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The History of Allentown – Defining an Industry for 95 Years The first steps towards the development of the process known as “Shotcrete” were taken over 100 years ago and Allentown Equipment has been an integral part of this development from the very beginning. Today, Allentown is the premiere manufacturer of dry and wet process shotcrete equipment including pumping and gunning equipment and accessories. The process of spraying mortar onto a surface at high velocity was first used around the turn of the 20th century. Its inventor, Dr. Carl E. Akeley, used it to create life-like plaster forms of animals for use in his taxidermy work. Soon proto-types were developed for large-scale building projects and the process was formally introduced to the construction industry at the …