Here are US Top 7 Companies by Market Cap (Stocks Listed on NASDAQ Stock Market). Most of these Biggest / Largest Companies are in IT, Technology, Finance and Electronics Business.
Apple Inc – Ranking: 1 – Business: Smartphone, Tablet, Laptop, PC, Smart Watch, Wearables and Accessories, Music products. – Listed in NASDAQ and NYSE as: AAPL – Market Cap in Billion US Dollar: 2,510
Microsoft Corporation – Ranking: 2 – Business: Software, Windows Operating System, CRM Applications, Bing Search Engine, Technology Solutions, Cloud Computing. – Listed in NASDAQ and NYSE as: MSFT – Market Capitalization in Billion US Dollar: 2,268
ALPHABET Inc – Ranking: 3 – Business: Parent company of Google Search Engine, Technology, Investment Capital, Cloud Computing. – Listed in NASDAQ and NYSE as: GOOG – Market Cap in Billion US Dollar: 1,933
Tesla Inc – Ranking: 6 – Business: Electric Automobile, Solar Panel, Energy Storage Products, Battery Cells. – Listed in NASDAQ and NYSE as: TSLA – Market Capitalization in Billion US Dollar: 736
Berkshire Hathaway – Ranking: 7 – Business: Investment in Stocks, Property and Real Estate, Insurance and Utilities, Food and Restaurant, Aerospace, Automotive, Media, Toys and Sporting goods, Consumer Electronics – Listed in NASDAQ and NYSE as: BKR/A – Market Cap in Billion US Dollar: 646