Every member of our ONE Martin Marietta team is driven by our shared values of safety, integrity, excellence, community and stewardship.
Our goal is to build a world-class organization committed to the long-term success of our employees, communities and other shareholders. We are a member of the S&P 500 Index and a leading supplier of aggregates and heavy building materials. Through a network of operations spanning 29 states, Canada and the Bahamas, our teammates supply the foundational resources on which our communities thrive and grow. Our Specialties business provides high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications.
We provide exceptional customer service and strive to be good neighbors in the 500 communities in which we operate. We also support each other while working to build a legacy that will make our loved ones proud. We know that together, we’ll make an impact that lasts far beyond tomorrow.
Omya is a worldwide distributor of specialty materials and a leading global producer of essential minerals. Producing a range of natural mineral products from calcium carbonate, dolomite, and perlite, the Omya Group has 160 plants across the world. With three technical centers, in Switzerland, the US, and Singapore, as well as a network of local laboratories providing innovation, R&D and technical resource, the Omya Group delivers value by providing solutions tailored to the needs of our customers and business partners. Founded in Switzerland in 1884 and privately owned, the Group employs 9,000 people in 50 countries.
Welcome to our official Lhoist page! Stay up-to-date with our projects, job openings, and latest news by following us. Lhoist Group is a global leader in lime, dolime and minerals, present in more than 25 countries across the globe.