
Thanks to the diversity of its expertise, JSL Energies Services supports its clients throughout the entire lifecycle of their industrial installations: new-build projects, upgrades, operations and maintenance. We provide subject-matter specialists able to work at every stage – engineering, construction, testing (commissioning) and start-up – as well as on high value-added assignments such as training, planning, project management and industrial risk simulation. Combining agility with technical rigour, we ensure safe, efficient interventions that are perfectly tailored to the requirements of each industrial environment.
Sectors of operation
From greenfield project to maintenance
Oil & Gas
This is our core business. We work across the entire project lifecycle, from engineering through to commissioning, in disciplines such as ICSS, electrical engineering and instrumentation:
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UPSTREAM
Production facilities (onshore/offshore), FPSO -
MIDSTREAM
Storage, LNG plants, transport (pipelines) -
DOWNSTREAM
Refining, petrochemicals, chemicals

Nuclear
We work at every stage of industrial projects: installation and commissioning of new equipment, upgrade and refurbishment of existing installations, as well as decommissioning of obsolete units.
Our preferred areas of intervention are site supervision and the testing phases.

Renewable energies
The development of renewable energies is central to the transition towards a more sustainable, environmentally-friendly economy. Drawing on transversal expertise similar to that deployed in the oil and gas sectors, we actively support the roll-out of low-carbon energy projects.

Infrastructure
Rail, dams and bridges are sectors that are constantly developing worldwide. We contribute to large-scale projects through our specialists in testing and commissioning.


