The Hyundai Motor Company is a South Korean multinational automotive manufacturer. It has various vehicle lineups, brand vision, and global campaigns like clean mobility, sustainability, art, and sports partnership. The company was founded in 1967 and, along with its 32.8% owned subsidiary, Kia Motors, together comprise the Hyundai Motor Group, which is the world's fifth-largest automaker based on annual vehicle sales in 2012. In 2008, Hyundai Motor (without Kia) was ranked as the eighth largest automaker. As of 2012, the company sold over 4.4 million vehicles worldwide in that year, and together with Kia total sales were 7.12 million.

Autoliv Development AB, part of Autoliv, Inc., is a company headquartered in Sweden that provides scientific and technical research and development services.

Hyundai Dymos, Inc. manufactures and distributes vehicle driving equipment. Its products include transmissions, axles, and seats for passenger cars and commercial vehicles. The firm distributes products to defense organization and transportation industry. The company was founded in February 1994 and is headquartered in Chungnam, South Korea.

Kia Motors Corporation, commonly known as Kia Motors.(Korean: 기아자동차; Hanja: 起亞自動車, IPA: [ki.a], lit. "Kia automobile"; stylized as KIɅ), headquartered in Seoul, is South Korea's second-largest automobile manufacturer, following the Hyundai Motor Company, with sales of over 3.3 million vehicles in 2015. As of December 2015, the Kia Motor Corporation is minority owned by Hyundai, which owns a 33.88% stake valued at just over US$6 billion. Kia in turn is a minority owner of more than twenty Hyundai subsidiaries ranging from 4.9% up to 45.37%, totaling more than US$8.3 billion.

Hyundai Mobis Co., Ltd. engages in the manufacturing of automotive parts and components. It operates in through following business divisions: Module, Core Automotive Parts, Future Automobile Industry, After-Sales Parts, Overseas Original Equipment Manufacturer and Purchasing. The Module division provides chassis module, cockpit module and front-end module. The Core Automotive Parts division offers safety products, lighting products, brake system, steering parts, AVNT, UVO system, plastic parts, wheel and deck. The Future Automobile Industry division provides advanced driver assistance system parts and eco-friendly parts. The After-Sales Parts division offers genuine parts and genuine accessories. The company was founded by Mong-Koo Chung on June 25, 1977 and is headquartered in Seoul, South Korea.

DAS Co., Ltd. is a South Korean private company located in Hwaseong that provides industrial automation products and solutions.

Hoover Universal, Inc., a subsidiary of Adient plc, is a company headquartered in Plymouth, MI, that manufactures automotive seats and plastic parts.

Hassett & Willis Associates LLC provides management consulting services. The firm's services include data integrity, visualization, modeling and simulation, research and policy analysis, strategic planning, organizational change and improvement, stakeholder outreach, strategic communication, and program investment. The company was founded by Wayne Willis and Julie Hassett in 2005 and is headquartered in Washington, DC.

Dymos, Inc. is an American private company located in Norwalk, CT, that provides wholesale trading services.

Autoliv ASP, Inc. designs and manufactures automobile safety restraint systems. It offers airbag inflators, seatbelts, cushions, steering wheels, electronics, seat subsystems and other automotive products. It also provides testing of automotive safety products for vehicle manufacturers. The company was founded in 1996 and is located in Ogden, UT

Hyundai IHL Co., Ltd. specializes in manufacturing automotive lamps. The firm lamp, bulbs, LED, LED module and mold. The company was founded in October 1993 and is headquartered in Gyeongju-si, South Korea.

Impact Solutions is a privately held staffing firm that specializes in permanent, temporary and temporary to permanent staffing solutions.

Delta Kogyo Co. Ltd. is a private company headquartered in Angi-Gun, Japan, that designs automobile seats.

Suzhou Haishenda Machinery Technology Co., Ltd., established on 2012-09-07, Business scope includes research and development,Sales:electronic product,And provide corresponding after-sales service;Production,processing,Sales:Mechanical equipment and accessories,mold,hardware,cutting tool,metal products;Installation of mechanical and electrical products,Sales and Repair;Sales:Labor protection supplies;Equipment,Technology development in the field of automation equipment,technology transfer,technical consulting,Technical Services. (Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Nihon Techno Co. Ltd. is a Japanese private company located in Tokyo. The firm provides power distribution services. Nihon Techno Co. Ltd. controls a large interest in EF-ON, Inc. (32.62 %).

Seoyon is an investment holding company that conducts business as such. The company manufactures vehicle seats, molds, urethane foams, and other related goods through its subsidiaries. By making an investment in a young, expanding firm that is anticipated to have a high value in the future, they will concentrate on how they may increase company value.

GMI Co., Ltd is a private company headquartered in the South Korea that provides construction services.