The New York City-based organization Freedom to Marry is working to obtain same-sex marriage rights nationwide and to overturn the federal Defense of Marriage Act. Evan Wolfson is president.

The American Bar Association is the one of the largest voluntary professional membership organizations in the world.

The American Academy of Pediatrics is an organization of 60,000 pediatricians committed to the optimal physical, mental, and social health and well-being for all infants, children, adolescents, and young adults.

The Women’s League for Conservative Judaism is the national organization of women members of Conservative synagogues. Its goals are to provide a voice for women in the Conservative movement and to strengthen the Jewish identities of its membership. Rita Wertlieb is president.

Women of Reform Judaism represents more than 75,000 women in the Reform branch of Judaism, providing leadership training to its members as well as financial help for rabbinical students, youth programs and special projects. Its offices are in New York City. Rabbi Liz P.G. Hirsch is CEO.

The National Council of Jewish Women is a faith-based nonprofit that works for women’s rights, reproductive freedom and child welfare through offices in New York; Washington, D.C.; and Israel. Sheila Katz is Chief Executive Officer.

The Jewish Women’s Archive works to chronicle the history of Jewish-American women. It is based in Brookline, Mass. It maintains on online archive, a blog and education guides and produces documentary films. Gail Twersky Reimer is executive director.

The World Congress of Gay, Lesbian, Bisexual and Transgender Jews is an umbrella organization of 50 groups around the world that advocate for rights for LGBT people. The membership list includes links to local groups in the U.S.

Eshel is a support and advocacy organization for LGBT Orthodox Jews with groups in New York City, Israel and on the Internet. Miryam Kabakov is executive director.