3Delta Systems has been acquired by WEX - this page is no longer active - for updates please follow WEX Corporate Payments. 3Delta Systems® (3DSI), founded in 1999, is a leader in payment solutions whose innovative, Internet-based systems for processing credit cards and purchase cards deliver peace of mind to B2B, B2C and B2G customers by increasing their productivity, cutting operating costs, lowering business risk and strengthening security. 3DSI’s complete suite of payment solutions are designed to be scalable, easy to implement and conform with PCI DSS best practices so that merchants and buyers can manage, authorize and settle credit card and p-card transactions in real time. 3Delta Systems processes more than 22 million transactions annually worth over $19 billion for more than 10,000 merchant accounts and 30,000 users who handle corporate and government payments. 3DSI offers merchants a variety of fully hosted Internet-based payment systems and is the first to commercialize a credit card tokenization service, CardVault®. These products are offered to small-to-large market firms and government entities, with volumes ranging from 20 to over 100,000 transactions per month, and are designed from the ground up to provide Level-3 line item detail (for B2B customers). 3DSI also develops and offers services to assist organizations with all their purchase card program needs. 3DSI's payment solutions are available through various channels including: - Direct from 3DSI - Resold through a network of certified merchant payment processors - Resold through Independent Sales Organizations (ISOs)