Rotary Engineering Limited. The Group's principal activities are engineering design, procurement and construction services for plants and associated facilities. Other activities include electrical and engineering contractor and supplier, contractor in mechanical piping and related works, contractor in engineering and scaffolding works, employment and advertising agent, insurance broker, electrical and engineering material traders, electrical testing and testing of switchgear equipment, trading of medical products and equipment, manufacture of cables and wires, steel fabrication and construction, investment holding, provision of integrated maintenance services, marketing, sales, rental, distribution and servicing of heavy machinery and equipment to plant and chemical process industry operators and provides insulation services and products for the oil and petrochemical industries. Project services accounted for 77% of 2002 revenues and maintenance and trading, 23%.