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DN Security Services, LLC, has been in business since 1986.
We have built our reputation by following through on our philosophy -
Give the client what they want: Consistent quality.

We have security programs to facilitate your budget.

San Francisco:
1208 Vicente St.
San Francisco, CA 94116
Phone: (415) 759-5056, Fax: (415) 759-5057
Santa Rosa:
420-C Tesconi Circle
Santa Rosa, CA 95404
Phone:(707) 575-6909 , Fax: (707) 575-6953
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