Concrete; precast concrete products in the nature of blocks, designed armor units, seawalls, culverts, pile sections, mooring anchor units, retaining walls blocks, caissons for construction work under water, articulated concrete systems comprised of concrete blocks, scour protection concrete armor units, gravity based building foundations, and concrete ballast for floating infrastructure

Engineering, development, and design services, all in the field of customized concrete and precast concrete products; technological consulting services in the field of selecting customized concrete and precast concrete products suitable for their intended uses; consulting in the field of structural engineering related to customized concrete and precast concrete products