-Guaranteed- Electrical, Security, Comms, Solar Company Logo design

Esto es lo que see attached file buscaba en su logo design

My company, Electrospark Technologies Pty Ltd is a fresh new Australian company that specialises in electrical, communications, security and solar system design and installations (renewable energy systems). I am set firm on the font style (or close to) and colours of the company name as can be seen in the supplied file. I like the shadowing as i feel this will make the design stand out on a vehicle but i am open to suggestions. Design will be used on a trailer and on vehicles, simplicity is the key but must look professional.
I need 4 app style buttons that will be spaced evenly below the company title. I have attempted these to give an idea of the concept (I cant draw!!), i need it to be tidied up and to look more professional.
I am open to ideas on what will be in the tiles, the symbols must represent the following in order:
Electrical (no plugs or sockets)
Renewable energy systems e.g. solar/wind
Security systems
Communications
Please keep simple as thi… Leer más