ABB Group, part of ABB Ltd., is a Swedish company that manufactures electrical and electronic products.

Siemens AG is a technology company, which engages in the areas of automation and digitalization in the process and manufacturing industries, infrastructure for buildings and energy systems, mobility solutions for rail transport, and medical technology and digital healthcare services. It operates through the following segments: Digital Industries, Smart Infrastructure, Mobility, Siemens Healthineers, and Siemens Financial Services. The Digital Industries segment offers a product portfolio and system solutions for automation used in discrete and process industries. The Smart Infrastructure segment includes products, systems, solutions, services and software to support a transition from fossil to renewable energy sources. The Mobility segment combines all Siemens businesses in the area of passenger and freight transportation. The Siemens Healthineers segment develops, manufactures, and sells diagnostic and therapeutic products, and services to healthcare providers. The Siemens Financial Services segment focuses on financing solutions for Siemens’ customers as well as other companies in the form of debt and equity investments. The company was founded by Johann Georg Halske and Werner von Siemens on October 12, 1847 and is headquartered in Munich, Germany.

SGCC was founded on Dec. 29th, 2002 as a pilot state-owned corporation by the State Council. As a backbone state-owned enterprise that may affect national energy safety and economic lifelines, SGCC's core business is to build and operate power grids and provides secure and reliable power supply for the development of the society. With a registered capital of RMB 200 billion yuan and service area covering 26 provinces,autonomous regions and municipalities directly under the jurisdiction of the Central Government which equals to 88% of the national territory. SGCC carries out the president responsibility system. The president is the legal corporate representative of SGCC. By the end of 2005, SGCC accumulated a total asset of RMB1176.7 billion yuan with a debt-asset ratio of 61.96%, and possessed 195,899 km of 220kV and above transmission lines with a transforming capacity up to 616.64 GVA. SGCC has 1.502 million employees and serves 128 million customers. In 2005, SGCC sold electric power up to 1464.6 TWh and achieved an operation income of RMB 721.4 billion yuan with a net profit of RMB14.4 billion yuan profit & tax of RMB 60.4 billion yuan. SGCC was ranked the 40th in the Fortune Global 500 in 2005.

LSIS Co. Ltd., a subsidiary of LS Corp., is a South Korean company located in Anyang-si that manufactures transformer, circuit breakers and electric components.\nThe company says this about itself: LSIS says global companies are providing core solution, in which the competitiveness of energy convergence industry can be confirmed, in full force, spurred on by companies scrambling to nurture a new growth engine. This provides a good opportunity to inform overseas customers of tailor made customer solutions which can be commercialized anywhere in the world, as well as technology capabilities in the unrivalled DC based Smart Energy field.

Hitachi Industrial Equipment Systems Co. Ltd. engages in the manufacture, sale and servicing of industrial components and equipment. The company was founded on April 1, 2002 and is headquartered in Tokyo, Japan.

ABB AB engages in power and automation technologies. The firm composed of divisions including electrification products; discrete automation and motion; process automation; and power grids division. Its products include transformers, drives, air circuit breakers, power semiconductors, fluoride monitors, and indoor fuses. The firm offers services to the utility, industrial, and commercial customers. The company is headquartered in Västerås, Sweden.

Beijing SOJO Electric Co., Ltd. engages in the research, development, manufacture, and sale of power distribution and automation equipment. It specializes in low-voltage (LV) and medium-voltage (MV) switchgear, pole mounted switch, European type substation, American type substation, and accessories. The company's products include solid insulated ring man unit (RMU), sectionalising cabinet, metal enclosed switchboard, cubicle type RMU, LV removable switchboard, vacuum circuit breaker, vacuum electromagnetic circuit breaker, insulated pole mounted load switch, and intelligent segment controller. It also offers accessories such as power distribution automation device, switchgear controller, fault indicator, and cable accessories. Beijing SOJO Electric was founded on December 13, 2002 and is headquartered in Beijing, China.

Westinghouse Electric Company is the supplier of safe and innovative nuclear technology. Westinghouse Electric Company provides utility customers around the world with the most reliable, dependable nuclear power plants, nuclear fuel, plant automation and operating plant products and services. The company is driven by its history and experience, ground-breaking ideas, focus on safety and sustainability.

Sumitomo Electric Industries, Ltd. engages in the manufacture and sale of electrical wires, cables, and other communication wiring products. It operates through the following business segments: Automotive, Infocommunications, Electronics, Environment and Energy, and Industrial Materials and Others. The Automotive segment supplies wiring harnesses, anti-vibration rubber products, and other automotive parts. The Infocommunications segment offers optical fiber cables, optical fiber fusion splicers, optical data links and other optical components, and access network system products. The Electronics segment provides electronic wires, compound semiconductors, materials for electronic components, and irradiated products. The Environment and Energy segment includes copper wire rods, electric power cables, magnet wires, power systems, and supervisory telecontrol equipment. The Industrial Materials and Others segment consists of special steel wires, cutting tools, diamond and cubic boron nitride tools, and sintered parts. The company was founded in April 1897 and is headquartered in Osaka, Japan.

