Berkshire Hathaway

PayPal

Global online payments system supporting online money transfers and serving as an electronic alternative to traditional paper methods. Enables secure payments, money transfers, and digital wallet services worldwide.

United States

Fiserv

Global provider of financial services technology including account processing, digital banking, and payment solutions. Serves banks, credit unions, and merchants with comprehensive financial technology infrastructure.

United States

FIS

Leading provider of technology solutions for merchants, banks, and capital markets firms globally. Delivers banking software, payment processing, wealth management, and risk compliance solutions at enterprise scale.

United States