For over 130 years, Alfred H Knight (AHK) has been at the centre of the metals and minerals industry, providing experienced, professional and reliable technical services in chemical analysis, inspection and mine support. AHK is an independent market leader with offices and laboratories placed strategically in the world's major mineral and metal sourcing and consuming locations. In order to meet the changing needs of the mineral and metal industries, while also adapting to accommodate developments to the market, AHK has grown organically through a programme of continued investment. We now have operations in over 35 countries.