Kelington Group Bhd. engages in the provision of engineering services, construction, and general trading. It operates through the following business segments: Service, Manufacturing and Trading, and Construction. The Service segment deals with renting skid tanks, and provision of scientific and technical research, 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.