Valero/Diamond Shamrock is the world's largest independent gasoline refiner. They own 350,000 stores throughout the US under the Valero and Diamond Shamrock name. They have a proprietary credit card for Valero and Diamond Shamrock. Statement offers go to the DSRM National Bank cardholders, all of which either hold a Valero credit card or a Diamond Shamrock credit card, depending on what brand is prevalent in their area.

This is a viable channel for those advertisers wishing to target credit worthy consumers. It is mailed first class with an implied 100% opening rate to a name list. Insert opportunities are limited to two or three advertisers, so there is very little clutter. An added benefit of statement mailings is that advertisers receive the implied endorsement of the issuer.