Carbon Nanotubes
Manufacturers and researchers of single-wall and multi-wall carbon nanotubes for various applications
Nanocomp Technologies
Merrimack, United States
Manufacturer of carbon nanotube-based materials for aerospace, defense, and industrial applications
OCSiAl
Luxembourg, Luxembourg
OCSiAl Group, founded in 2009 and headquartered in Luxembourg, has achieved the remarkable distinction of becoming the world's largest manufacturer of single-wall carbon nanotubes (SWCNT), enabling mass-market applications through unprecedented production scale and cost reduction. With over $200 million in funding and 500-1,000 employees, OCSiAl operates globally with production facilities in Europe, Asia, and North America, producing its flagship TUBALL SWCNT products measured in tons rather than grams. The company's breakthrough synthesis technology enables continuous, large-scale production of high-quality single-wall carbon nanotubes at costs dramatically lower than previous methods, fundamentally changing the economics of CNT applications. OCSiAl's TUBALL products consist of ultra-long SWCNTs (up to several micrometers in length) with high aspect ratios and excellent electrical conductivity, making them exceptional additives for creating conductive composites, coatings, and energy storage materials. At remarkably low loading levels (typically 0.01-0.1% by weight), TUBALL nanotubes form percolating networks that impart electrical conductivity to polymers, elastomers, and other matrices. The company targets large-volume applications where CNTs can deliver significant performance benefits, including lithium-ion battery electrodes, transparent conductive films, antistatic materials, EMI shielding, rubber compounds, and composite materials. In lithium-ion batteries, TUBALL additives improve electrode conductivity, enabling faster charging, higher power delivery, and better cycle life—critical for electric vehicles and energy storage systems. OCSiAl has established partnerships with major battery manufacturers worldwide, with TUBALL-containing batteries in commercial production for automotive applications. The company has developed application-specific TUBALL formulations including ready-to-use dispersions in various solvents and concentrates optimized for different manufacturing processes, facilitating customer adoption. OCSiAl maintains extensive application development laboratories working with customers to optimize CNT integration into their products and manufacturing processes. The company has achieved regulatory approvals for TUBALL products in multiple jurisdictions, addressing safety and environmental concerns associated with nanomaterials. OCSiAl's remarkable production scale—producing more SWCNTs annually than all other manufacturers combined—has transformed carbon nanotubes from exotic research materials to practical industrial additives. The company's success demonstrates that with appropriate technology and scale, nanomaterials can achieve cost structures compatible with high-volume applications, fulfilling long-standing promises of nanotechnology revolutionizing major industries. As electric vehicles and energy storage demand surge, OCSiAl's position as the dominant SWCNT supplier positions the company at the center of critical technology supply chains.
CNano Technology
Zhenjiang, China
CNano Technology Limited, established in 2007 and based in Zhenjiang, China, has emerged as a leading large-scale manufacturer of multi-wall carbon nanotubes (MWCNT) for battery and composite applications, particularly focusing on the rapidly growing lithium-ion battery market. With over $100 million in funding and 200-500 employees, CNano operates high-volume production facilities in China capable of producing hundreds of tons of MWCNTs annually, serving global customers in energy storage, composites, and conductive materials markets. The company's flagship Flotube CNT products are specifically engineered for lithium-ion battery applications, where they serve as conductive additives in both cathodes and anodes. In battery electrodes, even small additions of CNTs (typically 1-3% by weight) dramatically improve electrical conductivity, enabling better power performance, faster charging, and higher energy utilization. CNano's focus on battery applications has proven strategically prescient as the electric vehicle revolution drives exponential growth in lithium-ion battery production. The company supplies CNT additives to major battery manufacturers in China, South Korea, Japan, and other countries, with its products incorporated into millions of battery cells for electric vehicles, consumer electronics, and energy storage systems. CNano's MWCNTs are produced through catalytic chemical vapor deposition processes optimized for consistent quality, controlled diameter distributions, and surface properties tailored for battery applications. The company has developed various MWCNT grades including long nanotubes for maximizing electrical percolation, short nanotubes for easier dispersion, and surface-treated variants for specific battery chemistries. Beyond batteries, CNano targets composite materials applications where MWCNTs enhance mechanical strength, electrical conductivity, and thermal properties of polymers and elastomers. The company's products are used in automotive components, industrial materials, and consumer goods requiring electrostatic dissipation or EMI shielding. CNano has invested significantly in production scale-up and cost reduction, recognizing that commercial success in high-volume applications requires not just technical performance but also competitive pricing. The company's position in China provides proximity to the world's largest battery manufacturing ecosystem and access to the supply chains driving electric vehicle adoption. CNano has established quality management systems meeting automotive industry requirements, ensuring consistent material properties across large production volumes. As China has become the dominant force in lithium-ion battery production, CNano has benefited from being embedded in this manufacturing ecosystem, providing localized technical support and rapid response to customer needs. The company represents the emerging class of Chinese nanomaterial manufacturers achieving global scale, demonstrating how nanotechnology production is globalizing with significant capacity concentrated in Asia's manufacturing centers.
