Lawrence Walsh Engineering & S, 607 Aldwych Rd, El Cajon, CA 92020, US

Cass Construction is a family-owned company, established in 1974 as a general engineering contractor. Its operations include grading, sewer, water, storm drain, concrete structures, pump stations, and other specialty areas of construction. The firm performs work for public agencies and private industry. It specializes in pipeline installations for large home subdivisions to complex municipal replacement projects. Its dry utilities division specializes in commercial and residential subdivision installations. The firm s structural concrete division provides drainage structures, culverts, trapezoidal channels, cast-in-place retaining walls, storm drain outlets, and concrete pump stations. The firm is a member of the Building Industry Association of Southern California and Associated Builders and Contractors. Cass Construction has branch locations in El Cajon and Perris, Calif.