Advisory and consultancy services relating to building and construction; Advisory and consultancy services relating to underground building and construction; Building and construction services; Civil engineering building and construction services; Underground building and construction services; Underground civil engineering building and construction services; Installation and repair of underground cabling systems; Building and construction of overhead and underground networks; Installation, maintenance and repair of electrical apparatus; Electrical wiring services; Electrical engineering and installation construction services; Installation, maintenance and repair of solar energy systems; Installation, maintenance and repair of telecommunications apparatus; Installation of electronic communications and telecommunications networks

Advisory and project management services relating to design and engineering for building and construction; Civil engineering design and drawing services; Engineering design and consultancy services; Design of cabling systems; Design of electrical systems; Electrical engineering design and consultancy services; Design of communications and telecommunications systems and installations