Iota Omicron Sigma Alumnae Chapter of Sigma Gamma Rho Sorority, Inc.


Greater Service, Greater Progress


On behalf of the Iota Omicron Sigma Alumnae Chapter of Sigma Gamma Rho Sorority, Incorporated, we are delighted that you chose to visit our web site to learn more about our sorority and our chapter. This site provides a virtual glimpse of who we are and how we embody the spirit of Sigma.

From participating in our national projects and programs to answering the call of our local community, we work diligently to uphold the vision espoused by our illustrious founders through “Greater Service, Greater Progress." Scholarship, coupled with service and sisterhood, combine to create the unwavering strength of our chapter and thus our sorority at large.

Please take a few moments and get to know the ladies of Iota Omicron Sigma! We invite you to join us for community events. We encourage Sorors who may be visiting or residing in or around the West Columbia, South Carolina area to embrace the IOS experience. After viewing our site, if you have additional questions or are interested in membership, please contact us at 

In Service,

Erika D. Williams


Interested in Becoming a Member?

Sigma Gamma Rho Sorority, Incorporated accepts new members on undergraduate and graduate levels. Potential members into the graduate level must have a bachelor's degree from an accredited four-year educational institution and demonstrate community involvement, professionalism, leadership ability, and high moral standards. We encourage you to attend one of our informational sessions, join us in a community service event, and/or drop-in to one of our social events to learn more about our chapter.

  • To contact a Membership Representative in our Southeast Region, please view the Southeast Region's webpage to complete a membership form:
  • To contact our undergraduate chapter at Allen University, please send an e-mail to or visit their Facebook page

*Iota Omicron Sigma Alumnae Chapter abides by the sorority's hazing policy. Hazing is not tolerated in any form.* 

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P.O. Box 7736 Columbia, SC 29202 / 2017