Construction services; Construction of pre-engineered metal buildings; Installation of pre-engineered metal buildings and metal building additions; Welding services namely for machinery, buildings, stairs, conveyors, or platforms; Welding repair services; Fabrication services for commercial and industrial applications; Fabrication services namely for machinery, buildings, stairs, conveyors, or platforms; Fabrication repair services; Relocation of machinery; Steel reinforcement services; Metal renovations of buildings; Construction of metal additions to buildings; Metal reinforcing of structures; Steel erection services; Steel framing services; Design and installation of metal stairs; Design and installation of cage and access ladders; Design and installation of catwalks and suspended walkways; Design and installation of bridge decks; Design and installation of nelson studs; Design and installation of sign structures; Building design; Design of buildings; Design of structural steel; Design of prefabricated buildings; Project management for steel erection; Project management for prefabricated buildings; Project management for building projects; Heavy rigging services; Pre-casting services namely pre-casting walls; Industrial maintenance services