1. Microsoft Corporation Leading in software, cloud computing, and services with products like Windows, Office, Azure, and LinkedIn. Market cap: $3.365 trillion.
2. Apple Inc. Apple, the tech giant famous for its iPhones, iPads, Mac computers, and software services, holds a market capitalization of $3.283 trillion.
3. NVIDIA Corporation NVIDIA is a leading technology firm recognized for its GPUs and AI innovations, boasting a market cap of $3.049 trillion.
4. Alphabet Inc. (Google) Parent company of Google, focusing on internet services, advertising technologies, and innovative projects like Waymo and Verily. Market cap: $2.299 trillion.
5. Amazon.com Inc. E-commerce giant offering a variety of products and services such as AWS, Kindle, and streaming services. Market cap: $2.058 trillion.