For more than 130 years, we've successfully guided large and small cement projects around the world– whether it's a single machine or an entire plant, and whether your approach is do-it-yourself or turnkey.We have an established record of meeting performance guarantees and deliver solutions to achieve both high quality cement and consistently high production levels Holcim's Ste. Genevieve plant in USA is the World's largest cement production line, producing 12,000 tonnes of clinker a day and it complies with the most stringent environmental regulations.