Robinson Investment Company, Inc. is proud to provide professional bookkeeping services for the largest fraternity at the University of Colorado Boulder, the Gamma Kappa Chapter of the Sigma Nu Fraternity.

Founded in 1902, Sigma Nu is the oldest fraternity at CU Boulder, with a legacy of leadership and excellence. The chapter has initiated over 2,000 distinguished members. Rooted in its founding principle of “Excelling with Honor,” Sigma Nu continues to be a pillar of tradition, character, and brotherhood.

Sigma Nu Boulder: A Nationally Recognized Landmark

Sigma Nu in Boulder has been named the Best Fraternity House in the West Coast Region by COED Media Group. This historic property is not only a local icon—it’s also the largest fraternity compound in the country, spanning more than an entire city block just five minutes from the University of Colorado campus.

Founded in 1869 at the Virginia Military Institute in Lexington, Virginia, Sigma Nu is a nationally respected fraternity with a long-standing tradition of excellence. Today, it boasts 172 active chapters and colonies across the U.S. and Canada, with more than 230,000 members initiated since its inception.