Zeller+Gmelin is an independent, medium-sized family business that was founded in Eislingen in 1866. Over the decades, ZG has developed into an international partner for high-quality lubricants for industry, vehicles and machines as well as printing inks and chemical products. With approx. 1000 employees worldwide and 15 subsidiaries, Zeller+Gmelin delivers to 80 countries around the world and, in addition to Eislingen, has one production site each in the USA, China and Great Britain. The high-quality products occupy a leading position on the international market. 

Zeller+Gmelin offers individual and holistic solutions from a single source, from research and development to production. For years, the company has been successfully working to reduce its ecological footprint and, since January 2020, has been the first chemical company in Baden-Württemberg to be allowed to call itself a "climate-neutral site".