The TT Plast company, based in Targowisko, is one of the leading manufacturers of casing pipes in Poland. The company's products are mainly used in the electrical and energy industries. The company started its activity in 2002 from the production of electrical installation equipment (including: corrugated pipes made of PP and PVC, rigid RL type pipes with accessories and electrical installation ducts). In 2008, the company's offer was extended with halogen-free products. To meet the needs of the market, in 2010 TTPlast started the production of double-layer corrugated pipes, and in 2012 rigid casing pipes for the ground and for open spaces. In 2014, split casing pipes, also known as repair pipes, were introduced to the offer, closing the range of casing pipes to the ground.