Environmental assessment, characterization and rehabilitation



Design, construction and specialized maintenance


Soil and materials

Geotechnical and materials engineering


Hygiene, health and safety

Safe and healthy environments


Nvira, the environmental solutions experts

Founded in 2009, Groupe Petrosol is an oil and gas industry expert and an environmental leader in Quebec. In 2018, Groupe Petrosol created Tecsol, its environmental services subsidiary, which also offers geotechnical and materials engineering expertise.

In 2019, Groupe Petrosol acquired Airmax Environnement, Habitair and Laboratoire Verdict in order to break into the hygiene, health and safety market.

Now, in 2020, the company has four distinct areas of expertise marketed under three different brands. Groupe Petrosol has announced that it will streamline its services under a single banner. Nvira is born.

The scale of our organization sets us apart from our industry peers

100 +





provinces in which we provide our services


Environmental assessment and solutions

Nvira positions itself as an expert in environmental solutions. We offer a wide range of services that cater to our clients’ specific needs, as well as personalized, integrated solutions for everything from environmental assessments during the planning stage of a project to complete decontamination in order to restore the full value of a property.


Design, construction and specialized maintenance

Nvira is an industry leader when it comes to managing projects and facilities, as well as energy transformation, distribution and sales. Our team of professionals is committed to working with you to find a solution that meets your needs. Our certified experts conduct follow up of the highest quality to guarantee your satisfaction.


Soil and materials analysis

Our soil and materials expertise means you can take advantage of our geotechnical and materials engineering services as well as our soil analysis laboratory. Our team is right there with you at every step of your construction project—from geotechnical studies in the planning stage to materials control and work site supervision during construction. Our lab delivers fast and reliable sample analysis results.


For the well being of workers

Our team of hygiene, health and safety experts has been supporting the success of projects for over 20 years, by working to ensure good air quality and healthy environments. Our analysis lab delivers fast, reliable and valid results. Our expertise helps improve our clients’ indoor air quality to protect people’s health.


Join the Nvira team today and help us create the environment of the future.

Becoming part of the Nvira team means embarking on an adventure that can really take you places. We’re committed to making our employees’ experience exciting and enriching, and your professional development is a priority for us. We’re a big team, and you could be our next member!

The best solution for you

Our team of professionals conducts a detailed analysis in order to recommend the best solution for your current needs. We look forward to working closely with you to make your projects a reality.