What are the main benefits of money transfers by MoneyGram? Availability - MoneyGram payment system services are available everywhere, in more than 186 thousand locations in 190 countries. If you need to cancel or change a transaction, then you should contact by telephone with the MoneyGram branch agent, made the transaction for you. Until 2004, the owners of MoneyGram were Viad Corp and Travelers Express Company Inc. The benefits of money transfers by MoneyGram: the transfer is available in the system to obtain within 90 days.