In the Petroleum Sector Rehabilitation Project initiated and financed by the World Bank, DIAK was awarded engineering projects valued at $1.3m to assist the distribution of petrol and oil products from Dar es Salaam to various inland destinations. The majority of the work involved the design and supply of refinery and oil depot distribution equipment. The equipment was installed on the premises of several major oil companies who participated with the World Bank in the project.

A few examples of the equipment are: