High Quality Content by WIKIPEDIA articles! Ingersoll-Rand plc (NYSE: IR) is a $13 billion global diversified industrial company founded in 1871. The Ingersoll Rand name came into use in 1905 through the combination of Ingersoll-Sergeant Drill Company and Rand Drill Company. Ingersoll Rand used to be part of the S&P 500 (one of the 13 companies in that index that is incorporated outside the U.S.), but was replaced by Quanta Services in June 2009. Its corporate headquarters are in the Airside Business Park in Swords, Fingal, County Dublin, Ireland.