Sentinel the Alarm Company has an established online presence — sentinelsafe.com was first registered on January 10, 2005, 21 and a half years ago.
Websites like this with 21 and a half years online are among the longest-running among access control & intercom in McKinney.
How Sentinel the Alarm Company compares
#1
of 41 rated access control & intercom in McKinney
5.0 ★
above the 4.6 area avg
Top 1%
in McKinney access control & intercom
21 yrs
online since 2005
42
access control & intercom providers in area · 40 rated 4+★
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