Creating The Next-Gen Industry. Since 1954, J de Jonge has been a trusted leader in EPC contracting, manufacturing and servicing. The company specializes in mechanical and piping systems, loading technologies, storage tank services and specialized industrial equipment.

As a family-owned company, we combine the expertise of a major business with a long-term commitment to every client. With decades of experience, we ensure the delivery of reliable, high-quality projects that are prepared to meet the challenges of tomorrow.