At Groupe Riverin, quality control is part of our offer. We employ 30 technicians, engineers and QA workers; they perform their task in land surveying, quality control of ready mix concrete, in quarries, at asphalt mixing plants and on job sites to document different types of work like paving quality, soil compaction. We use mobile equipment and have state of the art labs in the Saguenay (2) region and in Quebec City.