- Beta Gamma Sigma - The Honor Society serving business programs accredited by AACSB International The BGS Online Home Page Welcome to the Beta Gamma Sigma home page. The purpose of this site is to help you, the members and prospective members of Beta Gamma Sigma, stay informed about what's going on in your honor society. Beta Gamma Sigma is the honor society serving business programs accredited ...www.betagammasigma.org