The Foundation has donated to Pi Sigma Epsilon's annual Pro-Am Sell-A-Thon, an annual sales competition for college students.
Sigma Chi | Sigma Xi | Sigma Alpha Epsilon | Delta Sigma Theta | Delta Kappa Epsilon | Phi Beta Sigma | Sigma Corporation | Sigma Alpha Mu | Alpha Epsilon Pi | Sigma Phi Epsilon | Sigma | Kappa Sigma | Beta Gamma Sigma | Tau Beta Sigma | Six Sigma | Sigma Alpha Iota | Phi Sigma Kappa | SK Sigma Olomouc | Sigma SD14 | Sigma Gamma Rho | Phi Sigma Epsilon | Delta Sigma Pi | Tau Kappa Epsilon | Sigma Tau Gamma | Sigma Sigma Sigma | Sigma Nu | Sigma Kappa | Phi Kappa Sigma | Lean Six Sigma | Lambda Phi Epsilon |