The third largest merchant acquirer worldwide, Worldpay, has more domestic acquiring licenses than any of its competitors and ranks first in processing card payments in the travel industry. The company’s global footprint is particularly attractive to international airlines. More than 130 airlines are Worldpay customers. Worldpay has partnered with Mastercard to offer travel agents a virtual card they can use to pay airlines, hotels and car rental companies. While virtual cards have been available to online travel agencies from card issuers as well as acquirers and payment service provider...