Kelington Group Bhd. engages in the provision of engineering services, construction, and general trading. It operates through the following segments: Service, Manufacturing and Trading, and Construction. The Service segment deals with renting of skid tank and provision of scientific and technical researches, laboratory testing service, and experiments. The Manufacturing and Trading segment manufactures and trades industrial and specialty gases, equipment, and materials. The Construction segment provides engineering services and construction. The company was founded by Hung Keng Gan on December 16, 1999 and is headquartered in Shah Alam, Malaysia.