Building Company needs a strong, serious logo design

This is what 'Norwest Structural' Getting the most out of your Home was looking for in their logo design

I need a logo design for a new building company based in Sydney called 'Norwest Structural'. I work in the residential sector modifying homes to get the most out of the space people have got.
I specialise in structural work, so the design can incorporate images that depict strong building materials/componants such as steel, timber beams, concrete etc.
I would like the logo to be original, strong looking and trustworthy and not gimicky. Read more