[citation needed] Sigma Phi is a founding member of the North American Interfraternity Conference.

[1] The Sigma Phi badge is a monogram with a jeweled Σ directly over a Φ that is either plain or chased.

[4] In 1879, Baird's Manual of American College Fraternities stated that the badge was royal purple.

[7] It was designed in 1903 by architect Marcus T. Reynolds of Albany, New York, who was a member of the Alpha of Massachusetts chapter.

[7] Located at 420 College Street, Sigma Phi Place was the first purpose-built fraternity house at the University of Vermont.