The Global Trench Grate Market was valued at USD 1.42 Billion in 2025 and is projected to reach USD 2.54 Billion by 2034, growing at a Compound Annual Growth Rate (CAGR) of 6.7% during the forecast period (2024–2034). This robust growth is fueled by accelerating global urbanization, significant infrastructure development investments, and the increasing need for effective stormwater management systems across commercial, industrial, and public sectors.

As cities expand and modernize their infrastructure to be more resilient and sustainable, the focus intensifies on the manufacturers supplying the critical components that ensure safety and functionality. In this blog, we profile the Top 10 Companies in the Trench Grate Industry—a group of global leaders and specialized innovators who are engineering the drainage solutions that support modern urban landscapes.

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🔟 1. Neenah Foundry Company

Headquarters: Neenah, Wisconsin, USA
Key Offering: Ductile Iron Trench Grates, Cast Iron Grates, Custom Fabrication

Neenah Foundry is a premier manufacturer of cast iron and ductile iron trench grates, with a history spanning over 140 years. The company serves a wide array of markets, including municipal, transportation, and industrial sectors, providing products known for their exceptional durability, high load-bearing capacity, and compliance with rigorous ASTM standards.

Innovation and Sustainability Initiatives:

• Investment in advanced molding and casting technologies for precision manufacturing.

• Focus on producing durable, long-lifecycle products to reduce replacement frequency and environmental impact.

• Development of gratings tailored for specific applications like heavy-duty industrial floors and architectural landscapes.

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9️⃣ 2. ACO Industries

Headquarters: Büdelsdorf, Germany
Key Offering: Polymer Concrete Trench Drains, Stainless Steel Grates, Channel Drainage Systems

ACO Industries is a global leader in surface drainage technology, offering a comprehensive range of trench grate systems. The company is recognized for its high-quality polymer concrete channels and corrosion-resistant gratings, which are ideal for demanding environments in the food and beverage, pharmaceutical, and chemical industries.

Innovation and Sustainability Initiatives:

• Pioneering the use of polymer concrete for its chemical resistance and lightweight properties.

• Integration of design-focused grates for aesthetic applications in public spaces and architecture.

• Commitment to sustainable manufacturing processes and water management solutions.

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8️⃣ 3. Zurn Industries, LLC

Headquarters: Milwaukee, Wisconsin, USA
Key Offering: Zurn Trench Drains, Specified Grates, Architectural Drainage

Zurn Industries, a brand of Zurn Elkay Water Solutions, is a key player in the water management sector, providing engineered trench drain systems for commercial, institutional, and industrial buildings. Their products are specified for their reliability, performance, and adherence to building codes.

Innovation and Sustainability Initiatives:

• Development of integrated drainage solutions that contribute to water efficiency and building sustainability.

• Offering a wide range of grate materials and styles to meet both functional and design requirements.

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7️⃣ 4. Webforge

Headquarters: Perth, Australia
Key Offering: Heavy-Duty Steel Grating, Trench Covers, Safety Flooring

Webforge is a leading manufacturer of metal gratings and trench covers, with a strong presence in the Asia-Pacific region. The company specializes in products for mining, industrial, and infrastructure projects, known for their strength and ability to withstand extreme conditions.

Innovation and Sustainability Initiatives:

• Expertise in manufacturing gratings from materials like galvanized steel and aluminum for specific environmental challenges.

• Focus on workplace safety through anti-slip and heavy-load grating designs.

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6️⃣ 5. Jonite

Headquarters: Singapore
Key Offering: Reinforced Stone Grates, Decorative Trench Grilles

Jonite has revolutionized the trench grate market with its patented reinforced stone grates. These products combine the aesthetic appeal of natural stone with the structural strength of reinforced composites, making them a popular choice for high-end architectural, hospitality, and landscape projects worldwide.

Innovation and Sustainability Initiatives:

• Unique composite technology that offers design flexibility and durability.

• Focus on creating visually appealing drainage solutions that blend seamlessly with architectural designs.

