There are a total of 27 Bayer sports clubs located around the company's Leverkusen, Dormagen, Uerdingen and Wuppertal-Elberfeld production sites. These clubs have a total membership of about 50,000 and offer a wide range of sports activities at recreational, club and championship levels and for disabled people.
TSV Bayer 04 Leverkusen is the biggest club to be sponsored by the company and has about 10,000 members. The sports clubs traditionally have close links with the company and express this by incorporating the Bayer name and the Bayer cross in their club emblem and wearing it on the club's strip.
Below is a list of clubs with links to their own websites.