Building construction and repair; Construction services in the field of general contracting; Construction services in the fields of residential buildings, commercial buildings, and industrial buildings and plants; Building construction services; Construction services in the field of project representative services; Commercial building construction; Construction services in the field of project representative services, namely pre-construction coordination, construction and project coordination, and post construction close-out coordination; Remodeling of residential, commercial and industrial buildings and plants; Industrial building and Industrial plant construction; Building construction services as general contractors; Residential building construction; Maintenance of residential, commercial, and industrial buildings and plants