After the correction of tariffs, volumes of MoneyGram transfers increased by 30%. Since going public two and a half years ago, MoneyGram has made great strides by pouring energy and resources into several critically important areas for business. The main clients of MoneyGram are students, travelers, immigrants, expatriates, however, recently representatives of businesses who appreciate the advantages of fast and reliable money transfer, joined them. Until 2004, the owners of MoneyGram were Viad Corp and Travelers Express Company Inc. MoneyGram point-of-sale systems are continually upgraded to provide the latest new products and functionality. In March 2012, the company MoneyGram merged with the network of U.S. payment centers ZipZap.