Stoneco Inc-Ottawa Lake Quarry

Heidelberg Materials North America, formerly known as Lehigh Hanson, is a leading supplier of cement, aggregates, ready-mixed concrete, and asphalt, with over 450 locations and approximately 9,000 employees across the continent. The company is dedicated to creating sustainable value through industry-leading products and solutions that meet the construction needs of customers worldwide. With a commitment to sustainability, Heidelberg Materials focuses on developing innovative solutions for built environments while promoting transparency and continuous improvement in the sustainable attributes of its products. The company has a rich history of supplying essential building materials for over a century, positioning itself as a trusted partner in the construction industry. Generated from the website

Martin Marietta Magnesia Specialties is a global leader in the production of high purity magnesia and dolomitic lime products, which are utilized in a wide range of applications worldwide. Their product offerings include magnesium hydroxide slurry and powder, magnesium oxide in various grades, and high purity dolomitic lime sourced from mined dolomitic limestone. With a commitment to sustainability, the company is actively reducing its carbon footprint and selling its products in environmentally friendly markets such as wastewater treatment and air pollution control. As a subsidiary of Martin Marietta, an American-based company, Martin Marietta Magnesia Specialties is known for its exceptional product quality and consistency. Their high purity magnesia and dolomitic lime products are trusted by industries in agriculture, electrical, steel, flame retardant, food grade, fuel additives, glass, mining, power generation, pulp and paper, refractory, steelmaking, rubber, plastic, wastewater treatment, and water treatment. With a strong focus on sustainability and a commitment to excellence, Martin Marietta Magnesia Specialties continues to be a leading supplier in the industry.Generated from the website