1999 foundation of STS Signal Technik Sprenger GmbH by Wolfgang and Andreas Sprenger,  leading shareholders

2001 development of the branch ZB- phones for Siemens Moving Technologies

2003 development of a handsfree set in co-operation with Messrs Berkom

2005 development of a thermocycler for the DNA research for Messrs Advalytix

2006 co-operation with Crack-IT / exterior bell production solely by STS .

2007 by the end of this year our senior head Wolfgang Sprenger retreated from active business  into his well deserved retirement

2008 laying of foundation stone for our own premises in the business park “Zum Kugelfang” in Naila.

         > in  March  1st spade cut  by our first mayor

         > in May change to a new logo of our firm

         > in July roofing ceremony of our new building

         > end of August removal from the old “Heibl-building” to our own firm premises in Naila

         > 17. November - taking possession complete puncing shop of Emil Müller GmbH / Wilhermsdorf        

         > 21. November - official opening of our new building