Building construction services; Installation, maintenance and repair of electrical systems; Installation, maintenance and repair of plumbing systems; Installation, maintenance and repair of heating, ventilation, and air conditioning systems; Construction management in the nature of construction supervision

Building construction services; Installation, maintenance and repair of electrical systems; Installation, maintenance and repair of plumbing systems; Installation, maintenance and repair of heating, ventilation, and air conditioning systems; Construction management in the nature of construction supervision

Aircraft landing parts and assemblies, namely, cylinders, pistons axles, bogie beams, drag braces, torque arms, shock strut assemblies and parts for all of the foregoing