Rowan Williams Davies & Irwin Inc.

engineering and consultancy services in the areas of wind engineering, snow ice engineering, wind tunnel testing, computation fluid mechanics modeling, environmental sciences, building and structural engineering services, sustainability engineering, geoscience, hazard and risk management, catastrophe modeling, hydrogeology, air quality and ventilation, climate and meteorology, acoustics, noise and vibration, tuned mass damper design and commissioning, sports aerodynamics, waste management and computer software consultancy services

engineering and consultancy services in the areas of wind engineering, snow ice engineering, wind tunnel testing, computation fluid mechanics modeling, environmental sciences, building and structural engineering services, sustainability engineering, geoscience, hazard and risk management, catastrophe modeling, hydrogeology, air quality and ventilation, climate and meteorology, acoustics, noise and vibration, tuned mass damper design and commissioning, sports aerodynamics, waste management and computer software consultancy services

Class 042: Technology consultation and research in the field of engineering with regards to wind loads, wind pressures, pedestrian comfort, exhaust stack and air intake design, acoustics, noise and vibration, ventilation, snow and ice impacts, sun, shade, glare, indoor air quality, snow loading, snow drifting and thermal comfort relating to commercial and residential buildings, bridges, institutional, health care, science and technology facilities, entertainment venues, airports, bridges, bus and rail stations, parking facilities, roads, highways and tunnels

Class 042: Technology consultation and research in the field of engineering with regards to wind loads, wind pressures, pedestrian comfort, exhaust stack and air intake design, acoustics, noise and vibration, ventilation, snow and ice impacts, sun, shade, glare, indoor air quality, snow loading, snow drifting and thermal comfort relating to commercial and residential buildings, bridges, institutional, health care, science and technology facilities, entertainment venues, airports, bridges, bus and rail stations, parking facilities, roads, highways and tunnels

Technical consultation and research in the fields of wind loads, wind pressures, pedestrian wind comfort, snow control, air pollution, air quality and aerodynamics studies relating to highways, railways, bridges, buildings and other structures