Mastercard Incorporated, a technology company, provides transaction processing and other payment-related products and services in the United States and internationally. The company offers integrated products and value-added services for account holders, merchants, financial institutions, digital partners, businesses, governments, and other organizations, such as programs that enable issuers to provide consumers with credits to defer payments; payment products and solutions that allow its customers to access funds in deposit and other accounts; prepaid programs services; and commercial credit, debit, and prepaid payment products and solutions. It also provides solutions that enable businesses or governments to make payments to businesses, including Virtual Card Number, which is generated dynamically from a physical card and leverages the credit limit of the funding account; a platform to optimize supplier payment enablement campaigns for financial institutions; and treasury intelligence platform that offers corporations with recommendations to enhance working capital performance and accelerate spend on cards. In addition, the company offers Mastercard Send, which partners with digital messaging and payment platforms to enable consumers to send money directly within applications to other consumers; and Mastercard Cross-Border Services enables a range of payment flows through a distribution network with a single point of access to send and receive money globally through various channels, including bank accounts, mobile wallets, cards, and cash payouts. Further, it provides cyber and intelligence solutions; insights and analytics, consulting, marketing, loyalty, processing, and payment gateway solutions for e-commerce merchants; and open banking and digital identity services. The company offers payment solutions and services under the MasterCard, Maestro, and Cirrus name. Mastercard Incorporated was founded in 1966 and is headquartered in Purchase, New York.

Fiserv, Inc., together with its subsidiaries, provides payments and financial services technology services in the United States, Europe, the Middle East and Africa, Latin America, the Asia-Pacific, and internationally. It operates through Merchant Acceptance, Financial Technology, and Payments and Network segments. The Merchant Acceptance segment provides merchant acquiring and digital commerce services; mobile payment services; security and fraud protection products; Clover, a cloud based POS and integrated commerce operating system for small and mid-sized businesses and independent software vendors; and Carat, an integrated operating system for large businesses. This segment distributes through various channels, including direct sales teams, strategic partnerships with agent sales forces, independent software vendors, financial institutions, and other strategic partners in the form of joint venture alliances, revenue sharing alliances, and referral agreement. The Financial Technology segment offers customer deposit and loan accounts, as well as manages an institution's general ledger and central information files. This segment also provides digital banking, financial and risk management, professional services and consulting, check processing, and other products and services. The Payments and Network segment offers card transactions, such as debit, credit, and prepaid card processing and services; funds access, debit payments, cardless ATM access, and surcharge-free ATM network; security and fraud protection products; card production; print services; and various network services, as well as non-card digital payment software and services, including bill payment, account-to-account transfers, person-to-person payments, electronic billing, and security and fraud protection products. It serves merchants, banks, credit unions, other financial institutions, and corporate clients. Fiserv, Inc. was incorporated in 1984 and is headquartered in Milwaukee, Wisconsin.

Global Payments Inc. provides payment technology and software solutions for card, check, and digital-based payments in the Americas, Europe, and the Asia-Pacific. It operates through two segments, Merchant Solutions and Issuer Solutions. The Merchant Solutions segment offers authorization, settlement and funding, customer support, chargeback resolution, terminal rental, sales and deployment, payment security, and consolidated billing and reporting services. This segment also provides an array of enterprise software solutions that streamline business operations of its customers in various vertical markets; and value-added solutions and services, such as point-of-sale software, analytics and customer engagement, payroll and reporting, and human capital management. The Issuer Solutions segment offers solutions that enable financial institutions and retailers to manage their card portfolios through a platform; and commercial payments, account payables, and electronic payment alternatives solutions for businesses and governments. It markets its products and services through direct sales force, trade associations, agent and enterprise software providers, referral arrangements with value-added resellers, and independent sales organizations. The company was founded in 1967 and is headquartered in Atlanta, Georgia.

Shift4 Payments, Inc. provides software and payment processing solutions solutions in the United States and internationally. The company offers payment platform, an omni-channel card acceptance and processing solutions across multiple payment types, including credit, debit, contactless card, Europay, MasterCard and Visa, QR Pay, and mobile wallets, as well as alternative payment methods. It also provides technology solutions, including SkyTab POS to scale business and improve operational efficiency; VenueNext that provides mobile ordering, countertop POS, self-service kiosk, and digital wallet to facilitate food and beverage, merchandise, and loyalty; Lighthouse, a cloud-based suite of business intelligence tools comprises customer engagement, social media management, online reputation management, scheduling and product pricing, as well as extensive reporting and analytics; SkyTab Mobile which offers pay-at-the-table, order-at-the-table, delivery, customer feedback, and email marketing; The Giving Block, a cryptocurrency donation marketplace; Shift4Shop, an ecommerce platform that creates a webstore and tools to manage product catalog, order fulfillment and inventory management, search-engine-optimization, and secure hosting; and Marketplace that enables integrations into third-party applications, as well as loyalty and inventory management. In addition, the company offers gateway, security, tokenization, risk management/underwriting, payment device management, chargeback management, fraud prevention, and loyalty and gift card. Further, it provides merchant underwriting, onboarding and activation, training, risk management, and support services; and software integrations and compliance management, and partner support and services. The company distributes its products through independent software vendors, internal sales and support network, enterprises, and value-added resellers. The company was founded in 1999 and is headquartered in Center Valley, Pennsylvania.

