The Global Blended Portland-Slag Cement Market was valued at US$ 31.5 Billion in 2023 and is projected to reach US$ 45.2 Billion by 2029, growing at a Compound Annual Growth Rate (CAGR) of 5.8% during the forecast period (2024–2029). This robust growth is fueled by rapid urbanization, massive infrastructure development projects worldwide, and the accelerating demand for sustainable construction materials that offer enhanced durability and a lower carbon footprint.

As the construction industry pivots towards eco-friendly building practices and circular economy principles, the focus intensifies on the key manufacturers who are innovating in material science and production efficiency. In this blog, we profile the Top 10 Companies in the Blended Portland-Slag Cement Industry—a group of global giants and regional leaders shaping the future of sustainable construction.

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🔟 1. LafargeHolcim

Headquarters: Zurich, Switzerland
Key Offering: Ecolabeled Blended Cements, High-Performance Slag Cements

LafargeHolcim is the world’s largest cement manufacturer, with a formidable presence across the blended cement segment. The company leverages its global production network to supply a wide range of slag-blended cements, which are integral to its sustainability strategy, offering products with up to 50% lower CO2 emissions compared to ordinary Portland cement.

Sustainability Initiatives:

• Goal to reach 40% CO2 reduction per ton of cementitious material by 2030

• Pioneering the use of calcined clay and other alternative raw materials

• Global leader in developing and marketing low-carbon cement solutions

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9️⃣ 2. HeidelbergCement

Headquarters: Heidelberg, Germany
Key Offering: Slag Cement Blends, EcoCrete

HeidelbergCement is a leading global building materials company, with a strong focus on innovative and sustainable products. Its blended cements, incorporating granulated blast furnace slag, are designed for high-performance applications in demanding environments, from marine structures to high-rise buildings.

Sustainability Initiatives:

• Committed to offering carbon-neutral concrete by 2050

• Significant investments in carbon capture, utilization, and storage (CCUS) technologies

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8️⃣ 3. CEMEX

Headquarters: Monterrey, Mexico
Key Offering: Vertua® Low-Carbon Blended Cements

CEMEX is a global leader in the building materials industry, renowned for its innovative Vertua® product line. These blended cements use industrial by-products like slag to significantly reduce the clinker factor, resulting in a lower environmental impact without compromising on performance.

Sustainability Initiatives:

• Aiming for a 40% reduction in CO2 emissions by 2030

• Focus on circular economy through the use of alternative raw materials and fuels

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7️⃣ 4. CRH plc

Headquarters: Dublin, Ireland
Key Offering: Blended Cements for Infrastructure and Residential Sectors

CRH is a leading diversified building materials group with a significant footprint in the Americas and Europe. The company produces a wide array of blended Portland-slag cements tailored for specific regional requirements and applications, from pre-cast elements to massive foundations.

Sustainability Initiatives:

• Targeting a 30% reduction in CO2 intensity by 2030

• Active in developing sustainable construction solutions and promoting resilient infrastructure

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6️⃣ 5. Buzzi Unicem

Headquarters: Casale Monferrato, Italy
Key Offering: Buzzi Certified Blended Cements

Buzzi Unicem, operating through its subsidiary Cementia, is a major producer of cement and blended cements in Europe and the United States. The company has deep expertise in utilizing slag to produce cements with excellent long-term strength and sulfate resistance.

Sustainability Initiatives:

• Commitment to reducing specific net CO2 emissions by 2025

• Implementation of energy efficiency programs across all production plants

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5️⃣ 6. Taiheiyo Cement Corporation

Headquarters: Tokyo, Japan
Key Offering: Eco-Cement, Blended Slag Cements

Taiheiyo Cement is Japan’s leading cement manufacturer, with a strong focus on environmental technologies. The company’s Eco-Cement, which incorporates recycled materials and slag, is a testament to its commitment to sustainable development and resource efficiency.

Sustainability Initiatives:

• Development of technologies for effective use of industrial by-products

• Active participation in global initiatives for carbon neutrality in the cement sector

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4️⃣ 7. UltraTech Cement Ltd.

Headquarters: Mumbai, India
Key Offering: Portland Slag Cement (PSC), Green Building Solutions

UltraTech Cement, part of the Aditya Birla Group, is India’s largest cement producer and a significant global player. Its Portland Slag Cement (PSC) is highly regarded for its durability and is widely used in massive concrete structures, marine works, and industrial construction.

Sustainability Initiatives:

• Leadership in water positivity and waste heat recovery systems

• Committed to increasing the use of alternative fuels and raw materials

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3️⃣ 8. JK Cement

Headquarters: Kanpur, Uttar Pradesh, India
Key Offering: JK Super Cement (PSC), Grey & White Cement

JK Cement is a renowned name in the Indian cement industry, known for its high-quality Portland Slag Cement. The company has a strong distribution network and a reputation for producing cement that offers superior resistance to chlorides and sulfates, making it ideal for coastal and aggressive environments.

Sustainability Initiatives:

• Focus on energy conservation and environmental protection

• Implementation of clean development mechanism (CDM) projects

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2️⃣ 9. Votorantim Cimentos

Headquarters: São Paulo, Brazil
Key Offering: Blended Cements for Americas and Europe

Votorantim Cimentos is one of the largest cement companies in the Americas, with operations spanning North and South America, Europe, Africa, and Asia. The company produces a diverse portfolio of blended cements, utilizing slag to enhance performance and sustainability.

Sustainability Initiatives:

• Strong commitment to the circular economy and climate change mitigation

• Targets for reducing carbon intensity and increasing co-processing of waste

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1️⃣ 10. Dangote Cement Plc

Headquarters: Lagos, Nigeria
Key Offering: 42.5 Grade Blended Cement

Dangote Cement is Africa’s leading cement producer, with a pan-continental manufacturing and supply chain. The company produces high-strength blended cements that cater to the massive infrastructure development needs across the continent, focusing on durability and cost-effectiveness.

Sustainability Initiatives:

• Investing in alternative fuel projects to reduce reliance on fossil fuels

• Focus on local community development and environmental stewardship

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Blended Portland-Slag Cement Market – View in Detailed Research Report

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🌍 Outlook: The Future of Blended Portland-Slag Cement Is Resilient and Green

The blended Portland-slag cement market is experiencing a fundamental transformation. While traditional ordinary Portland cement remains widely used, the industry is increasingly investing in low-carbon formulations, advanced grinding technologies, and supply chain optimizations to meet global sustainability targets.

📈 Key Trends Shaping the Market:

• Stringent government regulations promoting green building codes and carbon taxation

• Growing adoption of blended cements in mega-infrastructure projects for enhanced durability

• Increased utilization of industrial by-products, supporting the circular economy

• R&D focus on next-generation blends with higher slag content and novel supplementary materials

Get Full Report Here:
Blended Portland-Slag Cement Market – View in Detailed Research Report

Download FREE Sample Report:
Blended Portland-Slag Cement Market – View in Detailed Research Report

The companies listed above are not only building the world’s infrastructure—they are constructing the foundation for a more sustainable and resilient built environment.