COMAL is specialised in: 1. Storage of petroleum, bio and other liquid products; 2. Cargo handling of petroleum , bio and other liquid products; 3. Storage of fuels and oils in case of ship renovation works or other circumstances; 4. Collection, treatment and disposal of waste oil, oily water, waste and oil sludge, soil contaminated with petroleum waste, drilling waste and other industrial waste; 5. Maritime transport; 6. Road transport, including hazardous materials; 7. Cleaning and washing stationary tanks and ships, tank cars and trucks.