Civil Site Supervisor
About Us J. de Jonge Group is a leading player in the industrial energy transition, with offices in Vlaardingen (The Netherlands), Belgium, Saudi Arabia, Germany, and the United States. We are one of the largest and most well-established organizations in the Netherlands, with several independent divisions specializing in engineering, manufacturing, and maintenance. These divisions work […]
Engineering Design for Pipeline Renewal
At JMEC Engineering, part of J. de Jonge Mechanical, we deliver integrated engineering solutions that enhance reliability, safety, and long-term performance within complex brownfield environments. A recent project focused on the renewal and redesign of an aging pipeline system, combining two vegetable oil lines into one coordinated scope. The objective was to restore integrity […]
J. de Jonge Mechanical Secures Cooling Tower Reconstruction Project
We are proud to announce that J. de Jonge Mechanical has been awarded a new project for the replacement and reconstruction of a cooling tower installation. The project includes the installation of a new cooling tower consisting of three modular cooling cells, which will be placed on the existing concrete water basin. Our scope […]
Project Update: Amsterdam Tank Terminal Infrastucture
The first milestones have been reached in the prefabrication of piping for a major infrastructure project in Amsterdam’s tank terminal sector, at our Fabrication Yard in Vlaardingen. A manifold measuring approximately 28 × 11 metres, featuring 12″, 16″ and 20″ piping with complex geometries, is currently being assembled. The system will be fully fabricated, hydrotested and […]
NOG Energy Week 2026 Abuja
We are pleased to be exhibiting at the NOG Energy Week Conference & Exhibition in Abuja, Nigeria! J. de Jonge is showcasing integrated solutions partner for the local energy industry, with expertise in: • Mechanical & Piping • Loading Technology & Jetties • Electrical & Automation • Storage Tanks & Foundations • Specialties […]
Precision Restoration of a Heat Exchanger Gasket Face
A heat exchanger with a damaged tubesheet gasket surface came to our new Koggehaven workshop and required restoration. After weld build-up to repair the packing face, the surface had to be machined back to specification. Limited accessibility due to internal tube coating prevented installation of a conventional flange facing machine. Protecting the coating was […]
Texas Vibes at the J. de Jonge BBQ
Every year, our leadership team cooks and takes a moment to thank our team members for their dedication and hard work. With a Texas BBQ & Rodeo theme, this year’s event brought everyone together for an evening of great food, fun, and appreciation. Last year, we held the BBQ at the same location when […]
Herring on Tour 2026
For centuries, Vlaardingen has been one of the most important herring cities in the Netherlands. The city’s rich herring tradition continues to bring people together every year. Last week, we hosted our annual Herring on Tour. It was a wonderful opportunity to connect with clients, partners, and colleagues while enjoying delicious herring and good company. […]
Jubail Facility welcomes Dutch ambassador
J. de Jonge Saudi Arabia had the honor of welcoming Mr. Hans, Ambassador of the Kingdom of the Netherlands to the Kingdom of Saudi Arabia, to our Jubail facility. The visit provided a valuable opportunity to present our operations, exchange insights on ongoing developments, and further strengthen the longstanding relationship between the Netherlands and […]
Safety is what we do together
At J. de Jonge, safety is more than procedures; it is reflected in the actions of our people every day. Recently, our team members demonstrated outstanding commitment by responding quickly and effectively in emergency situations, supporting one another when it mattered most, and introducing smart ideas that contribute to a more sustainable way of […]
