DPE has engaged in many projects of varying sizes and applications. Principally, DPE concentrates on projects related to Petroleum,
Petrochemical, Chemical and other hazardous liquid storage applications. In the last 15 years, DPE has participated in various massive infrastructure projects participating in the development of the oil and gas sector in Malaysia and Indonesia with strong product sales into Fiji, Saudi Arabia, Singapore, Australia and Vanuatu.

DPE has been a preferred manufacturer and supplier for world major oil and gas companies.