The Self-Insurance Institute of America, Inc. (SIIA) is the only national association dedicated exclusively to protecting and promoting the self-insurance and alternative risk transfer industry. Since its founding in 1981, the association has grown significantly and now includes members from across the nation and several countries around the world. Major membership constituencies include self-insured employers (healthcare and Workers' Compensation), group self-insured Workers' Compensation funds (SIFs), third-party administrators (TPAs), managing general underwriters (MGUs), excess/stop-loss insurance carriers, and a variety of other companies involved in the self-insurance/alternative risk transfer business. SIIA provides membership services in four primary areas: information, education, networking and legislative/regulatory representation. The association's corporate office is located in Simpsonville, South Carolina. It also maintains a government relations office in Washington, D.C.