USS Cal Builders is an international general contracting firm specializing in new construction, modernization, design build, infrastructure, seismic retrofits and construction management. USSCALBUILDERS Provides professional construction services for commercial and industrial clients, as well as government agencies at the federal, state and local levels.Construction services include planning, development, preconstruction, general contracting, managemen t, design and build, engineer,procure and construct, maintenance and operations.