Zeon Corporation
Tokyo, Japan
Zeon Corporation, founded in 1950 and headquartered in Tokyo, Japan, is a major chemical company that has become a significant producer of super-growth carbon nanotubes (SG-CNT) alongside its traditional synthetic rubber and specialty chemical businesses. Publicly traded on the Tokyo Stock Exchange (TYO: 4205) with over 1,000+ employees, Zeon leverages its extensive chemical manufacturing expertise to produce high-quality carbon nanotubes marketed under the ZEONANO brand. The company entered the carbon nanotube market by licensing super-growth CVD technology developed at Japan's National Institute of Advanced Industrial Science and Technology (AIST), which enables rapid, efficient synthesis of exceptionally long and pure single-wall carbon nanotubes. Zeon's SG-CNT production technology can grow centimeter-length nanotubes with extremely high purity and minimal catalyst residues, resulting in CNTs with superior electrical and mechanical properties. These high-quality nanotubes find applications in transparent conductive films, high-performance composites, energy storage devices, and advanced sensors. Zeon has focused particularly on transparent conductive films where ZEONANO SG-CNTs provide alternatives to indium tin oxide (ITO) for touchscreens, displays, and photovoltaic electrodes. CNT-based transparent conductors offer advantages including mechanical flexibility, stretchability, and potentially lower costs compared to brittle ITO films. The company has developed CNT film manufacturing processes compatible with roll-to-roll production, enabling large-area transparent electrode fabrication for flexible electronics. Beyond electronics, Zeon leverages its core expertise in polymer science to develop CNT-enhanced elastomers and thermoplastics with improved electrical conductivity, mechanical strength, and thermal management for automotive and industrial applications. As a major chemical company, Zeon brings significant advantages to nanotechnology commercialization including established manufacturing capabilities, quality control expertise, global distribution networks, and customer relationships across multiple industries. The company's approach integrates carbon nanotube production within its broader specialty chemicals portfolio, cross-leveraging technologies and market channels. Zeon participates in Japanese government initiatives advancing carbon nanotube applications and collaborates with academic institutions on next-generation CNT technologies. The company's position in Japan—home to significant carbon nanotube research and several major electronics manufacturers—provides strategic advantages in developing applications for Japanese industry. Zeon's involvement in carbon nanotubes exemplifies how established chemical companies are increasingly incorporating nanotechnology into their product portfolios, bringing nanomaterials from research laboratories to commercial chemical production. As carbon nanotube applications mature, companies like Zeon with deep chemical manufacturing expertise and broad market access play crucial roles in scaling production and integrating nanomaterials into diverse industrial products, bridging the gap between specialty nanomaterial producers and end-use applications.
Nantero
Woburn, United States
Developer of NRAM nonvolatile memory technology using carbon nanotube fabrics
IBM Research - Nanotechnology
Yorktown Heights, United States
Pioneering nanotechnology research including carbon nanotube transistors and molecular electronics
Porifera
Hayward, United States
Developer of forward osmosis membranes using carbon nanotube and graphene oxide
Luna Innovations
Roanoke, United States
Developer of fiber optic sensing and nanotechnology products for defense and healthcare
NanoIntegris
Boisbriand, Canada
Producer of high-purity semiconducting and metallic carbon nanotubes
Nanocyl
Sambreville, Belgium
Leading European producer of multiwall carbon nanotubes
Arkema - Graphistrength
Colombes, France
Major chemical company producing Graphistrength carbon nanotubes
Showa Denko - VGCF
Tokyo, Japan
Producer of vapor grown carbon fiber for battery and composite applications
Sky Nano
Knoxville, United States
Sky Nano, founded in 2017 in Knoxville, Tennessee, represents a groundbreaking convergence of environmental sustainability and advanced nanotechnology. The company has developed a revolutionary process that transforms carbon dioxide, a harmful greenhouse gas, into high-value carbon nanotubes, effectively turning an environmental liability into a valuable industrial asset. This innovative approach addresses two critical global challenges simultaneously: climate change mitigation and the growing demand for advanced nanomaterials. Sky Nano's proprietary technology uses carbon dioxide as the primary feedstock for producing multi-walled carbon nanotubes through a novel electrocatalytic process. Unlike traditional carbon nanotube manufacturing methods that rely on fossil fuels and generate significant CO2 emissions, Sky Nano's process actually consumes CO2, making it carbon-negative. The resulting carbon nanotubes exhibit exceptional mechanical strength, electrical conductivity, and thermal stability, making them ideal for applications in batteries, composites, conductive additives, and advanced materials. The company's technology has significant implications for the battery industry, where carbon nanotubes can enhance electrode performance, increase energy density, and improve charge-discharge rates in lithium-ion batteries. Sky Nano has secured over $10 million in funding from investors and government grants, reflecting strong confidence in its dual value proposition of environmental benefit and commercial viability. The company's approach exemplifies the principles of carbon capture and utilization, transforming waste CO2 from industrial sources into valuable products. As global demand for carbon nanotubes continues to grow across electronics, energy storage, and composite materials sectors, Sky Nano's sustainable production method positions it as a pioneer in green nanotechnology manufacturing and a significant contributor to the circular carbon economy.