Euronet Worldwide, Inc. provides payment and transaction processing and distribution solutions to financial institutions, retailers, service providers, and individual consumers worldwide. It operates through three segments: Electronic Fund Transfer Processing, epay, and Money Transfer. The Electronic Fund Transfer Processing segment provides electronic payment solutions, including automated teller machine (ATM) cash withdrawal and deposit services, ATM network participation, outsourced ATM and point-of-sale (POS) management solutions, credit and debit and prepaid card outsourcing, card issuing, and merchant acquiring services. It also offers ATM and POS currency conversion, ATM surcharge, advertising, customer relationship management, mobile top-up, bill payment, fraud management, foreign remittance and cardless payout, banknote recycling, and tax-refund services; and integrated electronic financial transaction software solutions for electronic payment and transaction delivery systems. The epay segment distributes and processes prepaid mobile airtime and other electronic payment products; and provides payment processing services for various prepaid products, cards, and services, as well as vouchers and physical gift fulfillment, and gift card distribution and processing services. This segment operates a network of approximately 821,000 POS terminals. The Money Transfer segment offers consumer-to-consumer and account-to-account money transfer, customers bill payment, check cashing, foreign currency exchange, mobile top-up, and cash management and foreign currency risk management services, as well as payment alternatives, such as money orders and prepaid debit cards. The company was formerly known as Euronet Services, Inc. and changed its name to Euronet Worldwide, Inc. in August 2001. Euronet Worldwide, Inc. was founded in 1994 and is headquartered in Leawood, Kansas.

CoreCard Corporation, together with its subsidiaries, offers technology solutions and processing services to the financial technology and services market in the United States, Europe, and the Middle East. It designs, develops, and markets a suite of software solutions to program managers, accounts receivable businesses, financial institutions, retailers, and processors to manage their credit and debit cards, prepaid cards, private label cards, fleet cards, buy now pay later programs, loyalty programs, and accounts receivable and loan transactions. The company's software solutions allow companies to offer various types of transacting account or card issuing program, as well as installment and revolving loans; set up and maintain account data; record advances and payments; assess fees, interests, and other charges; resolve disputes and chargebacks; manage collections of accounts receivable; generate reports; and settle transactions with financial institutions and network schemes. The company was formerly known as Intelligent Systems Corporation and changed its name to CoreCard Corporation in December 2021. CoreCard Corporation was founded in 1973 and is headquartered in Norcross, Georgia.

Usio, Inc., together with its subsidiaries, provides integrated electronic payment processing services to merchants and businesses in the United States. The company offers various types of automated clearing house (ACH) processing; and credit, prepaid card, and debit card-based processing services. Its ACH transaction processing services include Represented Check and Check Conversion for electronic payment facilitation. In addition, the company offers merchant account services for the processing of card-based transactions through the VISA, MasterCard, American Express, Discover, and JCB networks, including online terminal services accessed through a website or retail services accessed through a physical terminal. Further, it provides a proprietary web-based customer service application that allows companies to process one-time and recurring payments through e-checks or credit cards; and an interactive voice response telephone system to companies, which accept payments directly from consumers over the telephone using e-checks or credit cards. Additionally, the company offers prepaid and incentive card issuance services; and operates a prepaid core processing platform, as well as provides additional services, such as electronic bill presentment, document composition, document decomposition, and printing and mailing services for various industry verticals, including utilities and financial institutions. It markets and sells ACH products and services primarily through resellers; and prepaid card program directly to government entities, corporations, and to consumers through the internet. The company was formerly known as Payment Data Systems, Inc. and changed its name to Usio, Inc. in June 2019. Usio, Inc. was incorporated in 1998 and is headquartered in San Antonio, Texas.

AppTech Payments Corp., a financial technology company, provides electronic payment processing technologies and merchant services in the United States. Its merchant transaction services offer processing payments for credit and debit cards through point-of-sale equipment, e-commerce gateways, periodic automatic clearing house payments, and gift and loyalty programs. The company also offers integrated solutions for frictionless digital and mobile payment acceptance, as well as multi-use case, multi-channel, API-driven, and account-based issuer processing for card, digital tokens, and payment transfer transaction services; hosted ecommerce checkout, a flexible payment gateway; and text payment technology, alternative payment methods (APMs), and contactless payments. In addition, it provides FinZeo, a fintech platform. The company was formerly known as AppTech Corp. AppTech Payments Corp. was incorporated in 1998 and is headquartered in Carlsbad, California.