About

Our firm professionally sells and services (247) the following systems in the States of South Dakota North Dakota Wyoming Nebraska and Montana.Fire Alarm--EST Life Safety and Communications (SD West River and ND)Silent Knight (SD East River)Commercial Sound--Harman ProfessionalCommercial Intercom and Clock--DUKANECAREHAWK and Telecor (MT & ND)Professional Sound Systems--Harman Professional Electrovoice Telex and Renkus HeinzNurse Call--TelecorCCTV--Pelco and Arcvision TechnologyCATV & MATV--Blonder TongueCARD ACCESS and DOOR ENTRY--Keri & InterlogixDRIVE UP INTERCOM-- 3MIf you have need of our services in South DakotaMontana Wyoming North Dakota or Nebraska please call (605) 348-3633Michael Amick-President & General Manager Lowell Carlson-Vice President