AQ Wiring Systems STG Sp. z o.o.

AQ Wiring Systems STG Sp. z o.o. (previously named Gerdins Cable Systems) was founded in 1997 as a result of joint-venture between Connecto AB from Sweden and Alphabet Stoneridge Inc. from USA. In March 2003 the company was  bought out by Swedish company Cablage Team AB (Gerdins Group). In October 2016 was bought out by AQ Group, which is the only one shareholder.

Production activity was began in 1999. First company products were produced for ABB Robotics, Ericsson Telecommunication and John Deere. In the following years the company expanded activities  in following sectors: industrial, medical, agricultural, marine, appliance and automotive.

The company is located in Starogard Gdański (northern Poland) and has a modern building with an easy access to the main roads. Furthermore has well educated staff,  and is self-sufficient  and independent in logistics, engineering, quality, IT and production processes.

AQ Wiring Systems STG Sp. z o.o. is working according to  ISO 9001:2008, ISO 14001:2004, ISO/TS 16949:2009 norms and UL standard.


  • System supplier.
  • Complex and simple harnesses production.
  • Design service.
  • Global purchasing within AQ Group.
  • Electronic components assembly.

„Business Gazelle” AWARD

With great pleasure we received information that our company was appreciated in the 17th edition ranking of the fastest growing companies in Poland among „Business Puls” magazine. Criteria for ranking refers to sales results in 2013-2015. All the more we are proud as it is 4th time in a row our company was awarded.

Ewa Sulewska, Managing Director received a reward confirming our membership in the elite group of „Business Gazelle”.

MEDAL for Supporting Entrepreneurship Development

Mrs Ewa Sulewska was awarded for engagement in creating appropriate conditions for leading and developing modern company, activity in favour export development and high level of quality production. She was also appreciated for creating positive businessman image. Awarding ceremony took place in our company on April the 4th, during Starogard Business Club meeting. 



Krone, Dieteg, Elektron Spelle, Nordson, Komatsu, Scania Omni, Zoeller Tech, ABB, Bombardier Transportation, Overaasen, Note, Danfoss, Lachenmeier, DeLaval, Vaderstad, Cargotec, Glova Rail, Indexator and many more.