Microsoft
Microsoft Corporation is an American multinational technology corporation that produces computer software, consumer electronics, personal computers, and related services headquartered at the Microsoft Redmond campus located in Redmond, Washington, United States.
Amazon Web Services
Amazon Web Services (AWS), a subsidiary of Amazon, offers on-demand cloud computing platforms and APIs for individuals, companies, and governments. AWS provides scalable services for computing, storage, networking, IoT, and more.
Google LLC, a multinational tech company, focuses on online advertising, search, cloud computing, AI, and more. Its parent company, Alphabet Inc.