.Over the last 100 years, Celanese has evolved from a small experiment in a backyard shed in Switzerland to a global technology and specialty materials company with leading businesses in key geographic regions. The Dreyfus brothers had a vision for the company that included discovering market needs and finding ways to fulfill them. By honing their ability to diversify and adapt, the brothers were able to expand the company to one of the largest chemical manufacturers in the world. With a focus on safety, innovation, productivity, culture, performance and results, Celanese is positioned to achieve significant future growth and deliver exceptional results for all stakeholders