KyungDong has been leading the energy industry of Korea through development of coal, the only energy resource of korea, since19070s. In today, the company is becoming the No.1 private coal mine through production of 1mil tons of coal annually inside 2,222HA of 11 mining lots. Further, the company has started to develop resource, such as flaming coal in China and Australia and set up head office for construction for various constructions including road. KyungDong has been appointed as excellent company in safety management for eight conductive years by MOTIE and acquired Geumtop order of industrial service merit from national quality management competition.

KyungDong gas has started its business from briquette in 1977 and changed the direction to city gas supply in 1984. The company has been establishing supply chain through scientific plumbing design. Further, the company is expanding its business to gas air conditioner, heater, small steam supply and power generation, research on hydrogen energy by using natural gas. KyungDong gas is supplying natural gas around Woolsan and Yangsan. In addition, the company has been building up gas station over the nation since Yul-ri CNG gas station has been built. KyungDong gas has been selected as the excellent enterprise with organization structure by stock exchange center for conductive two years. Further, it has awarded prime minister prize for conglomerate category from 2003 new labor management culture as 26 parts of tradition and inter-labor management culture.

KyungDong ENS is an construction company which is putting all efforts on setting plumbing infra structure for expansion of city gas supply for Ulsan, Yangju for the last 30 years since 1984. KyungDong ENS has newly established distribution department in 2003 and attempting to provide knowhow for establishment of logistic system of importer and exporter efficient distribution.

KyungDong One, which has started as the holding company for managing investments of affiliates and brand, has merged with KyungDong Ceratech and KyungDong Network in July of 2012. KyungDong one consists of business parts of Ceratech, which leads energy saving and safe living environment, and Network, which establishes optimal living environment through home network system in which cutting-edge technologies are integrated, based on own business department which is for system establishment, investment and strategic brand along with eco-friendly composite technology. KyungDong One is becoming the leader of future living environment leading energy saving through concentration of competence and maximization of synergy businesses as a result from merger between three affiliates.

KyungDong Navien has grown as professional boiler manufacturer of Korea since its foundation in 1978. The company has topped for condensing boiler, export and total sales in Korea in 1988, 1990 and 2001 respectively as well as still maintaining its position. Especially, the company has awarded grand prize for new technology product frontier award, KS-QEI and grand prize for CO2 reduction for two conductive years. Currently, KyungDong Navien has expanded its business to air conditioner, ventilation system and home network as well as is becoming the creator of living environment which can optimized room temperature.

KyungDong Everon is a professional manufacturer of parts and produces the key parts of energy facilities. KyungDong Everon is abbreviation of Ever (always) and On (turned on) that it represents the will of the company to become the leader of key parts which vitalizes products continuously like heart, the core of life. Currently, the company is developing heat exchanger, gas and oil burner, circulating pump, fan which are internal parts for boiler. Especially, pin-type stainless heat exchanger, which is the core part of KyungDong condensing boiler, has been developed by KyungDong Everon for the first time in the world that its value is still being acknowledged.

KyungDong TS (Total Solution & Service) is specialized in services for boiler, water heater, ventilation and home network system. Further, the company leads protection of customer rights and service through excellent service and engineer through training in training center. Further, KyungDong TS is becoming a global professional service company under customer-satisfaction management.

KyungDong Ceratech has been leading perlite industry in Korea by developing the world’s best perlite through constant investment in R&D. The company has been striving to recover urban environment and prevent global warming through green roof system which uses eco-friendly artificial earth. Further, the company has been contributing to growth of national industry, energy saving and stability of residential area through insulation technology of LNG transportation ship, various plant and fire resistive covering material with excellent fire resistance. Further, the company has built factory in Gonsan of China for entering Chinese market.