ISD Corporation is a leading provider of secure payment management software and solutions for merchants. For over 25 years, I ... SD continues to deliver on its mission to provide best-of-breed software solutions which minimize merchant payment acceptance costs and secure sensitive cardholder data. As a result of its singular focus on the merchant payments market, ISD has built a base of more than 200 brand name customers across several market segments including general and specialty retail, grocery, petroleum, and hospitality. read more