Bombardier Transportation GmbH develops, designs, and constructs rail transportation systems. The company broadest portfolio in the rail industry and delivers products and services. The company was founded in 1974 and is headquartered in Berlin, Germany.

Metrotech Corp. provides instrument solutions for underground utilities. The company provides services to the telecommunication cables and power utilities. Its products include Cable fault locating, cable locating, fiber optic line locating, marker locating, metal detection, sewer inspection and water leak detection. Metrotech is headquartered in Santa Clara, CA

Safety Training & Consulting is one of the most diverse and successful safety and health service providers. STC offers training programs, management support, and speciality support services for construction, mining, energy, solar, and industrial Safety Culture & Processes. In addition to regulatory, craft, staffing, task, and equipment training, Safety Training & Consulting also offers training for many other industrial needs. The training program mimics a real day-to-day work environment, establishing a workplace mindset from the start. The company offers equipment consultations and training services for the use of safety equipment that is required for any job, task, or project. They set themselves apart from their competitors by focusing on safety training about the equipment needed and proper usage of that equipment.

Korea Railroad Research Institute is a South Korean private company. The firm operates as railway research body.

HYUNDAI ROTEM Co. engages in the manufacture and sale of railway vehicles. It operates through the following business divisions: Railway, Defense, and Plant. The Railway business division produces railway vehicles such as high speed trains, electric multiple units, magnetically levitated vehicles, diesel multiple units, locomotives, passenger coaches, and light rail vehicles. The Defense business division offers ground weapon systems such as tanks, family vehicles, wheeled armored vehicles, and simulators. The Plant business division provides plant facilities such as car manufacturing systems including press lines, car body line and painting lines, total turnkey engineering for steel making facilities, environmental plants including pollution control plants, and water treatment plants, wind power facilities that provide solution to the rising energy shortage and environmental issue. The company was founded on July 1, 1999 and is headquartered in Changwon-si, South Korea.

WOOJIN Inc. engages in the production and sale of industrial measuring machines and control devices. It operates through the following business areas: Nuclear Power Plants, Automation Equipment, Flow Meter and Flow Meter System and Condition Monitoring System (CMS). The Nuclear Power Plant business provides ICI, RSPT, indicator and IHA Cable. The Flow Meter and Flow Meter System business offers proving system and metering system. The Automation Equipment business develops Main-Lance, Sub-Lance and ATMS. The CMS business provides normal and axial vibration CMS. The company was founded by Lee Sung-Bum on May 13, 1980 and is headquartered in Hwaseong, South Korea.

Chengdu Railway Communication Equipment Co., Ltd., established on 1996-07-17, The scope of business includes the manufacture of railway communication signal products,processing,Design and related technical services;system integration;Design of low-voltage power distribution products and related technical consultation;Computer System Technical Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

CRRC Tangshan Rolling Stock Co., Ltd., established on 2007-07-10, Business scope includes manufacturing of railway transportation equipment(The operating permit)railway vehicle,EMU,DMU,Maglev train,special vehicle,test car,Sales of urban rail vehicles and accessories,Leasing and technical consulting services(Except for projects involving administrative licensing);Metal Products Processing;Steel structure welding(Except for projects involving administrative licensing);Wood processing;Realtor;Goods and technology import and export business(Except for items restricted or prohibited by the state),customs clearance;Manufacture of Class I and II pressure vessels,General cargo;Railway rolling stock maintenance;oxygen[compressed or liquefied],argon[compressed or liquefied],carbon dioxide[compressed or liquefied],nitrogen[compressed or liquefied]retail(Hazardous chemicals business license is valid until2020year9moon26day)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

TianJin 712 Communication & Broadcasting Co., Ltd. engages in the research and development, production and sale of wireless communication equipment for militaries and civilians. Its products include railway communication, digital interphone, urban rail transit communication, maritime communication, law enforcement monitoring, and track navigation equipment. The company was founded in 1936 and is headquartered in Tianjin, China.

National Railroad Passenger Corp. provides intercity rail passenger transportation services. It provides ancillary business, which include operating commuter railroads services on behalf of various states and transit agencies, and infrastructure access to commuter agencies. The company was founded in 1971 and is headquartered in Washington, DC.

Korea Monorail Co., Ltd. is a South Korean private company located in Wonju-si. The firm manufactures transport systems. It was founded in 1993. Moo-Young Hwang is currently the CEO of the company.

KB AutoTech Co., Ltd. is a holding company, which manufactures automotive air-conditioning system and heat exchanger. The firm's products include thermal control system for bus, special equipment, and home appliance. It is also engaged in research and development of automotive climate control system and automotive technolgy. The company was founded in October 1962 and is headquartered in Asan, South Korea.

Woojin Industrial Systems is a development of the domestic railroad vehicle industry. They provide mass transit equipment services, renewable energy, propulsion systems, static inverters, on-board equipment, automated people movers, diesel-electric multiple units, electric multiple units, personal rapid transit, electric buses, and train components.

Jiangsu Saite Electric Co., Ltd., established on 2006-09-12, Business scope includes wire,cable,Bridge,Busway,street light,high pole light,Solar street light,Wind-solar hybrid street light,High and low voltage electrical equipment,Manufacture of high and low voltage cable accessories,processing,Complete set of electrical equipment,Technical Advisory Services,Sell ​​the company's own products,Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that the state restricts enterprises to operate or prohibits import and export).Various construction activities;Power facility installation,undertook,Take the test;Metal Material Sales;Metal Structure Sales;Pump and vacuum equipment sales;Valve and Cock Sales;Machinery sales;Wholesale of hardware products(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Designhansa is an agency that specializes in marketing, strategies, product design, and exhibition service to its clients.

CRRC Qingdao Sifang Co., Ltd. engages in the manufacturing of high-speed trains, urban rail transit vehicles; and the export of rail transit equipment. Its products include high-speed electric multiple units (EMUs), inter-city EMUs, subway vehicles, modern trams, monorail vehicles, high-end railway passenger cars, and internal combustion EMUs. The company was founded in 1900 and is headquartered in Qingdao, China.

Korea Gas Corporation produces clean energy such as natural gas to improve the convenience and the welfare of the people. The company manufactures and supplies natural gas, purifies and sells gas-related by-products, develops and operates production facilities and distribution network, and explores, imports, and exports natural gas for domestic and overseas markets. It supplies it to power generation plants, gas-utility companies, and city gas companies. The company is fully committed to delivering clean, safe, and convenient energy to the people of Korea. Korea Gas Corporation was founded in August 1983 and is headquartered in Daegu, Korea.

Part of Doohan Construction Co., Ltd., Shinyoung Technology Co. Ltd. is a South Korean company that manufactures printing ink. The firm was founded in 1994.