Orion S.A., together with its subsidiaries, engages in the manufacture and sale of carbon black products. It operates in two segments, Specialty Carbon Black and Rubber Carbon Black. The company offers post-treated specialty carbon black grades for coatings and printing applications; high purity carbon black grades for the fiber industry; and conductive carbon black grades for batteries, polymers, and coatings. It also provides rubber carbon black products for applications in mechanical rubber goods, as well as in tires under the ECORAX brand name; and acetylene-based conductive additives for lithium-ion batteries and other applications. It operates in the United States, Brazil, rest of the Americas, Germany, South Africa, Italy, Spain, Turkey, France, Rest of EMEA, China, the Republic of Korea, and rest of Asia. The company was formerly known as Orion Engineered Carbons S.A. and changed its name to Orion S.A. in June 2023. Orion S.A. was founded in 1862 and is headquartered in Senningerberg, Luxembourg.

Zentek Ltd., together with its subsidiaries, engages in the research and development of graphene and related nanomaterials in Canada. The company develops graphene-based antimicrobial coating under the ZenGUARD brand, surgical masks, HVAC filters, personal protective equipment, rapid detection point of care diagnostics tests, and pharmaceutical products based on graphene-based compounds. It is also developing graphene oxide synthesis and graphene synthesis. In addition, the company owns 100% interest in the Albany graphite project located in Northern Ontario, Canada. The company was formerly known as ZEN Graphene Solutions Ltd. and changed its name to Zentek Ltd. in October 2021. Zentek Ltd. was incorporated in 2008 and is headquartered in Guelph, Canada.

GrafTech International Ltd. research, develops, manufactures, and sells graphite and carbon-based solutions worldwide. The company offers graphite electrodes to produce electric arc furnace steel and other ferrous and non-ferrous metals; and petroleum needle coke, a crystalline form of carbon used in the production of graphite electrodes and synthetic graphite. It sells its products primarily through direct sales force, independent sales representatives, and distributors. GrafTech International Ltd. was founded in 1886 and is headquartered in Brooklyn Heights, Ohio.

NOVONIX Limited provides battery materials and development technology for battery manufacturers, materials companies, automotive original equipment manufacturers (OEMs), and consumer electronics manufacturers in North America, Asia, Australia, and Europe. It operates through Battery Materials and Battery Technology segments. The Battery Materials segment develops and manufactures battery anode materials. The Battery Technology segment develops battery cell testing equipment, performs consulting services, and carries out research and development in battery development. The company is involved in the investment and real estate borrowing activities; and offers battery technology, battery testing hardware equipment, and battery testing and development consulting services. The company was formerly known as Graphitecorp Limited and changed its name to NOVONIX Limited in July 2017. NOVONIX Limited was incorporated in 2012 and is based in Brisbane, Australia.

Hongli Group Inc., through its subsidiaries, manufactures and sells cold roll formed steel profiles for machinery and equipment in the People's Republic of China and internationally. The company offers cold roll formed steel profile products in various forms of shapes, such as angles, bows, beams, brackets, channels, cross-members, flanges, hats, panels, plates, posts, rails, stakes, and tracks. It serves mining and excavation, construction, agriculture, and transportation industries. The company was incorporated in 2021 and is headquartered in Weifang, the People's Republic of China. Hongli Group Inc. operates as a subsidiary of Hongli Development Limited.

Sunrise New Energy Co., Ltd. engages in the manufacture and sale of graphite anode material for EVs and other lithium-ion batteries. The company also operates a peer-to-peer knowledge sharing and enterprise service platform business. In addition, it offers education consulting, training, tailored, information technology, business incubation, enterprise information technology integration, health, and agricultural technology services, as well as cultural and artistic exchanges and planning, and conference services. The company was formerly known as Global Internet of People, Inc. Sunrise New Energy Co., Ltd. was founded in 2014 and is headquartered in Zibo, the People's Republic of China.

Tantech Holdings Ltd, together with its subsidiaries, develops and manufactures bamboo-based charcoal products for industrial energy, household cooking, heating, purification, agricultural, and cleaning applications in the People's Republic of China and internationally. The company operates through two segments: Consumer Products and Electric Vehicles. It provides pressed and formed charcoal briquettes for use in grills, incense burners, and other applications under the Algold brand. The company also offers Charcoal Doctor branded products, such as air purifiers and humidifiers, automotive accessories for air purification, underfloor humidity control products, pillows and mattresses, wardrobe deodorizers, mouse pads and wrist mats, refrigerator deodorants, charcoal toilet cleaner disks, liquid charcoal cleaners, shoe insoles, and decorative charcoal gifts. In addition, it provides bamboo vinegar, a liquid byproduct for use in disinfectants, detergents, lotions, specialized soaps, toilet cleaners, and fertilizers, as well as in various agricultural applications; and trades in charcoal products. Further, the company develops and sells electric buses, electric logistics cars, and specialty electric vehicles, such as brushless cleaning cars, electric cleaning cars, special emergency vehicles, and funeral cars; and solar cells, lithium-ion batteries, auto parts, and electric control systems. It is also involved in the biodegradable packaging and supply chain businesses, as well as provides commercial factoring services. The company was founded in 1998 and is headquartered in Lishui, the People's Republic of China.

CN Energy Group. Inc., through its subsidiaries, engages in the manufacture and supply of wood-based activated carbon primarily in China. The company's activated carbon is used in pharmaceutical manufacturing, industrial manufacturing, water purification, environmental protection, and food and beverage production. It also engages in the generation and supply of biomass electricity; production of steam for heating; sale of minerals, stone, metal materials, construction materials, wood, chemical materials and products, rubber products, and paper products; management and conversion of forest and natural ecosystem; and forest acquisition, rights transfer, and nurturing, and timber harvesting and processing activities. The company was incorporated in 2018 and is based in Lishui, China.