Sigma Chi International Headquarters welcomes all members and visitors M-F 9AM-5PM CT (holiday hours vary). Visitors are welcome to enjoy the International Fraternity Museum (generously sponsored by Chuck & Kim Watson) and learn about the unique and important role that Sigma Chi has played in the lives of its members, enabling them to make important contributions to higher education communities, commerce, civic, and society at large. Members are welcome to tour the rest of the international headquarters and use its facilities by either visiting during business hours or arranging a special tour by calling the main phone line.