Citadel Security USA Back to Search Citadel Security USA Categories Security Guards/Investigators Get Connected 201 W 3RD St STE 201 , Rifle , CO , 81650 PO Box 326 , Nixa , MO , 65714 (970) 625-4301 http://www.csidefend.com Membership Type Get Connected Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone