American College of Rheumatology -- The American College of Rheumatology is the professional organization of rheumatologists and associated health professionals who share a dedication to healing, preventing disability, and curing the more than 100 types of arthritis and related disabling and sometimes fatal disorders of the joints, muscles, and bones.

Spondyville -- A cyber-town for people with ankylosing spondylitis and their families and friends. Fellow SAA member Michael Smith runs an online support group to help people cope through humor, friendship, support, and information.

SPARTAN -- SPARTAN is a network of health care professionals in North America who are dedicated to research, awareness and treatment of spondyloarthritis. SPARTAN gratefully acknowledges The Spondylitis Association of America, which serves as the fiscal agent for SPARTAN.

Spine Universe -- SAA has partnered with Spine Universe to help provide information and support to those suffering from ankylosing spondylitis and related diseases.

Ankylosing Spondylitis International Federation -- The Ankylosing Spondylitis International Federation is a worldwide organization of national self-help societies for people with ankylosing spondylitis (AS). This site also lists spondylitis organizations' contact information (address, phone number, email) for those without a website presence.

The ASsessment in Ankylosing Spondylitis (ASAS) International Working Group -- The ASsessment in Ankylosing Spondylitis (ASAS) International Working Group is an international group of experts in the field of ankylosing.

OTIS, the Organization of Teratology Information Specialists -- A non-profit organization made up of individual services (TIS) throughout North America. We are dedicated to providing accurate evidence-based, clinical information to patients and health care professionals about exposures during pregnancy and lactation.

Reiter's Information & Support Group Inc. -- Reiter's Information & Support Group Inc. is a nonprofit organization set up by SAA member Rick Hahn to provide information and support to people with spondyloarthropathies and their families and friends. Upon joining the list serve and/or message board community, people can access over 30,000 searchable messages.