Nanomix
Emeryville, United States
Nanomix, established in 2000 in Emeryville, California, is a pioneering company in nanosensor technology, specializing in carbon nanotube-based electronic biosensors for point-of-care medical diagnostics. The company has raised over $75 million in funding to develop its innovative diagnostic platform that leverages the exceptional electronic and chemical properties of carbon nanotubes for rapid, accurate medical testing. Carbon nanotubes, cylindrical nanostructures with diameters of just a few nanometers, exhibit extraordinary sensitivity to surface chemical changes, making them ideal transducers for biosensing applications. Nanomix's proprietary technology functionalizes carbon nanotubes with specific recognition molecules that bind target biomarkers, causing measurable changes in the nanotubes' electrical conductivity. This direct electronic detection mechanism enables rapid, label-free measurement of clinically relevant analytes. The company's flagship eLab diagnostic system brings laboratory-quality testing to the point of care, providing rapid results for critical biomarkers directly at the patient's bedside, in emergency departments, or in physician offices. The system can measure multiple analytes including blood gases, electrolytes, and metabolites from small blood samples, with results available in minutes rather than the hours typically required for central laboratory testing. This speed enables faster clinical decision-making, particularly critical in acute care settings. The nanosensor technology offers significant advantages including small sample volumes, minimal reagent consumption, and the potential for highly multiplexed testing. Nanomix's platform addresses the growing demand for decentralized diagnostic testing, aligning with trends toward personalized medicine and value-based healthcare. The company's work exemplifies how nanotechnology can transform medical diagnostics, bringing sophisticated analytical capabilities out of centralized laboratories and directly to patients. As point-of-care testing continues to expand globally, Nanomix's carbon nanotube-based sensors represent a significant technological advancement in making rapid, accurate diagnostic information immediately available to healthcare providers.
Nanovis
West Lafayette, United States
Developer of nanotube-reinforced polymer implants for orthopedic applications
Hyperion Catalysis International
Cambridge, United States
Pioneer in multi-wall carbon nanotube production and applications
Canatu
Helsinki, Finland
Developer of carbon nanobud technology for transparent conductive films and 3D touch sensors
Hanwha Chemical
Seoul, South Korea
Major Korean chemical conglomerate with significant CNT and nanomaterials production
LG Chem
Seoul, South Korea
Global chemical company and major producer of battery materials and CNT additives
Kumho Petrochemical
Seoul, South Korea
Korean petrochemical company with large-scale carbon nanotube production
Toray Industries
Tokyo, Japan
Japanese multinational producing advanced carbon fibers, CNTs, and nanomaterials
Hodogaya Chemical
Tokyo, Japan
Japanese chemical company specializing in CNTs for electronic applications
Jiangsu Cnano Technology
Zhenjiang, China
One of China's largest producers of carbon nanotubes for battery applications
Shenzhen Nanotech Port
Shenzhen, China
Chinese manufacturer of carbon nanotubes and graphene for various applications
Chengdu Organic Chemicals
Chengdu, China
Chinese Academy of Sciences spin-off producing CNTs, fullerenes, and nanomaterials
Raymor Industries
Boisbriand, Canada
Canadian producer of single-wall carbon nanotubes using plasma technology
Thomas Swan
Consett, United Kingdom
UK chemical company and major producer of Elicarb graphene and carbon nanomaterials
Reinste Nano Ventures
Delhi, India
Indian nanomaterials manufacturer producing nanoparticles and quantum dots
Nanoshel
Dehradun, India
Indian manufacturer of nanopowders, nanotubes, and nanomaterials for research
Nano Labs Corp
Wuxi, China
Chinese company producing carbon nanotubes for electronics and energy storage
US Research Nanomaterials
Houston, United States
US manufacturer and supplier of nanomaterials for research and industrial use
