HDR has an established online presence — hdrinc.com was first registered on December 29, 1994, almost 32 years ago.
Websites like this with almost 32 years online are among the longest-running among network & structured wiring in Rapid City.
How HDR compares
31 yrs
online since 1994
46
network & structured wiring providers in area · 38 rated 4+★
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