(Galesburg, IL)  –  A Galesburg business is announcing a multi-million expansion project that is taking place at Aluminum Casings Corporation.  Galesburg Mayor Sal Garza says the project will add additional square footage to their l plant and more jobs over the next two years.  Aluminum Casting has produced sand mold aluminum castings since 1964 in the Galesburg area.  They an affiliate of the Alcast Company.