Contact Us Location: Directions and Maps Orange Instruments Ltd is situated in Moulton Park, on the north side of Northampton with good access to the major cross country routes, M1, M6, A14, A1 and A6. Railway stations are close by at Northampton and Wellingborough and a local airfield at Sywell will accept light aircraft and helicopters. Our address is: Orange Instruments Limited. Lower Farm Road, Moulton Park, Northampton. NN3 6XF UK