ChipTuning (http://www.chiptuning.pl/) The company deals mainly with automotive electronics, including development and sale of software that is used for diagnostic and mending of car electronic circuits.

Diagprog.co.uk (http://www.diagprog.org/)Service designet for products of ElproSys company.

Diagprog.co.uk (http://www.diagprog.co.uk/) English resaler website

The web site of the company Licznik.com.pl Licznik.com.pl (http://www.licznik.com.pl/) proposes you services related both to automotive electronic equipment and to GSM headphones.

See also Speed Buster company's web site Speed Buster (http://www.speed-buster.de/) – German internet pages of the company, which delivers modules and units exploited by the companies ElproSys and Licznik.com.pl within the confines of the ChipTuning project