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Trench Grate Market – View in Detailed Research Report

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5️⃣ 6. AMICO (Alabama Metal Industries Corporation)

Headquarters: Birmingham, Alabama, USA
Key Offering: Steel Bar Grating, Safety Grating, Trench Grates

AMICO is a major North American manufacturer of steel and aluminum bar grating, serving the industrial, commercial, and architectural markets. The company’s trench grates are specified for their quality, consistency, and ability to meet a wide range of load requirements.

Innovation and Sustainability Initiatives:

• Utilization of high-strength steel alloys to create lighter, yet stronger, grating solutions.

• Provision of custom fabrication services to meet precise project specifications.

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4️⃣ 7. Crescent Foundry

Headquarters: Kolkata, India
Key Offering: Cast Iron Gully Gratings, Manhole Covers, Ductile Iron Products

Crescent Foundry is one of India’s largest manufacturers of cast iron and ductile iron products, including a comprehensive range of trench and gully gratings. The company has a significant market share in South Asia and exports to over 40 countries, catering primarily to municipal and infrastructure development.

Innovation and Sustainability Initiatives:

• Investment in advanced foundry technology to improve product quality and production efficiency.

• Strong focus on supplying cost-effective, durable solutions for rapid urbanization projects in emerging economies.

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3️⃣ 8. MEA Group

Headquarters: Hessisch Lichtenau, Germany
Key Offering: Stainless Steel Trench Drains, Slot Drains, Linear Drainage Systems

MEA Group is a leading European specialist in stainless steel drainage systems. The company is renowned for its high-precision, hygienic trench drains used in food processing, commercial kitchens, and premium architectural applications where corrosion resistance and cleanability are paramount.

Innovation and Sustainability Initiatives:

• Specialization in slot drain systems that offer a minimalist aesthetic and high performance.

• Emphasis on products that support hygiene and ease of maintenance in critical environments.

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2️⃣ 9. Trench Drain Systems Inc.

Headquarters: Fort Wayne, Indiana, USA
Key Offering: Prefabricated Trench Drain Systems, Fiberglass Grates, Custom Solutions

Trench Drain Systems Inc. is a specialized manufacturer focused exclusively on trench drain products. The company offers prefabricated systems in various materials, including polymer concrete and fiberglass, providing solutions for contractors seeking ease of installation and consistent performance.

Innovation and Sustainability Initiatives:

• Expertise in creating lightweight, chemically resistant fiberglass grating options.

• Provision of pre-sloped and pre-assembled systems to reduce on-site labor and installation time.

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1️⃣ 10. Saudigrate

Headquarters: Dammam, Saudi Arabia
Key Offering: Metal Grating, Trench Covers, FRP Grating

Saudigrate is a leading manufacturer in the Middle East, supplying a wide range of grating products for the region’s massive construction and oil & gas industries. The company meets the specific demands of harsh climatic conditions with durable, corrosion-resistant solutions.

Innovation and Sustainability Initiatives:

• Focus on producing grating suitable for extreme temperatures and corrosive environments prevalent in the Gulf region.

• Expansion of product lines to include FRP (Fiber Reinforced Plastic) gratings for specialized industrial applications.

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Trench Grate Market – View in Detailed Research Report

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🌍 Outlook: The Future of Trench Grates is Smarter and More Sustainable

The trench grate market is evolving beyond its traditional role, driven by the dual forces of digitalization and sustainability. While cast iron and steel remain foundational for their strength, the industry is increasingly innovating with advanced composites and smart technologies to meet the demands of 21st-century infrastructure.

📈 Key Trends Shaping the Market:

• Accelerated adoption of composite and polymer materials for corrosion resistance and lighter weight.

• Integration of IoT sensors into drainage systems for real-time monitoring and predictive maintenance.

• Growing emphasis on aesthetic design, with grates becoming integral architectural elements.

• Rising demand in Asia-Pacific and the Middle East driven by unprecedented infrastructure spending.

Get Full Report Here:
Trench Grate Market – View in Detailed Research Report

The companies listed above are not only building the foundation for modern drainage—they are actively engineering safer, smarter, and more sustainable urban environments for future generations.