| 37 |
advisory services relating to the building alterations |
| 37 |
advisory services relating to the building and repair of airports and airport facilities |
| 37 |
advisory services relating to the building renovations |
| 37 |
advisory services relating to the construction and repair of airports and airport facilities |
| 37 |
advisory services relating to the construction of buildings |
| 37 |
advisory services relating to the construction of buildings and other structures |
| 37 |
advisory services relating to the construction of public works |
| 37 |
advisory services relating to the installation of audiovisual equipment |
| 37 |
advisory services relating to the installation of building automation equipment |
| 37 |
advisory services relating to the installation of communication equipment |
| 37 |
advisory services relating to the installation of fire prevention equipment |
| 37 |
advisory services relating to the installation of heating and cooling apparatus |
| 37 |
advisory services relating to the installation of hydraulic equipment |
| 37 |
advisory services relating to the installation of lighting apparatus |
| 37 |
advisory services relating to the installation of passenger elevators |
| 37 |
advisory services relating to the installation of passenger lifts |
| 37 |
advisory services relating to the installation of plumbing |
| 37 |
advisory services relating to the installation of security and safety equipment |
| 37 |
advisory services relating to the installation of telephone equipment |
| 37 |
advisory services relating to the installation, maintenance and repair of mechanical and electrical equipment |
| 37 |
advisory services relating to the maintenance and repair of mechanical and electrical equipment |
| 37 |
advisory services relating to the maintenance of buildings |
| 37 |
advisory services relating to the maintenance of plumbing |
| 37 |
advisory services relating to the maintenance of vehicles |
| 37 |
advisory services relating to the maintenance, repair and renovation of buildings and other structures |
| 37 |
advisory services relating to the renovation of buildings |
| 37 |
advisory services relating to the renovation of property |
| 37 |
advisory services relating to the repair of buildings |
| 37 |
advisory services relating to the repair of motor vehicles |
| 37 |
advisory services relating to the repair of plumbing |
| 37 |
advisory services relating to vehicle maintenance |
| 37 |
advisory services relating to vehicle maintenance services |
| 37 |
advisory services relating to vehicle repair |
| 37 |
aeroplane maintenance |
| 37 |
aeroplane maintenance and repair |
| 37 |
aeroplane maintenance and repair services |
| 37 |
aeroplane maintenance services |
| 37 |
aeroplane repair |
| 37 |
aeroplane repair and maintenance |
| 37 |
aeroplane repair and maintenance services |
| 37 |
aeroplane repair services |
| 37 |
aeroplane weapon maintenance and repair |
| 37 |
aeroplane weapon maintenance and repair services |
| 37 |
air conditioner cleaning services |
| 37 |
air conditioner washing services |
| 37 |
air conditioning apparatus cleaning services |
| 37 |
air conditioning apparatus installation |
| 37 |
air conditioning apparatus refurbishment |
| 37 |
air conditioning apparatus rehabilitation |
| 37 |
air conditioning apparatus renovation |