"The National LGBT Bar Association is a national association of lawyers, judges and other legal professionals, law students, activists, and affiliated lesbian, gay, bisexual, and transgender legal organizations. The LGBT Bar promotes justice in and through the legal profession for the LGBTQ+ community in all its diversity."
"The [Allegheny County Bar Association] LGBT Rights Committee brings together lawyers, judges, law professors, law students, and other legal professionals interested in addressing discrimination based on sexual orientation or gender identity and expression, and advancing equality for sexual minority persons and their families. The Committee seeks to create educational, networking and mentoring opportunities for LGBT individuals and their allies. The Committee will monitor, make recommendations, and conduct educational programming on issues and developments in the law having an impact on LGBT people in the public and in the legal profession."
"ACLU of Pennsylvania works to secure total rights for LGBT people by working to defend and expand the individual rights and personal freedoms afforded to us all by the state and federal constitutions and the Bill of Rights."
Resources in Philadelphia
Law-Specific:
Philadelphia LGBTQ Bar Association
Free Legal Help via Community Legal Services of Philadelphia 
Additional:
"The Office of LGBT Affairs works to foster equitable working and living conditions for lesbian, gay, bisexual, transgender, and queer (LGBTQ) people and to advocate for LGBTQ issues in all areas of City government. Linked here is the City of Philadelphia Resources page."
"The Philadelphia Gay News is the area’s largest and oldest publication targeting the LGBTQ+ community. Started in 1976, PGN reaches, builds rapport with and listens to our readers and supporters — as well as our critics."
"The Attic creates opportunities for Lesbian, Gay, Bisexual, Transgender, Queer, and Questioning (LGBTQ) youth to develop into healthy, independent, civic-minded adults within a safe and supportive community, and promotes the acceptance of LGBTQ youth in society. Philly's only independent LGBTQ+ youth center."
"The William Way LGBT Community Center encourages, supports and advocates for the well-being and acceptance of sexual and gender minorities in the Greater Philadelphia region through service, recreational, educational and cultural programming."
"Healthy Minds Philly offers tools and resources to support and improve the mental health and wellbeing of all Philadelphians. The page linked here is for LGBTQ+ specific resources in the Philadelphia area ranging from mental health support and crisis lines to recovery and AIDs resources."
"For 43 years Bread & Roses has inspired people to take collective action and create real change in their communities, the Philadelphia region, and beyond. We raise money through donations of all sizes and make grants using a democratic, community-led decision-making process. Our grants go to local groups working for good schools, fewer prisons, better jobs, a safe environment, quality health care, and more."