Started in 1963 as Masonry & Concrete Contractors, Grosvenor Masonry Inc. is a commercial general contractor that specializes in the installation of brick, block and stone. located in in Englewood, Colo., it serves area educational institutions, real estate developers and local municipalities. Its completed projects include the Eisenhower East Bound Tunnel, NOAA Boulder, University of Colorado Humanities Building in Boulder, University of Colorado Research Building and many other public schools. Grosvenor Masonry Inc. has expertise in areas, such as building, retaining, cast-n-place concrete, keystone retaining, free standing and decorative walls.