Delta Sigma Phi is a national, not-for-profit Fraternity that's helped young men become better for more than a century. Founded on December 10, 1899 at the College of the City of New York, Delta Sig has grown significantly over the years with 103 active chapters in the United States. In our 113 years of history, over 115,000 men have initiated into Delta Sigma Phi Fraternity. Today, we have 85,000 living alumni and more than 5,000 undergraduates. Our great Fraternity helps and encourages our members to become better students, better leaders, better citizens, better professionals... better men.