Dialog Group Berhad. The Group's principal activities are the provision of specialist technical services and products, provision of engineering, construction and maintenance services and petroleum retailing businesses to the oil, gas and petrochemical industry. Other activities include provision of plant turnaround and specialist maintenance work, bolting and on site flange face machining services, tensioning equipment supply, mechanical works, plant revamp and debottlenecking for oil, gas and petrochemical industry, marketing of specialty chemicals, catalysts and absorbents, petroleum additives and specialty equipment including pipe support systems and hydrogen generators. The Group is also involved in the provision of information technology support services, management consultancy services, investment holding and dealing and bulk chemical storage and handling services. The Group operates in Malaysia, Singapore and other countries.