On average, employees in Johnston, IA at GTG Companies give their company a 5.0 rating out of 5.0 based on 1, whereas overall Average Rating of GTG Companies is 5.0 out of 5.0 based on 1 GTG Companies Review Ratings. The happiest GTG Companies employees in Johnston, IA are Anonymous Employees submitting an average rating of 5.0.
"I have worked in construction for over 30 years. I have works on projects ranging from a couple thousand to hundred million, included residential to commercial."
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