Special Discounts on Geico Insurance Exclusively for Sigma Delta Pi Members Posted on October 12, 2018 by Sigma Delta Pi / La Sociedad Honoraria de la Lengua Española in Geico Insurance, Member Benefits Related Published by Sigma Delta Pi / La Sociedad Honoraria de la Lengua Española View all posts by Sigma Delta Pi / La Sociedad Honoraria de la Lengua Española