This article highlights the top 10 magnesium oxide manufacturers and suppliers globally in 2025, showcasing their profiles, locations, and key products.
Magnesium oxide (MgO) is a versatile and widely used chemical compound that finds its applications across various industries, including construction, pharmaceuticals, and agriculture. The demand for high-quality magnesium oxide is consistently increasing due to its diverse uses, and as a result, several key players in the market are actively involved in its production and distribution. This article highlights the top 10 magnesium oxide manufacturers and suppliers globally in 2025, showcasing their profiles, locations, and key products.
Meishen Technology Co., Ltd. is a leading Chinese supplier of magnesium oxide products, specializing in high-purity MgO for a range of applications in the food, chemical and industrial sectors.
Headquartered in Hebei, China, Meishen Technology serves clients across Asia, Europe, and North America, with a reputation for high-quality and cost-effective magnesium oxide products.
· Magnesium Oxide: High purity MgO for many applications including food, medicine, silicon steel, electronics, etc.
· Magnesium Hydroxide: Meishen's magnesium hydroxide is favored for its high efficiency and low environmental impact.
· Magnesium Carbonate: It is widely used in food additives, medicines and various industrial processes.
Israel Chemicals Ltd. (ICL) is a multinational manufacturer of specialty chemicals and fertilizers, including magnesium oxide. The company is highly recognized for its wide range of high-quality products and its significant impact on the global chemical industry.
Headquartered in Tel Aviv, Israel, ICL has operations in more than 30 countries worldwide. The company has production facilities in Israel and various other regions, including Europe and North America.
· Magnesium Oxide: Primarily used in agriculture, industrial, and environmental applications.
· Potash: A key fertilizer product.
· Phosphates: Used in food, agriculture, and industrial applications.
Premier Magnesia, LLC is a significant player in the global magnesium oxide market. The company has been involved in the production and distribution of magnesium-based products for over 70 years. Premier Magnesia prides itself on its innovation and sustainability efforts.
Headquartered in Las Vegas, Nevada, USA, Premier Magnesia operates in key regions like North America, Europe, and Asia, with strategic partnerships and facilities across these continents.
· Magnesium Oxide: Known for its high-quality MgO, used in a wide array of industries, including agriculture, chemicals, and environmental services.
· Magnesium Hydroxide: A safer alternative to traditional chemicals, used in wastewater treatment.
· Magnesium Chloride: Used in de-icing and dust control.
RHI Magnesita
RHI Magnesita is a global leader in the production of refractory materials, including magnesium oxide products. The company offers a range of products used in various industries, including steel production, cement manufacturing, and energy.
With headquarters in Vienna, Austria, RHI Magnesita operates over 30 production sites across Europe, Asia, and the Americas. The company has a strong global reach, serving a diverse set of customers in the industrial sector.
· Magnesite-Based Refractories: Used in the production of steel and non-ferrous metals.
· Magnesium Oxide: A key component in refractory applications.
· Cement and Lime: Products used in the construction industry.
Ube Industries Ltd.
Ube Industries Ltd. is a Japanese multinational conglomerate known for its expertise in the chemical, pharmaceutical, and industrial sectors. The company manufactures high-quality magnesium oxide used in several critical industries.
Headquartered in Ube City, Japan, Ube Industries has a strong international presence, with operations across Asia, North America, and Europe.
· Magnesium Oxide: Used in pharmaceuticals, food additives, and industrial applications.
· Chemicals: Includes products like specialty chemicals for the automotive and construction industries.
· Pharmaceuticals: A broad range of pharmaceutical products for various medical needs.
Baymag Inc. is a North American producer of magnesium oxide, with a strong presence in the global market. The company is known for its commitment to quality and sustainability in the production of magnesium products.
Located in Alberta, Canada, Baymag serves customers across North America, Europe, and Asia. The company operates a world-class facility that produces high-purity magnesium oxide for various industries.
· Magnesium Oxide: High-purity MgO for industrial applications.
· Dead Burnt Magnesite: Used in the steel industry and refractory products.
· Magnesium Hydroxide: Used in environmental and industrial applications.
Konoshima Chemical Co., Ltd. is a leading manufacturer of specialty chemicals, including magnesium oxide. The company focuses on providing high-purity products for industrial and chemical applications.
Based in Japan, Konoshima Chemical has a broad presence in Asia and other key international markets, serving a variety of industrial sectors with its magnesium oxide products.
· Magnesium Oxide: Used in a variety of chemical processes.
· Calcium Oxide: Important for industrial processes.
· Pharmaceuticals: Supplies raw materials for the pharmaceutical industry.
Grecian Magnesite is a leading producer of magnesium-based products, particularly magnesium oxide. With decades of expertise in the field, the company is known for its high-purity magnesium oxide products, which are used in a variety of industrial applications.
Based in Northern Greece, Grecian Magnesite has a robust international presence. The company operates production facilities in Greece and serves customers worldwide, primarily in Europe, Asia, and the Americas.
· High-Purity Magnesium Oxide: Used in refractory materials, agriculture, and chemical industries.
· Magnesite: Raw magnesite for various industrial applications.
· Dead Burnt Magnesite: A key material for steel production and refractory applications.
Tateho Chemical Industries Co., Ltd. is a prominent Japanese company specializing in the manufacture of magnesium oxide. Known for its advanced production technologies, Tateho Chemical supplies high-purity magnesium oxide products for various industrial applications.
Headquartered in Osaka, Japan, Tateho operates internationally, particularly in Asia and North America. It has developed a reputation for its high-quality products and efficient production processes.
· Magnesium Oxide: Used in a range of industries, including chemicals and construction.
· Refractories: High-performance refractories for high-temperature industries.
· Specialty Chemicals: A broad range of chemicals for industrial use.
U.S. Magnesium LLC is one of the largest producers of magnesium products in the United States, specializing in high-quality magnesium oxide and magnesium hydroxide. The company has a strong reputation for its advanced production technologies and its contributions to the magnesium industry.
Headquartered in Salt Lake City, Utah, U.S. Magnesium operates its primary production facility at the Great Salt Lake. The company serves customers across North America and internationally, with a strong presence in the steel, refractory, environmental, and agriculture industries.
· Magnesium Oxide: High-quality MgO used in industrial applications, including steel manufacturing, refractory materials, and environmental processes.
· Magnesium Hydroxide: A key product for environmental applications, including water treatment and air pollution control.
· Dead Burnt Magnesite: Used in high-temperature processes, particularly in the steel industry and refractory materials.
Magnesium oxide is an essential industrial mineral with a broad range of applications, from construction to pharmaceuticals. The top manufacturers and suppliers of magnesium oxide play a crucial role in meeting global demand, offering high-quality products to various industries. By selecting reputable companies, industries can ensure the reliability, performance, and sustainability of their operations. As magnesium oxide continues to be an integral part of many sectors, these manufacturers are likely to remain key players in the market for years to come.