SkySpring Nanomaterials
Houston, United States
US supplier of nanomaterials including oxide and metallic nanoparticles
2D Carbon Tech
Changzhou, China
Major Chinese producer of graphene and graphene-based products
SouthWest NanoTechnologies
Norman, United States
Producer of high-quality single-wall carbon nanotubes
Zeon Corporation
Tokyo, Japan
Major Japanese producer of single-wall carbon nanotubes
NanOasis
San Leandro, United States
Developer of carbon nanotube-based water filtration membranes
Prieto Battery
Fort Collins, United States
Developer of 3D nanostructured solid-state batteries
Nanoramic Laboratories
Boston, United States
Developer of carbon nanotube-based energy storage materials
Reliance Industries - Nanotech
Mumbai, India
Indian conglomerate with major investments in nanotechnology and materials
Chasm Advanced Materials
Canton, United States
CNT transparent conductive films and inks
Nano-C
Westwood, United States
Manufacturer of fullerenes and carbon nanomaterials
C12 Quantum Electronics
Paris, France
Carbon nanotube-based quantum processors
Elcora Advanced Materials
Halifax, Canada
Graphite mining and graphene production
Perpetuus Carbon Technologies
Swansea, United Kingdom
Large-scale functionalized graphene and CNT production
Cabot Corporation Specialty Carbons
Boston, United States
Specialty carbon materials including CNTs and conductive additives
Shenzhen Nanotech Port
Shenzhen, China
Pioneer Chinese carbon nanotube and nanomaterial producer
Reinste Nano Ventures
New Delhi, India
Nanomaterial manufacturer and supplier
NanoSA
Johannesburg, South Africa
Nanomaterial manufacturer and distributor in Africa
OCSiAl Russia
Novosibirsk, Russia
Original OCSiAl CNT production facility
Arkema Nanomaterials
Colombes, France
Industrial-scale carbon nanotubes and nanomaterials
Denka Nano
Tokyo, Japan
Advanced carbon materials including CNTs
NanoIntegris
Montreal, Canada
Sorted carbon nanotubes and graphene
Shanshan Technology
Shanghai, China
Battery materials leader
BTR New Material
Shenzhen, China
World's largest anode producer
Cabot Corporation
Boston, United States
Carbon black, fumed silica, and specialty nanoparticles
Denka Company
Tokyo, Japan
Acetylene black and specialty nanomaterials for batteries
Zeon Corporation
Tokyo, Japan
Single-wall carbon nanotubes and specialty polymers
SUSN Sinotech
Shenzhen, China
Carbon nanotube production and applications
Timcal (Imerys)
Bodio, Switzerland
Graphite and carbon additives for batteries
Hyosung Advanced Materials
Seoul, South Korea
Carbon fiber and advanced materials
Zhongfu Shenying Carbon Fiber
Lianyungang, China
Large-scale carbon fiber production in China
Jilin Chemical Fiber
Jilin, China
Carbon fiber and precursor production
CNT Company
Incheon, South Korea
Carbon nanotube synthesis and products
Jeio Co.
Incheon, South Korea
Carbon nanotube production and composite applications
Institute of Metal Research (CAS)
Shenyang, China
Advanced metal and nanomaterial research
NanoIntegris
Montreal, Canada
Semiconducting and metallic carbon nanotube separation
Raymor Industries
Boisbriand, Canada
Plasma synthesis of carbon nanotubes and graphene
Imerys
Paris, France
Specialty minerals including graphite and carbon additives
Kumho Petrochemical
Seoul, South Korea
Synthetic rubber and styrene-based materials
OCI Holdings
Seoul, South Korea
Polysilicon and carbon materials
Kingfa Science & Technology
Guangzhou, China
Modified plastics and composites
Jiangsu Cnano Technology
Zhenjiang, China
Carbon nanotube conductive additives for batteries
Shanshan Technology
Shanghai, China
Anode and cathode materials for batteries
BTR New Material
Shenzhen, China
Anode materials including silicon-carbon composites
US Research Nanomaterials
Houston, United States
Nanomaterials manufacturer and distributor
SkySpring Nanomaterials
Houston, United States
Nanomaterials supplier and manufacturer
Mitsubishi Chemical Carbon Fiber
Tokyo, Japan
Pitch-based and PAN-based carbon fibers with nanotechnology-enhanced properties
Nanostructured & Amorphous Materials
Katy, United States
Wide range of nanomaterials including CNTs, graphene, and metal oxides
US Research Nanomaterials
Houston, United States
Supplier of nanomaterials including graphene and CNTs
