CalStar Competitors

Holcim has the vision to be the leading partner for sustainable construction. With net sales of CHF 15.7 billion in 2025, we create value across the built environment from infrastructure and industry to buildings. Headquartered in Zug, Switzerland, Holcim has more than 50 000 employees in 45 countries – across Europe, Latin America and Asia, Middle East & Africa – and has been recognized as a Global Top Employer by the Top Employers Institute. Holcim offers high-value end-to-end Building Materials and Building Solutions, from foundation and flooring to walling and roofing – powered by premium brands including ECOPact, ECOPlanet, ECOCycle, and Ytong.

Cemex is a global industry leader in producing and supplying cement, aggregates, ready-mix concrete, and urbanization solutions. We’re driving innovation further to solve the world’s building challenges and help the world reach the next frontier of sustainable living. #BuildingABetterFuture

Knauf Insulation is one of the world’s largest manufacturers of insulation products and solutions. With 30 years of experience in the industry, we represent one of the fastest growing and most respected names in insulation worldwide. We employ over 5.000 employees in more than 35 countries and more than 30 manufacturing sites, with a strong and steady financial performance with turnover of well in excess of €1.3 billion in 2013. Our business is energy efficiency. At every level – from policymakers to homemakers – Knauf Insulation is dedicated to keeping the issue of energy-efficiency and sustainable buildings center stage