Sigma Alpha () is a professional agricultural sorority. History On January 26, 1978, five students, Ann Huling Mathews, Cindie Davis, Marilyn Burns, Jennifer McMillan and Amy Mathews, founded Sigma Alpha at the Ohio State University. Since that time, Sigma Alpha has become a national organization consisting of 60 collegiate chapters and 32 alumni chapters. Today, more than 11,000 members have been initiated into Sigma Alpha Sorority. The sorority was named Sigma Alpha for "Sisters in Agriculture." The sorority's official colors are emerald and maize, the mascot is the baby bull, the official flower is the yellow chrysanthemum, and the symbolic jewel is the emerald. The mission is Cultivating Professional Women in Agriculture. The objective of Sigma Alpha shall be to promote its members in all facets of agriculture and to strengthen the bonds of friendship among them. It is the purpose of the members to strive for achievement in scholarship, leadership, and service, and to further the development of excellence in women pursuing careers in agriculture. Sigma Alpha is a member of the Professional Fraternity Association (PFA), a national organization of professional Greek letter organizations. The sorority's national philanthropy is Agriculture in the Community which allows members to give back and spread the word about the agriculture industry. It belongs to the Consortium of Collegiate Agricultural Organizations. Collegiate chapters Alpha - The Ohio State University Beta - Purdue University Gamma - Michigan State University Delta - Iowa State University Epsilon - Pennsylvania State University Zeta - Louisiana State University Eta - University of Connecticut Theta - University of Tennessee Iota - University of Arkansas Kappa - Cal Poly, San Luis Obispo Lambda - University of California, Davis Nu - Colorado State University Xi - Oregon State University Omicron - Truman State University Pi - Virginia Poly Tech University Rho - Texas Tech University Sigma - Western Illinois University Tau - Clemson University Upsilon - North Dakota State University Phi-Texas A&M University - Commerce Chi - West Virginia University Psi - Middle Tennessee State University Omega - South Dakota State University Alpha Beta - Northwest Missouri State University Alpha Gamma - Southern Illinois University Carbondale Alpha Delta - University of Nebraska–Lincoln Alpha Epsilon - University of Wyoming Alpha Zeta - Tarleton State University Alpha Eta - Stephen F. Austin State University Alpha Theta - North Carolina State University Alpha Iota - California State University, Chico Alpha Kappa - University of Delaware