Part of Rinnai Corp., Rinnai Korea Corp. is a South Korean company located in Inchon. The firm manufactures and wholesales gas ranges and boilers and kitchen appliances. It was founded in 1974.

Shingang Hi-Tech Co., Ltd. designs and constructs water pollution prevention and treatment facilities. The company was founded on June 21, 1999 and is headquartered in Gunpo, South Korea.

Thunip Corp., Ltd. engages in the provision of municipal sewage treatment and environmental consulting services. The company was founded in 2002 and is headquartered in Beijing, China.

Xinfa Group Co., Ltd. is a private company headquartered in China. The firm engages in manufacturing aluminum rods, ingots, alumina, calcium carbide coated papers.

Korea Construction Management Corp. is a company headquartered in the South Korea ultimately controlled by the Government of South Korea. The firm provides civil engineering services. It was founded in 1993.

Shandong Juye Tianma Glass Products Co., Ltd., established on 2009-12-02, Business scope includes processing and sales of glass products(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Wuhan Shangyuan Environmental Protection Co., Ltd. engages in manufacture and sale of ultrafiltration membrane and its consumables. It also undertakes environmental engineering projects. The company was founded on December 30, 2006 and is headquartered in Wuhan, China.

Canplas Industries Ltd., a subsidiary of Aliaxis SA, is a company headquartered in Canada that manufactures and sells injection moulded thermoplastic products for the construction industry.

Chief Solutions, Inc. provides technical consulting services. It provides sewer line cleaning, television inspections and other inspection methods for sanitary sewer evaluation surveys. The firm provides services to the engineers, contractors, municipalities and cable companies. The company was founded in 1985 and is headquartered in Houston, TX.

State Grid Hebei Electric Power Co., Ltd. Electric Power Research Institute, established on 1990-06-02, Business scope includes technical supervision of power system,technology development,Technical Training,it,Power technical service,Electric power construction adjustment test;Power Technology Consulting Services;own equipment,Realtor.

Beijing Zhongda Lixin Environmental Technology Co., Ltd., established on 2006-06-05, Business scope includes technical services,technology development,technology transfer,technical consulting;Soil and Water Conservation and Protection;water pollution control;Flue gas treatment;Exhaust gas treatment;sell electronics,Chemical Products,Equipment;Professional contractors.(Enterprises independently choose operating projects according to law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the city's industrial policies.)

Kyokuto Kaihatsu Kogyo Co., Ltd. engages in the manufacture and sale of specialty vehicles and environmental equipment. It operates through the following segments: Specialty Vehicles, Environmental Business, and Real Estate Leasing. The Specialty Vehicles segment manufactures and distributes dump trucks, tailgate lifters, tank tucks, garbage trucks, trailers, and vans. The Environmental Business segment deals with recycling facilities, maintenance services, and outsourcing. The Real Estate Leasing segment includes multi-level parking equipment, coin parking operation, and real estate leasing services. The company was founded on June 1, 1955 and is headquartered in Nishinomiya, Japan.

Guizhou Yuanda Environmental Protection Engineering Co., Ltd., established on 2003-07-03, Business scope includes legal,regulations,Those prohibited by the State Council's decision shall not operate;law,regulations,The State Council has decided to allow(approval)of,After approval by the examination and approval authority(approval)file management;law,regulations,The State Council has decided that a license is not required(approval)of,Market entities independently choose to operate.(General operating items:Environmental Engineering Design;Environmental engineering general contracting;Environmental Pollution Control;sewage treatment,Investment in waste management projects,Operation management and general contracting;Environmental product technology development and consulting services.**License the project:(none).***)

Shijiazhuang Xuzeng Technology Co., Ltd., established on 2020-03-16, Business scope includes new material technology promotion services.Research and development of new energy technology,Technology Promotion,Technical Services;hardware products,auto parts,Auto Accessories,furniture,Toy,lubricating oil,pet supplies,Packaging Materials,Glass product,Equipment,Instrumentation,Office Supplies,Daily necessities,household products,electronic product,knitted goods,apparel,shoes and hats,bags,Insulation Materials,Wholesale and retail of household appliances.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Huzhou Jiankai Rehabilitation Products Co., Ltd., established on 2010-03-19, Business scope includes technical research and development of medical devices,technology transfer;Disinfectant,Health food sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Anhui Hualin Food Co., Ltd., established on 2008-01-11, Business scope includes aquatic products and their products(Frozen Grilled Eel)Production,Sales(Operate within the validity period of the license);eel farming,Sales;Self-operated or agent import and export business of various commodities and technologies.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Alstom SpA engages in the electricity, gas, steam and air conditioning supply. The company is headquartered in Rome, Italy.

Sinosteel Anshan Research Institute of Thermo-Energy Co. Ltd. is a Chinese company located in Anshan and ultimately controlled by the Government of China that develops coal products.

DKS Co., Ltd. engages in the production and sale of surfactants and other fine chemicals. It operates through the following segments: Surfactants, Amenity Materials, Urethane Materials, Electronic Device Materials, Functional Materials, and Life Science. The Surfactants segment deals with nonionic, anionic, cationic, and amphoteric surfactants. The Amenity Materials segment manufactures and sells sucrose fatty acid esters along with cellulose-based, vinyl-based, and acrylic-based polymer materials. The Urethane Materials segment offers polyether polyol, urethane prepolymer, and urethane systems. The Functional Materials segment consists of photo-curable monomers and oligomers, water-based urethane resins, flame retardants, and amide lubricants. The Electronic Device Materials segment provides conductive pastes for electronic parts, ionic liquids, and injection molding pellets. The Life Science sells health supplements. The company was founded by Kozaemon Ohno, Kakichiro Nakamura, and Mohei Ono in April 1909 and is headquartered in Kyoto, Japan.