PaymentSpring, a Nelnet company, is one of the premier payment processors in the United States, managing billions of dollars in transaction volume annually and serving businesses and organizations of all types, including:Education (tuition, events, bookstores, etc.) Nonprofits (fundraisers, giving days, sustained donations, events/mobile donation drives, etc.) Software companies with integrated payments Website and app builders Online, in-person and on-the-go businesses of all types