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Licensed Vendors

Visit to purchase individual or bulk items from our Affinity partners.

Sigma Delta Tau is the exclusive owner of its trademarks. In order to safeguard the appropriate use of our federally registered trademarks and to guarantee quality products, Sigma Delta Tau is one of many organizations that have entered into a trademark licensing agreement with Affinity Consultants. All commercial use of Sigma Delta Tau’s trademarks must be administered through a license agreement with Sigma Delta Tau. All sorority merchandise must be purchased through a licensed vendor. Make sure to look for the Official Licensed Product seal on vendor websites. No seal, no deal. If you would like more information on how to become a licensed vendor for SDT, please email

To shop for official Sigma Delta Tau products, visit our entire list of licensed vendors. Here you can access a national network of vendors and get multiple quotes for your custom order needs. When shopping for Sigma Delta Tau merchandise, look for this logo:





Official Jeweler

Herff Jones is the official jeweler for Sigma Delta Tau. They have a large selection of jewelry featuring the organizations letters and symbols.


Sweet Celebrations

The Sigma Delta Tau Foundation has partnered with Sweet Seidner’s Bake Shop to offer parents and alumnae the opportunity to send sweet treats throughout the year with a percentage of the sales benefiting the Sigma Delta Tau Foundation.

Partnership Discount

Did you know Sigma Delta Tau sisters may be eligible for a special discount on your auto policy? SDT’s partnership with GEICO gives you the benefit of great rates on auto, homeowners, renters, condo/co-op and boaters insurance. Get a free quote!