TRI-CITY IRONWORKS, INC.

Welding services namely for machinery, buildings, stairs, conveyors, or platforms; Welding repair services in the nature of welding services for repair purposes; Fabrication services for commercial and industrial applications in the nature of cutting of metal, rebar fabrication, structural steel fabrication, shearing, breaking, bending, burning and rolling steel plate and sheet; Fabrication services namely for machinery, buildings, stairs, conveyors, or platforms in the nature of welding services for repair purposes; Fabrication services for commercial and industrial applications in the nature of fabrication of precast concrete structures; Construction project management services; Construction of pre-engineered metal buildings; Installation of pre-engineered metal buildings and metal building additions; Fabrication repair services in the nature of repair of fabrication machines; Steel reinforcement services in the nature of steel structure construction works; Metal renovations of buildings; Construction of metal additions to buildings; Metal reinforcing of structures in the nature of construction of metal structures; Steel erection services in the nature of steel erectors; Steel framing services in the nature of construction of steel frames; installation of metal stairs; installation of cage and access ladders; installation of catwalks and suspended walkways; installation of bridge decks; installation of nelson studs; installation of sign structures; Construction project management services in the nature of project management for steel erection; Construction project management services in the nature of project management for prefabricated buildings; Construction project management services in the nature of project management for building projects; construction services, namely, heavy rigging services; Pre-casting services namely pre-casting walls in the nature of construction of walls; Industrial machinery maintenance services; Design of metal stairs; design of cage and access ladders; design of catwalks and suspended walkways; design of bridge decks; design of nelson studs; design of sign structures; Building design; Design of buildings; Design of structural steel; Design of prefabricated buildings

Welding services namely for machinery, buildings, stairs, conveyors, or platforms; Welding repair services in the nature of welding services for repair purposes; Fabrication services for commercial and industrial applications in the nature of cutting of metal, rebar fabrication, structural steel fabrication, shearing, breaking, bending, burning and rolling steel plate and sheet; Fabrication services namely for machinery, buildings, stairs, conveyors, or platforms in the nature of welding services for repair purposes; Fabrication services for commercial and industrial applications in the nature of fabrication of precast concrete structures; Construction project management services; Construction of pre-engineered metal buildings; Installation of pre-engineered metal buildings and metal building additions; Fabrication repair services in the nature of repair of fabrication machines; Steel reinforcement services in the nature of steel structure construction works and structural construction works; Metal renovations of buildings; Construction of metal additions to buildings; Metal reinforcing of structures in the nature of construction of metal structures; Steel erection services in the nature of steel erectors; Steel framing services in the nature of steel frames; Installation of metal stairs; Installation of cage and access ladders; Installation of catwalks and suspended walkways; Installation of bridge decks; Installation of nelson studs; Installation of sign structures; Construction project management services in the nature of project management for steel erection; Construction project management services in the nature of project management for prefabricated buildings; Construction project management services in the nature of project management for building projects; Construction services, namely, heavy rigging services; Pre-casting services namely pre-casting walls in the nature of construction of walls; Industrial machinery maintenance services; Design of metal stairs; design of cage and access ladders; design of catwalks and suspended walkways; design of bridge decks; design of nelson studs; design of sign structures; Building design; Design of buildings; Design of structural steel; Design of prefabricated buildings

Welding services namely for machinery, buildings, stairs, conveyors, or platforms; Welding repair services in the nature of welding services for repair purposes; Fabrication services for commercial and industrial applications in the nature of cutting of metal, rebar fabrication, structural steel fabrication, shearing, breaking, bending, burning and rolling steel plate and sheet; Fabrication services namely for machinery, buildings, stairs, conveyors, or platforms in the nature of welding services for repair purposes; Fabrication services for commercial and industrial applications in the nature of fabrication of precast concrete structures; Construction project management services; Construction of pre-engineered metal buildings; Installation of pre-engineered metal buildings and metal building additions; Fabrication repair services in the nature of repair of fabrication machines; Steel reinforcement services in the nature of steel structure construction works and structural construction works; Metal renovations of buildings; Construction of metal additions to buildings; Metal reinforcing of structures in the nature of construction of metal structures; Steel erection services in the nature of steel erectors; Steel framing services in the nature of steel frames; Installation of metal stairs; Installation of cage and access ladders; Installation of catwalks and suspended walkways; Installation of bridge decks; Installation of nelson studs; Installation of sign structures; Construction project management services in the nature of project management for steel erection; Construction project management services in the nature of project management for prefabricated buildings; Construction project management services in the nature of project management for building projects; Construction services, namely, heavy rigging services; Pre-casting services namely pre-casting walls in the nature of construction of walls; Industrial machinery maintenance services; Design of metal stairs; design of cage and access ladders; design of catwalks and suspended walkways; design of bridge decks; design of nelson studs; design of sign structures; Building design; Design of buildings; Design of structural steel; Design of prefabricated buildings

Machinery installation, maintenance and repair; repair of cranes and machinery; and steel erecting and steel structure construction works all of the foregoing excluding gas turbines for aircraft