Question: if i want to choes a logo to my constraction company what you suggest ? 

Answer: You could contact a logo company...you should be able to find one cheap in your area with a simple web search.  Make sure you specify that the logo be submitted in color in b&w (some logos which look great in one are barely readable in others).  Don't pick one that is too trendy, as it may look great now, but will look silly in 10 years.  And negotiate in advance to get the logo from the designer in a "vector" format for future use, as vector images are easily scalable to print large items like billboards, and also negotiate the rights for future use without royalties.
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