Top 10 Companies in the Carbon Block Market (2026): Innovations Shaping Global Water Filtration

In Business Insights
January 11, 2026


The Global Carbon Block Market was valued at USD 1,526 Million in 2024 and is projected to reach USD 1,954 Million by 2032, growing at a Compound Annual Growth Rate (CAGR) of 3.7% during the forecast period (2025–2032). This growth is driven by increasing global demand for clean drinking water, stringent water quality regulations, and the accelerating adoption of advanced filtration technologies in both residential and industrial applications.

As the world grapples with water scarcity and contamination challenges, the spotlight is on the key manufacturers who are driving innovation, efficiency, and sustainable solutions in water purification. In this blog, we profile the Top 10 Companies in the Carbon Block Industry—a mix of established industrial leaders, specialized filtration experts, and technology innovators shaping the future of global water safety.


🔟 1. Marmon Holdings, Inc.

Headquarters: Chicago, Illinois, USA
Key Offering: Extruded Carbon Blocks, Compressed Carbon Blocks, Custom Filtration Solutions

Marmon Holdings, a Berkshire Hathaway company, is a global leader in water filtration components, including a comprehensive range of carbon block filters. Their products are renowned for high contaminant removal efficiency and durability, serving both Point-of-Use (POU) and Point-of-Entry (POE) water treatment systems across residential, commercial, and industrial sectors.

Innovation Initiatives:

  • Development of high-flow, low-pressure-drop carbon blocks for commercial applications

  • Investment in automated manufacturing for consistent quality and scalability

  • Focus on NSF/ANSI Standard 42 and 53 certified products for chlorine and particulate reduction

Download FREE Sample Report: Carbon Block Market – View in Detailed Research Report


9️⃣ 2. Multipure International

Headquarters: Las Vegas, Nevada, USA
Key Offering: Solid Carbon Block Filters, Drinking Water Systems, Aqualuxe Series

Multipure International is a pioneer in solid carbon block technology, with over 50 years of experience in water filtration. The company is distinguished by its proprietary solid carbon block construction, which offers superior structural integrity and contaminant reduction compared to granular activated carbon filters.

Innovation Initiatives:

  • Patented solid carbon block technology for maximum contact time and adsorption

  • Extensive NSF certifications for reduction of asbestos, lead, and volatile organic compounds (VOCs)


8️⃣ 3. AXEON Water Technologies

Headquarters: Scottsdale, Arizona, USA
Key Offering: RO Membrane Housings, Carbon Block Filters, Complete Filtration Systems

AXEON Water Technologies specializes in reverse osmosis and water filtration components, with carbon blocks being a critical part of their multi-stage filtration systems. They serve a global market with a focus on both residential under-sink systems and commercial/industrial applications.

Innovation Initiatives:

  • Integration of carbon blocks with advanced RO systems for comprehensive water purification

  • Development of high-capacity carbon blocks for commercial water treatment


7️⃣ 4. Pentek (a Pentair company)

Headquarters: Upper Saddle River, New Jersey, USA
Key Offering: Standard & Custom Carbon Blocks, Filter Housings, Replacement Filters

Pentek, part of Pentair, is a leading manufacturer of filtration products and systems. Their carbon block filters are widely used in residential, commercial, and industrial water treatment applications, known for consistent performance and reliability.

Innovation Initiatives:

  • Expansion of product line to include specialty carbon blocks for specific contaminant removal

  • Focus on manufacturing efficiency to maintain competitive pricing

Download FREE Sample Report: Carbon Block Market – View in Detailed Research Report


6️⃣ 5. American Carbon Block

Headquarters: Anaheim, California, USA
Key Offering: Coconut Shell Carbon Blocks, Catalytic Carbon Filters, Custom Formulations

American Carbon Block specializes in manufacturing premium carbon block filters using high-quality coconut shell activated carbon. The company focuses on producing filters with exceptional taste and odor removal capabilities while maintaining good flow rates.

Innovation Initiatives:

  • Specialization in coconut shell-based carbon for superior microporosity

  • Development of catalytic carbon formulations for chloramine reduction


5️⃣ 6. Aquaphor

Headquarters: St. Petersburg, Russia
Key Offering: Aqualen Carbon Blocks, Household & Commercial Filters, Water Purifiers

Aquaphor is a leading water filter manufacturer in Eastern Europe and Russia, with a strong presence in international markets. The company’s Aqualen carbon block technology features a unique multi-layer structure for enhanced filtration performance.

Innovation Initiatives:

  • Proprietary Aqualen carbon block technology with antibacterial properties

  • Expansion into smart water filters with electronic monitoring capabilities


4️⃣ 7. CB Tech

Headquarters: Rock Hill, South Carolina, USA
Key Offering: Standard & Custom Carbon Blocks, OEM Manufacturing, Private Label Solutions

CB Tech is a specialized manufacturer of carbon block water filters, serving OEM customers and private label clients worldwide. The company is known for its technical expertise in carbon block formulation and manufacturing processes.

Innovation Initiatives:

  • Custom carbon block development for specific water quality challenges

  • Advanced pore structure optimization for balanced flow rate and filtration efficiency


3️⃣ 8. Omnipure

Headquarters: Tulsa, Oklahoma, USA
Key Offering: CL Series Carbon Blocks, Filtration Systems, Replacement Filters

Omnipure Filter Company manufactures a wide range of water filtration products, including their popular CL series carbon block filters. The company serves residential, commercial, and industrial markets with a focus on quality and performance.

Innovation Initiatives:

  • Development of carbon blocks with integrated scale inhibition properties

  • Focus on NSF certified products for commercial food service applications


2️⃣ 9. Kemflo

Headquarters: Fuzhou, Fujian, China
Key Offering: Water Filter Housings, Carbon Blocks, RO Systems & Components

Kemflo is a leading Chinese manufacturer of water filtration products, with carbon blocks being a significant part of their product portfolio. The company has a strong export business and serves customers in over 80 countries worldwide.

Innovation Initiatives:

  • Cost-effective manufacturing while maintaining quality standards

  • Expansion of product range to meet diverse global market requirements


1️⃣ 10. Aquafilter

Headquarters: Köln, Germany
Key Offering: Carbon Block Filters, Replacement Cartridges, Complete Filtration Systems

Aquafilter is a European leader in water filtration technology, with a strong focus on carbon block filters for residential and light commercial applications. The company combines German engineering excellence with global manufacturing capabilities.

Innovation Initiatives:

  • Development of eco-friendly carbon blocks with biodegradable binding agents

  • Integration of carbon blocks with smart filter technology for usage monitoring

Get Full Report Here: Carbon Block Market – View in Detailed Research Report


🌍 Outlook: The Future of Carbon Block Technology Is Smarter and More Sustainable

The carbon block market is undergoing a significant transformation. While traditional carbon blocks continue to dominate water filtration applications, the industry is investing in smarter technologies, sustainable materials, and enhanced performance characteristics.

📈 Key Trends Shaping the Market:

  • R&D in advanced carbon block formulations with antimicrobial properties

  • Integration of IoT technology for real-time filter performance monitoring

  • Development of biodegradable binding agents for eco-friendly disposal

  • Expansion into emerging markets with tailored solutions for local water quality challenges

Get Full Report Here: Carbon Block Market – View in Detailed Research Report

The companies listed above are not only providing essential water filtration solutions—they’re driving the technological evolution that will define the future of clean water access worldwide.