Tetra Tech, Inc. engages in the provision of consulting and engineering services. It operates through the following segments: Government Services Group (GSG), Commercial and International Services Group (CIG), and Remediation and Construction Management (RCM). The GSG segment offers consulting and engineering services primarily to United States government clients such as federal, state and local, and development agencies worldwide. The CIG segment includes infrastructure and related environmental and geotechnical services, testing, engineering, and project management services to commercial and local government clients across Canada. The RCM segment focuses on the results of the wind-down of its non-core construction activities. The company was founded in 1966 and is headquartered in Pasadena, CA.

Dow Global Technologies LLC manufactures chemicals such as polymers.

Rohm and Haas Company is a manufacturer of speciality chemicals for end use markets such as building and construction, electronic devices, packaging, household and personal care products. Headquartered in Philadelphia, the company is organised into three business groups of Specialty Materials, Performance Materials and Electronic Materials, and also has two stand-alone businesses of Powder Coatings and Salt. Formerly a Fortune 500 Company, Rohm and Haas employs more than 17,000 people in 27 countries, with its last sales revenue reported as an independent company at US$8.9 billion. Dow Chemical Company bought Rohm and Haas for $15 billion in 2009.

Part of Celanese Corp., Celanese International Corp. is a company headquartered in the United States. The firm manufactures industrial chemicals.

Yuanjiang Hualong Catalytic Technology Co., Ltd., established on 2008-04-10, The business scope includes catalysts and fine chemical products(Free of Hazardous Chemicals)Research,to develop,Sales(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

The University of California is the nation's best public university system, delivering top-notch research and innovation to California (and the world).

Shin-Etsu Chemical Co., Ltd. engages in the manufacture and sale of industrial chemicals. Its operations are carried out through the following segments: Polyvinyl Chloride (PVC)/Chlor-Alkali Business, Silicone Business, Specialty Chemicals Business, Semiconductor Silicon Business, Electronics and Functional Materials Business, and Diversified Business. The PVC/Chlor-Alkali Business segment provides PVC, caustic soda, methanol, and chloromethane. The Silicone Business segment provides silicones. The Specialty Chemicals Business segment provides cellulose derivatives, silicon metal, polyvinyl alcohol, and synthetic pheromones. The Semiconductor Silicon Business segment provides silicon wafer products. The Electronics and Functional Materials Business segment provides rare earth magnets, coating materials, photomask blanks, oxide single crystals, and liquid fluoroelastomers. The Diversified Business segment includes processed plastics, international trading, engineering, ad information processing. The company was founded on September 16, 1926 and is headquartered in Tokyo, Japan.

The story of the company is about harnessing the fruits of science for goals that go beyond business. Serving society through science A part of the over $100 billion Tata Group, Tata Chemicals Limited is a global company with interests in businesses that focus on essentials for LIFE: Living, Industry and Farm Essentials. The story of the company is about harnessing the fruits of science for goals that go beyond business. Our story began in Mithapur, Gujarat, in western India in 1939 with a small plant that would raise a wealth of marine chemicals from the ocean. From these humble beginnings, Tata Chemicals has evolved into a market-leading international business, with operations across four continents, and businesses that touch the lives of millions across the globe. Our Innovation Centre, today, is home to world-class R&D capabilities in nanotechnology and biotechnology. Sustainability as a practice is at the core of all of Tata Chemicals' activities, including our corporate social responsibility initiatives, and is intricately woven into all our business functions. Our vision is to be a leader in corporate sustainability, focussing on all three elements of 'people, planet and profits'.

Hebei Kainuo Zhongxing Technology Co., Ltd., established on 2019-10-28, Business scope includes general items:Electronic special material manufacturing;Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals);Manufacturing of basic chemical raw materials(Manufacture of licensed chemicals free of hazardous chemicals);Chemical product production(No licensed chemical products);Sales of electronic special materials;Specialty Chemicals Sales(Free of Hazardous Chemicals);Chemical product sales(No licensed chemical products);Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Import and export;Technology Import and Export.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Beijing Bio-Top Biotechnology Co., Ltd. engages in the research and development, manufacture, and sale of in vitro diagnostics. Its products include hydroxy vitamin D, anti cyclic citrullinated peptide, heart fatty acid binding protein, procalcitonin, neutrophil gelatinase associated lipocalin, prospepsin, cardiac troponin 1, myoglobin, nonesterified free fatty acid, and cholyglycine. The company was founded on October 20, 2009 and is headquartered in Beijing, China.

