[Class : 42] Energy Auditing, Technical Consultancy In The Field Of Energy Saving And Energy Efficiency, Scientific Research In The Field Of Energy, Recording Data Relating To Energy Consumption In Buildings, Design And Development Of Energy Distribution Networks, Professional Consultancy Relating To The Conservation Of Energy, Professional Consultancy Relating To Energy Efficiency In Buildings, Advisory Services Relating To The Use Of Energy, Engineering Services Relating To Energy Supply Systems, Development Of Energy And Power Management Systems, Certification Services For The Energy Efficiency Of Buildings, Programming Of Energy Management Software, And Design And Development Of Energy Management Software