iPayment is one of the fastest-growing providers of credit and debit card-based payment processing services to small merchants. The company has provided its services to more than 100,000 small merchants throughout the United States, most of which do less than $250,000 in charge volume per year. Its payment processing services enable merchants to process both traditional card-present (swipe) transactions as well as card-not-present transactions. In addition, its processing services include evaluation and acceptance of card numbers, detection of fraudulent transactions, receipt and settlement of funds, services and support. The company s agent services include application evaluations, risk management, merchant support and reporting. Headquartered in Nashville, Tenn., iPayment also has an office in Calabasas, Calif.