Checks SuperStore: One stop shopping for all your checks accessories. As one of the largest online check suppliers, we are passionate about offering the best check collection found anywhere. With over 30 years of printing experience, you will be joining one of today's most experienced companies in the business. We work with and support websites of all sizes. Are you a super affiliate? Are you just beginning? At Checks SuperStore, we understand every aspect of check sales and marketing. The Checks Superstore affiliate program is Pprofessionally managed by Schaaf-PartnerCentric. If questions, please contact us at : checkssuperstore@partnercentric.com. If you are successful, so are we.