Versalis | 29,640 followers on LinkedIn. Chemistry to evolve | Versalis (Eni) is the largest Italian chemical company with a global presence in the plastics and rubber markets. It holds market stewardship in manufacturing and in the commercialization of intermediates, polyethylene, styrenics and elastomers. Over the last few years, Versalis has also been focusing on the bio-based industry, establishing a dedicated business unit and developing an integrated technological platform in line with its business strategy.