[2] Trelleborg focuses on the designing and manufacturing of polymer technology, their main products include seals, hoses and antivibration solutions.

According to the Financial Times, the company currently employs 15.65k people and has earned 34.17 billion SEK in revenue.

In 2003, Trelleborg AB began manufacturing polymer-based precision seals[citation needed] In 2009, the European Commission fined several marine hose producers, including Trelleborg AB, "...for participating in a cartel for marine hoses between 1986 and 2007 in violation of the ban on cartels and restrictive business practices in the EC Treaty (Article 81) and the EEA Agreement (Article 53).

"[4] In mid-2012, Trelleborg and Freudenberg formed a 50–50 joint venture in anti-vibration applications for light and heavy vehicles, called TrelleborgVibracoustic.

[5] In 2022, Trelleborg acquired the Lindau-based aerospace interiors company, MG Silikon GmbH, an entity within Saint-Gobain Group,[6] and the US-based company Minnesota Rubber & Plastics from private equity firm KKR for US$950 million.