NUMTECH is a French company specialised in the field of air quality and meteorological calculations. For this, NUMTECH has developed and use effective and innovative digital tools. NUMTECH currently has 19 employees. NUMTECH is the market leader in France for modeling the weather and atmospheric dispersion. Its customers are mainly large companies such as TOTAL, EDF, Suez Environment, Rhodia-Solvay and Michelin, local and regional authorities and research institutes such as CEA, INERIS, InVS and DGA. Main area of expertise : simulation of meteorology and air-quality, specially at local-scale (industrail site, city-scale).