Pinggao Group Co., Ltd. is a company headquartered in Pingdingshan, China and ultimately controlled by the Government of China. The firm manufactures and distributes high-voltage transformers and related equipment. Yong He Li is the current CEO of the company.\nThe company says this about itself: Pinggao Group Co., Ltd. is a company directly subordinated to the State Grid Corporation of China. It is a major technical equipment pillar company in the electrical industry in China. Its business scope covers R&D, design, manufacturing, sales, testing, related equipment sets, service and project contracting for transmission and distribution equipment, and core business. For medium voltage, high voltage, ultra high voltage and ultra high voltage AC and DC switching equipment manufacturing, research and development, sales and maintenance services. Pinggao Group is the first batch of innovative leading enterprises in Henan Province.

Beihai Yinhe Switchgear Co., Ltd., established on 2006-10-31, The business scope includes complete sets of power equipment,Switchgear,circuit breaker,Design of switches and related components,develop,Production,Sales and after-sales service(The above items involved in the examination and approval must be operated with a license),Self-operated and agent import and export of various commodities and technologies(Except for the goods and technologies that the state restricts the company to operate or prohibits the import and export of).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Meidensha Corp. engages in the manufacture and sale of electric appliances. It operates through the following segments: Social Infrastructure Systems Business, Industrial Systems Business, Maintenance and Servicing Business, Real Estate Business, and Other Business. The Social Infrastructure Systems Business segment manufactures and sells equipment for emergency and non-emergency power generation, hydroelectric power generation, and power transmission. he Industrial Systems Business segment produces and markets motors and inverters for elevators, textile machinery, and industrial and electric vehicles. The Maintenance and Servicing Business segment provides services relating to management and monitoring of facilities. The Real Estate Business segment offer property rentals. The Other Business segment offers welfare program services and chemical product manufacturing. The company was founded by Hosui Shigemune on December 22, 1897 and is headquartered in Tokyo, Japan.

S&C Electric Company is a global provider of equipment and services for electric power systems. Founded in 1911, the Chicago-based company designs and manufactures switching and protection products for electric power transmission and distribution. S&C's products help deliver electric power efficiently and reliably. Some are used to switch circuits. Others minimize damage to equipment in the event of a fault or reduce the area of an outage by automatically rerouting power flow; S&C's sophisticated power-quality products can deliver uninterrupted power for an entire facility, for crucial process industries. In addition, S&C offers a wide range of engineering, laboratory, and testing services for electric utilities and commercial, industrial, and institutional power systems.

Shenyang Haocen Electric Co., Ltd. engages in the research and development, design, and manufacture of transformers and box-type substations. Its products include medium voltage equipment, switchgears, energy efficient management systems, and environment friendly gas insulated ring network cabinets. The company was founded in 1998 and is headquartered in Shenyang, China.

Ningbo Youwei Power Technology Co., Ltd., established on 2012-09-06, Business scope includes research on electric power technology,to develop;Manufacture of electrical equipment,processing.

Dikang Electric Co., Ltd., part of Guizhou Changzheng Tiancheng Holding Co., Ltd., is a company headquartered in Beihai, China, that develops, manufactures and distributes electrical apparatus and related equipment. It was founded in 2004. Gui Hua Liu has been the CEO since 2014. Beihai Yinhe Apparatus Equipments Co. Ltd. acquired Dikang Electric Co., Ltd. from Galaxy Biomedical Investment Co., Ltd. on September 05, 2008 for $3.23 million.

Asia Power Equipment (Shenzhen) Co., Ltd., established on 1997-06-20, Business scope includes general business items:,The licensing program is:Power transmission and transformation and supporting control equipment,Power information and automation products,Design and development of new energy products and electric vehicle charging piles,Production,Technical service and operation,Import and export related supporting business,Research and development of intelligent control switches and high-tech products,Production,Sales,Maintenance service;Electrical Automation Engineering,Building Intelligent Engineering,Undertaking design of environmental protection and energy saving projects,Comprehensive technical service for installation;Design and development of professional application software and technical services in the electric power industry;Import and export business of self-produced products and related technologies(Except for export commodities that are managed uniformly by national organizations),Design of contracted power transmission, transformation and distribution power engineering,Install,debugging,Maintenance comprehensive technical service,contract(electricity)International engineering and domestic international bidding engineering business,And the equipment required for the above overseas projects,Material export(Office only,The production project license shall be declared separately).

Hebei Box Transformer Electric Co., Ltd., established on 2002-11-29, Business scope includes production and sales:High and low voltage electrical appliances, switches and complete sets of equipment, lightning arresters, high voltage fuses, disconnectors, line fittings, safety tools, copper wires, electric porcelain, insulators and installation and maintenance;Steel structure engineering construction;Sales:Household Appliances Medical Devices Needle Textiles Wood Edible Agricultural Products;New Energy Project Development Operation Management;Power engineering design and construction;Import and export business of goods and technology(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).