Diners Club Logo

Diners Club International Ltd. (DCI), founded as Diners Club, is a charge card company owned by Capital One. Formed in 1950 by Frank X. McNamara, Ralph Schneider (1909–1964), Matty Simmons, and Alfred S. Bloomingdale, it was the first independent payment card company in the world, successfully establishing the financial card service of issuing travel and entertainment (T&E) credit cards as a viable business. Diners Club International and its franchises serve members globally, with acceptance in over 200 countries and territories. As of 2024–2025, the network includes more than 55 card issuers operating in approximately 45 countries.