Shanghai Skyline Ecological Agriculture Co., Ltd., established on 2011-03-17, The scope of business includes the planting of flower seedlings,Technical consulting in the field of agricultural technology and biotechnology,Technical Services,sell edible produce(Does not contain hog products),flower seedlings. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Jiangsu Liyuan Pharmaceutical Co., Ltd., established on 2019-02-12, Business scope includes general items:Medical Research and Experimental Development;Engineering and Technology Research and Experimental Development;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Biochemical product technology research and development;Technical extension services;Chemical product sales(No licensed chemical products);Technology promotion and application services(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Hebei Yuanda Zhongzheng Biotechnology Co., Ltd., established on 2011-11-28, The business scope includes zinc sulfate,copper sulfate,ferrous sulfate,magnesium sulfate,Manganese sulfate,calcium iodate,Cobalt chloride,Sodium Selenite,potassium chloride,Sodium chloride,Xylanase+beta-Glucanase+cellulase+protease+Amylase;Xylanase+beta-Glucanase+cellulase+protease+Amylase+Bacillus subtilis+Bacillus licheniformis,vitamin premix feed(Livestock and aquatic products,Ruminants,Pets and special animals),Micronutrient premixed feed(Livestock and aquatic products,Ruminants,Pets and special animals),Compound Premixed Feed(Livestock and aquatic products,Ruminants,Pets and special animals),Production of zinc fertilizers and other by-products,Sales and import and export trade,Zinc oxide,zinc carbonate,potassium iodide,magnesium oxide,amino acid,Chelate,potash fertilizer,Nitrogen fertilizer,Lead and Zinc Containing Materials,Zinc oxide,Zinc gray,ashes,lead zinc gray,cobalt sulfate,Basic copper chloride,Feed Grade Zinc Oxide,crude iodine,Coarse tin,Coarse bismuth,Crude cadmium,compound fertilizer,Organic Feed Raw Materials,Soda ash,trisodium phosphate,fertilizer(Excluding hazardous chemicals)Sales and import and export trade.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

ONET TECHNOLOGIES ND engages in treatment and disposal of hazardous waste. The company is headquartered in Pierrelatte, France.

Shanghai Banggao Chemical Co., Ltd., established on 2009-06-19, The scope of business includes engaging in technology development in the chemical industry,technical consulting,Technical Services,mechanical instrument,Chemical Equipment,Chemical raw materials and products(Removal of hazardous chemicals,Monitor Chemicals,firecrackers,civilian explosives,precursor chemicals)Sales,Production and sales of nonionic surfactants(Removal of hazardous chemicals),Engaged in the import and export of goods and technology,road freight transport(Removal of hazardous chemicals). [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

China Salt Yulin Salt Chemical Co., Ltd., established on 2000-12-01, Business scope includes table salt,Farm salt,industrial salt,Production of multi-variety nutrient salts and brine,Production and processing of salt chemical products(Excluding hazardous chemicals),Sales;wholesale of salt,Retail and import and export business.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Aerospace Kaitian Environmental Protection Technology Co., Ltd. (hereinafter referred to as Aerospace Kaitian Environmental Protection) is a holding company of China Aerospace Science and Industry Group. China Aerospace Science and Industry Group is one of the world's top 500 high-tech enterprises under the direct management of the central government. Focusing on the development concept of "big defense, big security", China Aerospace Science and Industry Group actively responds to the call of the country for green development, enters the environmental protection industry, and makes Aerospace Kaitian Environmental Protection a leading enterprise in the industry. Aerospace Kaitian Environmental Protection Co., Ltd. was established in 1998 as a joint venture with Germany's centennial environmental protection enterprise. It is a comprehensive green ecological environment service provider integrating environmental planning, environmental protection product R&D and design, equipment manufacturing, engineering installation, and facility operation (its business areas include plant environmental governance, atmospheric environment governance, soil remediation, water treatment, black and odorous water body governance, waste and solid waste treatment, and comprehensive park governance). At present, it has four production bases, a postdoctoral workstation and an academician expert workstation, as well as top qualifications such as environmental design class A, environmental engineering professional contracting class A, electromechanical installation class A, and environmental protection operation class A. The plant environmental management business unit under the company is mainly engaged in the purification and treatment of smoke, dust, oil smoke and oil mist and VOCs waste gas generated during industrial manufacturing, such as welding, cutting, grinding, casting, machining and smelting. The environmental protection equipment and systems developed are mainly used in railway locomotives, automobile manufacturing, aerospace, engineering machinery, coal mining machinery, shipbuilding, military, petrochemical, pharmaceutical, steel, rubber tires, furniture, tobacco More than 200 industries and fields including wood processing, electronics, ceramics, etc. Focusing on plant environmental governance for 20 years, Aerospace Kaitian Environmental Protection has become a benchmark enterprise for domestic plant environmental governance, and has implemented more than 5000 environmental protection projects. The company takes the vision of "becoming a century old enterprise and creating a world brand", takes technological innovation, business model innovation and management innovation as the leadership, fully

Hebei Botai Environmental Protection Technology Co., Ltd., established on 2014-09-11, The business scope includes zinc oxide,Feed Grade Zinc Oxide,Zinc sulfate,Basic Zinc Carbonate,carbonate,iodide,iodate,Zinc concentrate calcine,Zinc fertilizer,By-product metals and metal mines,Feed Additive Sodium Sulfate,sodium sulfate,potassium chloride,Sodium chloride,Production of Compound Fertilizers,Sales;Metal scrap and scrap processing;Environmental technology development,consult,comminicate,Promotion service;Import and export of goods or technology(Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval);Recycling of renewable resources(Does not contain solid waste,Hazardous Waste,Projects requiring approval from relevant departments, such as scrapped cars),sodium bicarbonate,feed ingredients,Sulfate,fertilizer,Chemical Products(Excluding flammable, explosive and toxic and hazardous chemicals)wholesale;coal,coke,Scorched powder,Iron concentrate powder,Mineral ash of metals and metal compounds(The above items are not saved)wholesale;Dinner service(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

EnviroMetal Technologies, Inc. engages in the development and marketing of hydrometallurgical precious metals extracts. It focuses on mining sector for the treatment of ores, concentrates, and tailings; and the E-waste management sector for the treatment of electronic waste streams. The company was founded by Duane A. Nelson on October 21, 2016 and is headquartered in Burnaby, Canada.