Precast technology allows incredible structures to be built all over the world that we live, work, and play in. Precast concrete manufactur- ing plays a critical role in projects ranging from skyscrapers to shopping centers. But precast isn’t just for buildings. Year after year, new structures are built and space in prime locations is more difficult to find. The same precast technology used in construction projects is used creating the space that accommodates them. How? Precast retaining walls.