G Peddie Engineers Limited was formed on 14th March 1983 and now operates as S & G Engineering Company from our factory on the Addison Industrial Estate, Ryton, Tyne & Wear. We are a privately owned family business with over fifty years experience in the industry. We have long been established as one of the leading manufacturers and suplliers of quality heating, ventilation and air conditioning ductwork covering the North East of England. Benefits. We design and manufacture our products 'in house' using the latest technologies available to the industry and because of this our customers are able to benefit from our competitive prices as well as reduced lead times.