Union Interlocking Stone Inc based in Ontario and cover all areas. Union Interlocking Stone Inc has been working throughout the Ontario state for many years and has many years of experience working in Architectural & Engineering Services. Union Interlocking Stone Inc offer a full Architectural & Engineering Services. The Staff have expert Architectural & Engineering Services skills, which enable them to carry out minor to major Architectural & Engineering Services projects. Formed in 1984 , Union Interlocking Stone Inc specializes in Architectural & Engineering Services.