Nanografi
Ankara, Turkey
Turkish nanomaterials company specializing in graphene and CNTs
Nanocomp Technologies
Merrimack, United States
Industrial-scale carbon nanotube sheets and yarns
Zeon Corporation
Tokyo, Japan
Japanese chemical company producing super-growth CNTs
SUSN Sinotech New Materials
Chengdu, China
Large-scale carbon nanotube manufacturer in China
Meijo Nano Carbon
Nagoya, Japan
High-purity carbon nanotube production in Japan
Thomas Swan
Consett, United Kingdom
UK chemical company producing CNTs and graphene
Carbon Solutions
Riverside, United States
Arc-discharge carbon nanotubes and fullerenes
NanoLab
Waltham, United States
Carbon nanotubes and nanowires for research
Southwest Nanotechnologies
Norman, United States
Specialty single-wall CNTs using CoMoCAT process
Nanothinx
Patras, Greece
Greek carbon nanotube producer
NanoIntegris (Raymor)
Boisbriand, Canada
Sorted semiconducting and metallic carbon nanotubes
Jilin Carbon
Jilin City, China
Chinese carbon fiber and graphite electrode manufacturer for aerospace and electric arc furnaces
Nippon Graphite Fiber
Osaka, Japan
Pitch-based carbon fiber specialist with high thermal conductivity products for space and electronics
Orbex
Forres, United Kingdom
European rocket company using bio-propane for sustainable launches
Isar Aerospace
Munich, Germany
German rocket company building Spectrum launch vehicle
Arkema Advanced Materials
Colombes, France
Specialty chemicals and advanced materials company focused on high-performance solutions
Renishaw Spectroscopy
Wotton-under-Edge, United Kingdom
Renishaw spectroscopy division providing Raman microscopy and analysis systems
Virgin Galactic
Tustin, United States
Space tourism company developing suborbital spaceflights with composite materials
Joby Aviation
Santa Cruz, United States
Electric vertical takeoff and landing aircraft company for urban air mobility
Teijin Aerospace
Tokyo, Japan
Teijin carbon fiber and composites division for aerospace and automotive
Cheap Tubes
Grafton, United States
Affordable carbon nanotubes and graphene
Sigma-Aldrich Nanomaterials
St. Louis, United States
Nanomaterials for research (Merck/MilliporeSigma)
ACS Material
Pasadena, United States
Advanced nanomaterials supplier
Graphene Supermarket
Calverton, United States
Online graphene and nanomaterial supplier
NanoMaterials Ltd
Manchester, United Kingdom
Nanopowders and nanomaterials supplier
CNano Technology
Zhenjiang, China
Carbon nanotube manufacturer for lithium-ion batteries
Meijo Nano Carbon
Nagoya, Japan
Single-wall carbon nanotube manufacturer using eDIPS method
NanoIntegris
Montreal, Canada
Separated and purified carbon nanotubes for electronics
Southwest Nanotechnologies
Norman, United States
Specialty single-wall carbon nanotubes using CoMoCAT process
LG Chem CNT
Seoul, South Korea
Carbon nanotube production for battery and composite applications
Showa Denko Carbon
Tokyo, Japan
Carbon nanotube and graphite materials for electronics
Kumho Petrochemical CNT
Seoul, South Korea
Multi-wall carbon nanotube production for industrial use
Nanomix
Emeryville, United States
Carbon nanotube-based electronic biosensors
NanoTek Instruments
Dayton, United States
Graphene and carbon nanomaterials for energy storage
Canatu
Helsinki, Finland
Carbon nanobud films for 3D touch surfaces
Nantero
Woburn, United States
Carbon nanotube-based NRAM memory technology
AIST Nanotechnology
Tsukuba, Japan
Japan national nanotechnology research center
Tesla NanoCoatings
Coatesville, United States
Carbon nanotube enhanced corrosion protection coatings
3DC
Tokyo, Japan
Graphene mesosponge (GMS) 3D carbon nanomaterial for batteries and fuel cells
Hanwha Advanced Materials
Seoul, South Korea
Advanced CNT materials for automotive and solar applications
Tiannai Technology
Shenzhen, China
Single-walled CNT products for solid-state battery manufacturers
GetNanoMaterials
Saint-Cannat, France
European nanomaterial distributor
Jiangsu NanoMat
Nanjing, China
Large-scale nanomaterial and nanoparticle production in China
Sense-secure
New York, United States
Carbon nanotube-based wireless gas sensors
UP Catalyst
Tallinn, Estonia
Electrochemical carbon nanomaterial production from CO2 for catalysis and batteries