Airgas is named on the 2014 Fortune 500 list of largest US companies by annual revenue – and ranks 42nd overall for the 10-year average total returns to investors.

Airgas has been named to Fortune magazine’s 2014 Fortune 500® list of the largest US companies. The Fortune 500 list is an annual ranking of all US companies by total revenues for their respective fiscal years.

Airgas reported annual revenues of $4.96bn in its fiscal year 2013. The list also highlights Airgas’ 10-year average total return to investors of 19.4% per year, which ranked 42ndamong all Fortune 500 companies.

In 2013, Airgas delivered a total return of 24.7% to investors, according to Fortune.

“The Fortune 500 list includes some of the most successful and respected businesses in the country, and we are proud to be counted among them,” said Michael L. Molinini, Airgas’ President and Chief Executive Officer.

“We are especially pleased to be recognised for our commitment to creating shareholder value over the long-term. Being ranked as one of the top 50 US companies for total return to shareholders during the past decade is a testament to our strong execution of strategic growth initiatives, as well as the hard work and dedication of Airgas associates in serving our customers every day across the country.”

Airgas, founded in 1982 by Executive Chairman Peter McCausland, became a publicly traded company in 1986 and was added to the S&P 500 Index in 2009. Through more than 450 acquisitions, Airgas has become one of the largest industrial gas companies in the US. More than 16,000 associates work in approximately 1,100 locations, including branches, retail stores, gas fill plants, specialty gas labs, production facilities and distribution centers.