Jamie Gentoso

Holcim (US), Inc. manufactures and supplies cement and mineral components. The company is headquartered in Chicago, IL.

Construction Specialties, Inc. engages in the manufacture of specialty building products. Its products include wall protection. Wall covering and panels, doors, entrance matts and grids, expansion joint covers, architectural louvers, architectural grilles and vision barriers, sun controls, fire and smoke vents, explosion and pressure relief vents, and cubicle curtains and tracks. The company was founded by Edward C. Hallock and Mary Ellen Hallock in 1948 and is headquartered in Lebanon, NJ.

Sika Corp. supplies specialty chemical products and industrial materials for the construction industry markets including transportation, marine and automotive. Its product include concrete admixtures, specialty mortars, epoxies, structural strengthening systems, industrial flooring, sealants, adhesives, specialty acoustic and reinforcing materials. The company was founded in 1937 by Kaspar Winkler and is headquartered in Lyndhurst, NJ.

Lafarge North America, Inc. engages in the manufacture and distribution of construction materials. The firm's products include cement, ready-mixed concrete, gypsum wallboard, aggregates, asphalt, concrete pipes, and blocks. The company was founded in 1983 and is headquartered in Chicago, IL.