Holcim (US) Inc. is headquartered in Waltham, MA. Holcim is one of the largest manufacturers and suppliers of cement and mineral components in the United States. In addition to Portland cements, Holcim produces fly ash and slag cement products, such as GranCem(R) cement, to enhance concrete performance. Holcim also makes blended and masonry cements in a wide variety of colors.
Holcim is one of the world’s leading suppliers of cement, aggregates and concrete. Holcim Group Support (Canada) Ltd offers a complete range of engineering services specifically tailored for Holcim Group companies worldwide.
Merkrete Systems has been an industry leader in waterproofing and crack isolation membranes, underlayments, and setting materials for ceramic tile and stone installations worldwide including some of the most technically demanding applications by providing product reliability and customer satisfaction since 1971.
The Zinsser Brand manufactures and markets a comprehensive line of high-performance primers, wallcovering installation and removal products, interior wood finishes, exterior wood care products, concrete and masonry products, decorative finishes and products for the long-term prevention of mold and mildew.
W. R. MEADOWS delivers one of the broadest lines of premium-grade construction products available to architects, engineers, contractors, and building owners to meet a multitude of construction application needs. Our extensive line of high performance, premium-grade construction products has been developed for use in, on, around, and under concrete.