Sustainability Progress 2026

Sustainability progress is built one step at a time.   As we reach the halfway point of 2026, we’re sharing how J. de Jonge continues to reduce its environmental footprint and strengthen sustainable operations. From energy efficiency and waste reduction to fleet electrification and environmental certifications, this report highlights our progress, lessons learned, and next […]

HLP Three-Spindle Pump Overhaul

At J. de Jonge HLP, we successfully overhauled a three-spindle pump, including the renewal of essential components, a complete leak test, and the application of a protective coating.   This refurbishment ensures reliable performance, extends the pump’s service life, and restores confidence in its operational capabilities.  

Recertified ISO 9001 & ISO 45001 in Saudi Arabia

A great achievement for J. de Jonge Saudi Arabia, successfully completing the ISO 9001:2015 (Quality) and ISO 45001:2018 (Safety) recertification audit, carried out by Quality Esnad, without any non-conformities. This excellent result is a well-deserved recognition of our team in Saudi Arabia for their dedication, professionalism, and strong focus on both quality and safety. Special […]

Tank Maintenance in progress at Aglobis Europoort

The TankX team is currently executing preventive maintenance activities, including tank jacking to install Foamglass insulation on top of the foundation and carrying out tank mechanical activities. This work helps reduce heat loss through the tank bottom, improving energy efficiency and operational performance.   Proud of the professionalism, craftsmanship, and safety-focused execution demonstrated by our […]

Ownership makes the difference

Across our projects, colleagues continue to demonstrate what our safety culture is all about: taking ownership, acting proactively, and putting people first.   Whether by preventing incidents, identifying risks, or speaking up when something doesn’t feel right, these actions make a real difference. A great reflection of our safety mindset: “You See It, You Own […]

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   […]

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