- American Institute of Bisexuality
- Encourages, supports, and assists research and education about bisexuality through programs likely to make a difference and enhance public knowledge, awareness, and understanding about bisexuality
- Online bisexual magazine
Bi.org : A web portal for the bisexual community
- Binet USA
- An umbrella organization and voice for bisexual, pansexual, fluid, queer-identified and “somewhere in between” people as well as their lesbian, gay, transgender, "straight but not narrow" and questioning friends and allies
- Bisexual Resource Center
- The Bisexual Resource Center envisions a world where love is celebrated, regardless of sexual orientation or gender expression.