Visa Inc. operates as a payment technology company in the United States and internationally. The company operates VisaNet, a transaction processing network that enables authorization, clearing, and settlement of payment transactions. It also offers credit, debit, and prepaid card products; tap to pay, tokenization, and click to pay services; Visa Direct, a solution that facilitates the delivery of funds to eligible cards, bank accounts, and digital wallets; Visa B2B Connect, a multilateral business-to-business cross-border payments network; Visa Cross-Border Solution, a cross-border consumer payments solution; and Visa DPS that provides a range of value-added services, including fraud mitigation, dispute management, data analytics, campaign management, a suite of digital solutions, and contact center services. The company also provides acceptance solutions, which include Cybersource and Authorize.net that provides new and enhanced payment integrations with ecommerce platforms, enabling sellers and acquirers to offer tailored commerce experiences; risk and identity solutions, such as Visa Advanced Authorization, Visa Secure, Visa Consumer Authentication Service, Visa Protect Authentication Intelligence, and Visa Provisioning Intelligence; and Visa Consulting and Analytics, a payment consulting advisory services. It provides its services under the Visa, Visa Electron, Interlink, V PAY, and PLUS brands. The company serves merchants, financial institutions, and government entities. Visa Inc. was founded in 1958 and is headquartered in San Francisco, California.

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.

PayPal Holdings, Inc. operates a technology platform that enables digital payments on behalf of merchants and consumers worldwide. It operates a two-sided network at scale that connects merchants and consumers that enables its customers to connect, transact, and send and receive payments through online and in person, as well as transfer and withdraw funds using various funding sources, such as bank accounts, PayPal or Venmo account balance, PayPal and Venmo branded credit products comprising its installment products, credit and debit cards, and cryptocurrencies, as well as other stored value products, including gift cards and eligible rewards. The company provides payment solutions under the PayPal, PayPal Credit, Braintree, Venmo, Xoom, Zettle, Hyperwallet, Honey, and Paidy names. The company was founded in 1998 and is headquartered in San Jose, California.

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.

Paymentus Holdings, Inc. provides cloud-based bill payment technology and solutions in the United States and internationally. The company offers electronic bill presentment and payment services, enterprise customer communication, and self-service revenue management to billers through a software-as-a-service technology platform. Its platform's payment processing includes credit cards, debit cards, eChecks, and digital wallets. It serves utility, financial service, government, insurance, telecommunication, real estate management, education, consumer finance, healthcare, and small business industries. The company was founded in 2004 and is headquartered in Charlotte, North Carolina.

Priority Technology Holdings, Inc. operates as a payment technology company in the United States. The company operates through three segments: Small and Medium-Sized Businesses (SMB) Payments, Business-To-Business (B2B) Payments, and Enterprise Payments. It offers SMB payments processing solutions for B2C transactions through independent sales organizations, financial institutions, independent software vendors, and other referral partners through its MX product suite, which includes MX Connect and MX Merchant products, such as MX Insights, MX Storefront, MX Retail, MX Invoice, MX B2B and ACH.com, and others, which provides flexible and customizable set of business applications that helps to manage critical business work functions and revenue performance to resellers and merchant clients using core payment processing. The company also offers CPX, a platform that offers accounts payable automation solutions, including virtual card, purchase card, ACH +, dynamic discounting, or check. In addition, it provides curated managed services; payment-adjacent technologies to facilitate the acceptance of electronic payments from customers; and Plastiq payables management software, which helps businesses in improving cash flow with instant access to working capital. Further, the company offers embedded finance and BaaS solutions to enterprise customers to modernize legacy platforms and accelerate software partners' strategies to monetize payments; and managed services solutions that provide audience-specific programs for institutional partners and other third parties; and consulting and development solutions. It serves SMB, and enterprises, as well as distribution partners, including retail and wholesale independent sales organizations, financial institutions, and independent software vendors. The company was founded in 2005 and is headquartered in Alpharetta, Georgia.

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.