Holcim (US) Inc. is a subsidiary of Holcim Ltd. of Switzerland. With majority and minority interests in over 70 countries on all continents, Holcim Ltd. is one of the world's leading suppliers of cement, as well as aggregates (gravel and sand), concrete, and construction-related services.

Martin Marietta Materials, Inc. is a producer of aggregates for the construction industry, including infrastructure, commercial, agricultural, and residential. The segments of the Company include the Mideast Group, Southeast Group, and West Group, collectively the Aggregates business, and... more

Wienerberger is the world's largest producer of bricks and number 2 on the roofing market in Europe with a total of 234 plants in 24 countries.

Siam City Cement Public Company Limited, headquartered in Bangkok, Thailand, is a producer and distributor of cement. The Company provides cement and mortar products. It markets its products under the brand name Insee, including Insee Tong, Insee Dang, Insee Petch and Insee Dum. The... more