Logo for Latin American Construction Firm: Grupo Construmax

This is what Grupo Construmax was looking for in their logo design

We are a group of three construction firms with a very poorly designed logo from the 1980s. Its time for a change but what we want to keep are our basic firm colors which inspired our current logo:

Red: representing bricks (prefer darker shades of red)
Blue: representing glass (prefer darker shades of blue)
Gray: representing concrete

We would like the logo to be modern and elegant. And perfer you do not gather any inspiration from our existing material.

The firm's name is Grupo Construmax.

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