In early 2015 the company moved their headquarters from the Pittsburgh suburb of Robinson to nearby Moon Township.

Initially the company manufactured products such as coke fuel in support of the local steel industry.

Owned in part by the Pittsburgh "steel tycoon" J. Hartwell Hillman, Jr.,[4] in 1940 the company began operating a manufacturing plant on Neville Island.

[10] Randy Dearth became Calgon Carbon's CEO in June 2012, after his predecessor John Stanik retired.

The company, which had recently closed a plant in China, reduced their number of products by 45 percent early in the cost-cutting cycle.

[12] As of February 2014 the company sold 50 million pounds of GAC annually to municipalities to be used for treatment of drinking water.

[3] The new building combined the main research laboratory and corporate staff, which had previously been in separate facilities.