In 1989, Heselden founded Hesco Bastion Ltd to manufacture containers of the same name; filled with sand or earth, they quickly found favour with the armies of several countries, as they allowed effective blast walls, barriers and revetments to be quickly constructed. Made in Hesco's factory in Leeds, these were shipped (flat-packed) in great numbers to conflict zones, including Kosovo, Iraq and Afghanistan, as well as later being used for flood defences at New Orleans. He was appointed Officer of the Order of the British Empire (OBE) in the 2006 Queen's Birthday Honours, "for services to the Defence industry and to Charity."