What do you use to build a modern colossus? Cement, of course. LafargeHolcim (formerly Holcim) is the world's largest cement maker with an annual production capacity of nearly 400 million tons. The company operates in some 90 countries around the world, providing cement, concrete, asphalt, and aggregates for use in housing, infrastructure, and oil & gas wells, among other projects. It also offers research, import/export trading, consulting, and management services for the construction industry. The company was created in 2015 with the merger of rivals Holcim, based in Switzerland, and Lafarge, based in France.