The following list features vendors approved by Sigma for meeting our quality standards and reflecting our brand values. These vendors are chosen for their reliability, excellence, and commitment to our brand integrity. Sisters can trust in accessing authentic Sigma products and experiencing superior quality by partnering with these approved vendors.

Sigma Swag

This print-on-demand store directly supports our Alum Association which is recognized as a public charity under section 501(c)(3) of the Internal Revenue Code. A portion of the proceeds from each purchase funds annual scholarships and other initiatives that align with our mission. While quality may vary, the platform offers a 30-day return policy for your satisfaction.