TDK Global

Sony Corporation is a Japanese multinational conglomerate corporation headquartered in Kōnan, Minato, Tokyo. Its diversified business includes consumer and professional electronics, gaming, entertainment and financial services.

PayPal Holdings, Inc. is an American company operating a worldwide online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like cheques and money orders. The company operates as a payment processor for online vendors, auction sites, and other commercial users, for which it charges a fee in exchange for benefits such as one-click transactions and password memory.

Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services. The company's hardware products include the iPhone smartphone, the iPad tablet computer, the Mac personal computer, the iPod portable media player, the Apple Watch smartwatch, the Apple TV digital media player, and the HomePod smart speaker.

International Business Machines Corporation (IBM) is an American multinational information technology company headquartered in Armonk, New York, United States, with operations in over 170 countries. The company began in 1911 as the Computing-Tabulating-Recording Company (CTR) and was renamed "International Business Machines" in 1924. IBM manufactures and markets computer hardware, middleware and software, and provides hosting and consulting services in areas ranging from mainframe computers to nanotechnology.

Alphabet is a multinational conglomerate that serves as the parent company of Google and several other subsidiaries. It was created in 2015 as a restructuring of Google, with the goal of making the various parts of the company more manageable and allowing them to operate more independently. The company is led by CEO Sundar Pichai and is headquartered in Mountain View, California.

Microsoft Corporation (, abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington. It develops, manufactures, licenses, supports and sells computer software, consumer electronics, personal computers, and related services. Its best known software products are the Microsoft Windows line of operating systems, the Microsoft Office suite, and the Internet Explorer and Edge web browsers.