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About us

The process industry specialist

Above all, specialists in our field

RNI was created in 2007 by a team of technicians who are passionate about their work.

We have successfully established ourselves in the water treatment market through the design of wastewater treatment plants.  

It is around this speciality that we have built an independent design office, specialising in piping, general installation and boiler making, diversifying our areas of competence and expertise over the years. 

This diversification led us to set up our engineering division in 2023, rounding out our offering with a full range of project management and design services, with 2 objectives: 

  • Becoming a partner offering a full range of services to our customers 
  • Offering our team a wide range of career options, tailored to their needs

In order to support our customers’ investments and be as close as possible to their day-to-day challenges, we also provide technical assistance at the heart of industrial sites. 

Our business is built on human relationships and a passion for technology, and we share our values of respect and quality with our team, customers and partners on a daily basis: it’s in this spirit that we work and make progress every day. 

Jean-Luc Balcer



Our ambitions

Keeping people and simplicity at the heart of th ecompany and its projects

To be a local partner that listens to its customers and partners

Provide a recognised technical expertise

Our values

We base all our development ambitions on four fundamental values: customer satisfaction, humility, sharing and passion:


The satisfaction of our customers, partners and suppliers. At RNI, there are no small customers. Every project is treated with the utmost importance


Humility: we are aware of our expertise but also of our room for improvement, and we try to improve every day


Sharing each other’s ambitions, successes and feedback


The passion for technology and innovation that drives us every day

RNI in key figures



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Our history


Health and safety are essential to RNI in the provision of its services, in order to ensure the best possible working conditions for its employees, customers and partners.

We are committed every day to promoting a Health, Safety and Environment culture and have benefited from MASE certification since 2018. 

Every year, management implements a series of committed action plans, as part of a continuous improvement approach, to ensure a better quality of life at work for its entire team. 

Our employees are trained in all the risks associated with their job (chemical risks, electrical and hydraulic approvals, training in the use of harnesses and scaffolding, SST training). 

Respect for the environment is a daily concern and a long-term challenge that we need to incorporate into the way we live and work. 

We discuss and share ideas on these themes during our “Causeries”, which provide an opportunity for exchange, training and the implementation of best practice.

We’re there for you every day

More about us

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