The National membership exceeds 1500 and continues to grow as new, younger members continue to ‘pick up the banner’ to make GWIS a timely and relevant organization for the women scientist of today. Membership is at the National level with a local chapter affiliation.

• AFIC is an association of women engineers trained in Cameroon or abroad without discrimination of specialty. Engineers can be found in: Aeronautics, Astronautics, Electromechanics, Electronics, Data processing, Civil engineering and building, and Telecommunications.
• Association "Women in Science and Education" is registered by the Ministry of Justice of the Russian Federation and has the goal to support of women-working in the sphere of sciences, arts and education.
• Association for Women in Computing is a non-profit national technology organization that promotes the advancement of women across all computing professions.
• Association for Women in Mathematics is a non-profit organization that is dedicated to encouraging women and girls in the mathematical sciences. This site includes information about a mentor network.
• Association for Women in Science (AWIS) has the mission of the achievement of equity and full participation of women in all areas of science and technology.
• Association for Women in Science and Engineering the UK association for women in the sciences, engineering and the technologies, is a national organisation. Objectives are to: Promote SET for girls and women, Act as a forum, Provide a network for mutual support, Form a collective voice, and Act as a centre of information and resource.
• Committee on Women in Science and Engineering serves as a national focus to advocate action for increasing the participation of women in the science and engineering workforce.
• Gender and Science and Technology (GASAT) is an international organization that works to increase the number of women in science and technology and in science and technology education.
• Institute of Electrical and Electronics Engineers, Inc., Women in Engineering Committee provides information and services to women in IEEE ( Institute of Electrical and Electronics Engineers).
• Japanese Women Engineer's Forum offers a place where women engineers can actively participate in exchanging ideas and information, which can contribute their knowledge and technical skills to society.
• Life-Long Mentoring of Women in or Towards Technical Jobs is a European Commission Action's program concerning mentoring of women in higher technical education, and careers.
• MentorSET MentoreSET is a national mentoring scheme for women in Science, Engineering and Technology, organized jointly by AWiSE and WES with support from the government’s unit Promoting SET for Women.
• NUT-Women in Science and Technology is a German association that was founded in 1988 to act as a continuous interest and lobbying group for women in science and technology.
• Once and Future Action Network (OFAN) is an international consortium of gender, science and technology organizations which calls attention to sustainable approaches to science and technology.
• Society for Canadian Women in Science and Technology was established in 1981 with the mission to promote and empower women in science and technology.
• Strategic Education Centers is a non-profit after school program that provides young women training in technology skills, job readiness, health awareness, and math and science career orientation to empower them with the skills to develop independent, successful lives.
• The Society of Japanese Women Scientists encourages mutual support and friendship among Japanese women scientists, as well as facilitates the exchange of knowledge in various fields of academic research.
• Third World Organization of Women in Science (TWOWS) is a network of over 2000 female scientists in developing countries.
• VHTO-National Organization for Women in Higher Technical Education and Positions works with advanced technological education, the technological employment market and government policies to increase the involvement of women and girls in technology and engineering.
• Women are I.T. is an organization providing a framework upon which women in Information Technology can extend their network and expand their knowledge in an environment that encourages open conversation and debate.
• Women in Global Science and Technology (WIGSAT) supports global networking and information on critical issues in science and technology for development.
• Women in Science, Engineering and Technology is a well established European network, which undertakes projects to address the balance of women studying and working in science, engineering and technology.
• Women in Technology International (WITI) is a professional organization dedicated to advancing women in technology.
• Women Into Science and Engineering (WISE) The Women Into Science and Engineering (WISE) Campaign promotes science and engineering as a valuable and interesting career option for women.