5 Biggest Connecticut Companies and Stocks

4. Pratt & Whitney

Total revenue (in billions): $18.2

Total market cap (in billions): N/A

A subsidiary of Raytheon Technologies Corporation (NYSE:RTX), Pratt & Whitney has net sales of $18.2 billion, according to the latest annual report of Raytheon Technologies Corporation (NYSE:RTX). Pratt & Whitney manufactures the F135 engine, which is the world’s most advanced fighter engine which is used to power all F-35 Lightning II variants. The company has also been selected by Switzerland and Finland to deliver more than 100 jet engines combined.