Companies based in Seongnam

thumbnail|Kim Taek-jin, founder and CEO

South Korean company

South Korean telecommunication service provider

South Korean entertainment, mass media and publishing company

Humax () is a consumer electronics company. Founded in South Korea in 1989, it manufactures set-top boxes, digital video recorders and other consumer electronics. It is publicly traded on KOSDAQ.

South Korean video game developer, based in Seoul

South Korean company

Smilegate () is a South Korean video game company. It is headquartered in Pangyo, Seongnam, South Korea. It develops, publishes, and services online games on mobile and PC platforms. Established in South Korea in 2002, it is the creator of Crossfire, an FPS game with over six million concurrent players across the globe, and many more titles. Smilegate is a corporate group owned by Smilegate Holdings. As of 2022, it was the third largest game company in South Korea, according to The Korea Economic Daily.

ON Media Corporation ("Orion Network Media"), is a South Korean broadcasting company. Formerly a subsidiary of Korean food company Orion Confectionery and conglomerate company Tongyang Group and Kumho Asiana Group, it was acquired by the CJ Group in 2010. Established in 2000, the company is headquartered in Seongnam, Gyeonggi Province and is a leader in the pay television industry in South Korea. On-Media also delivers cable TV and broadband services.

South Korean company

KakaoBank Corp. (stylized as Kakaobank; ) is a South Korean financial institution specializing in mobile banking services and financial technology. It was founded in 2016 through a collaboration between Korea Investment Holdings and Kakao Corp.