Penny Window has an established online presence — pennywindowstl.com was first registered on October 28, 2011, 14 and a half years ago.
Websites like this with a 14½-year history are uncommon and typically indicate a well-established business.
How Penny Window compares
3.8 ★
Google rating
14 yrs
online since 2011
31
window & door installation providers in area · 28 rated 4+★
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