSpace advocacy non-profit — promotes commercial space development and settlement, known for its NewSpace conference.

Non-profit advancing women in aerospace — runs leadership programmes, mentoring and advocacy for gender diversity across the global space and aviation workforce.

Canadian chapter of The Mars Society — promotes human exploration and settlement of Mars through analog research, education and outreach.

Canadian not-for-profit network promoting women's leadership and professional development across aerospace and space, with Ontario, Québec and Western chapters.

Global non-profit connecting students and young space professionals — runs conferences, workshops, project groups and the Space Generation Congress at IAC annually.

Slovak space policy NGO — works on space security, law, governance and European space integration; ECSL national point of contact for Slovakia.

Community bringing together designers and the space sector — advocates for the strategic use of design for more ethical, fair and sustainable use of space both on Earth and beyond.