Description of the organization found online 11-2-2021:

Sigma Sigma Sigma (ΣΣΣ), also known as Tri Sigma, is a national American women’s sorority with membership of more than 100,000 members. Sigma Sigma Sigma is a member of the National Panhellenic Conference and hosts chapters on more than 110 college campuses and 89 alumnae chapters in communities all over the world.