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Never those guys, but I have used www.yardsignsco.com, the sign quality was great but the order took a week longer than expected and when I got it it was short by 10... They do have really good prices though.

I have to say 90% of my business came from road signs! 18x24" 2 color 1 and 2 sided. I have signs up from 2 years ago I am still getting calls from.