If you see this text then you need to update your flash player.
Click on Image or Drag the Slider for More Information

A History of Growth and Diversification

Unimin is defined by its history of growth and diversification. We are a strategic assembly of superior mineral deposits, advanced production technologies and skilled and innovative people; organized to deliver a quality and performance advantage.

The quest for complementary minerals and services is never ending. With each acquisition Unimin gains new expertise and the ability to deliver from a more comprehensive portfolio of products and services. With each diversification we improve our technical leadership and reinforce our service capabilities.


Original Plant Located in Gore, Virginia

Unimin is defined by its history of growth and diversification. We are a strategic assembly of superior mineral deposits, advanced production technologies and skilled and innovative people; organized to deliver a quality and performance advantage. With each acquisition Unimin gains new expertise and the ability to deliver from a more comprehensive portfolio of products and services.

1970
Unimin is incorporated with the acquisition of local industrial sand producing companies in Virginia and Minnesota. Three years later SCR-Sibelco of Belgium becomes a major investor in Unimin Corporation.


Frac Sand Plant Construction at LeSueur, Minnesota

Unimin is defined by its history of growth and diversification. We are a strategic assembly of superior mineral deposits, advanced production technologies and skilled and innovative people; organized to deliver a quality and performance advantage. With each acquisition Unimin gains new expertise and the ability to deliver from a more comprehensive portfolio of products and services.

1977
Strategic alignments with the glass and energy services industries help secure the Company's future and Unimin embarks upon an aggressive campaign of acquisition, renovation and new construction.


Cleburne, Texas Plant Added in Martin Marietta Acquisition

Unimin is defined by its history of growth and diversification. We are a strategic assembly of superior mineral deposits, advanced production technologies and skilled and innovative people; organized to deliver a quality and performance advantage. With each acquisition Unimin gains new expertise and the ability to deliver from a more comprehensive portfolio of products and services.

1983
Unimin acquires the quarries and plants of Martin Marietta's Industrial Sand Division to establish the Company as a nationwide US supplier. One year later Sibelco becomes the majority shareholder of Unimin Corporation.


High Purity Quartz Plant, Spruce Pine, North Carolina

Unimin is defined by its history of growth and diversification. We are a strategic assembly of superior mineral deposits, advanced production technologies and skilled and innovative people; organized to deliver a quality and performance advantage. With each acquisition Unimin gains new expertise and the ability to deliver from a more comprehensive portfolio of products and services.

1986
Efforts to diversify both customer base and product portfolio lead to growth in the semi-conductor, rubber and coatings industries with acquisitions in the US of high purity quartz, microcrystalline silica and feldspar.


Nepheline Syenite Operations in Nephton, Ontario

Unimin is defined by its history of growth and diversification. We are a strategic assembly of superior mineral deposits, advanced production technologies and skilled and innovative people; organized to deliver a quality and performance advantage. With each acquisition Unimin gains new expertise and the ability to deliver from a more comprehensive portfolio of products and services.

1990
Unimin expands into Canada with the acquisition of the nepheline syenite and industrial sand operations and the Company becomes a global supplier to the glass, ceramics, paint and plastics industries.


Underground Olivine Mining in Aaheim, Norway

Unimin is defined by its history of growth and diversification. We are a strategic assembly of superior mineral deposits, advanced production technologies and skilled and innovative people; organized to deliver a quality and performance advantage. With each acquisition Unimin gains new expertise and the ability to deliver from a more comprehensive portfolio of products and services.

1994
Unimin takes an important step in its international development with acquisitions of olivine and nepheline syenite in Norway and with olivine, bentonite and custom-blended products in the US for its metallurgical, foundry and refractory customers.


Silica Production at Lampazos, Mexico

Unimin is defined by its history of growth and diversification. We are a strategic assembly of superior mineral deposits, advanced production technologies and skilled and innovative people; organized to deliver a quality and performance advantage. With each acquisition Unimin gains new expertise and the ability to deliver from a more comprehensive portfolio of products and services.

1997
To better serve a rapidly growing infrastructure and industrial customer base now operating in Mexico, Unimin acquires the industrial silica and sodium and potassium feldspar operations of Grupo Materias Primas. Capital investments in the US produce high purity quartz for the next generation of semiconductors.


Traralgon, Australia Lime Operations

Unimin is defined by its history of growth and diversification. We are a strategic assembly of superior mineral deposits, advanced production technologies and skilled and innovative people; organized to deliver a quality and performance advantage. With each acquisition Unimin gains new expertise and the ability to deliver from a more comprehensive portfolio of products and services.

2000
The Company acts decisively to serve Southeast Asian and Pacific markets through a series of industrial mineral acquisitions in Australia. Unimin further diversifies its North American mineral portfolio with the addition of ball clay and kaolin.


Industrial Sand Plant in Jaguaruna, Brazil

Unimin is defined by its history of growth and diversification. We are a strategic assembly of superior mineral deposits, advanced production technologies and skilled and innovative people; organized to deliver a quality and performance advantage. With each acquisition Unimin gains new expertise and the ability to deliver from a more comprehensive portfolio of products and services.

2002
Unimin expands into South America with industrial mineral acquisitions in Brazil and Venezuela and invests further in Mexico. The Company adds calcium carbonate, dolomite, limestone and prepared ceramic bodies to its product portfolio.


Red Hill Quartz Operations in Bakersville, North Carolina

Unimin is defined by its history of growth and diversification. We are a strategic assembly of superior mineral deposits, advanced production technologies and skilled and innovative people; organized to deliver a quality and performance advantage. With each acquisition Unimin gains new expertise and the ability to deliver from a more comprehensive portfolio of products and services.

2006
Strategic acquisitions in Australia and Brazil improve the Company's ability to serve its growing customer base in those regions. Unimin adds lime, limestone and precipitated calcium carbonate to its product mix for pulp, paint, plastics, building products and environmental applications.


Lime Operations in Calera, Alabama

Unimin is defined by its history of growth and diversification. We are a strategic assembly of superior mineral deposits, advanced production technologies and skilled and innovative people; organized to deliver a quality and performance advantage. With each acquisition Unimin gains new expertise and the ability to deliver from a more comprehensive portfolio of products and services.

2008
Unimin grows with GCC, lime and limestone acquisitions in Chile, Argentina and Colombia and lime operations in North America, and strengthens its complementary product offerings with acquisitions of zircon, rutile and ilmenite operations in Australia. Unimin adds new global icon of the Sibelco Group to its corporate logo.


Tenth Frac Sand Plant Commissioned, Kasota, Minnesota

Unimin is defined by its history of growth and diversification. We are a strategic assembly of superior mineral deposits, advanced production technologies and skilled and innovative people; organized to deliver a quality and performance advantage. With each acquisition Unimin gains new expertise and the ability to deliver from a more comprehensive portfolio of products and services.

2010
Strategic operating and asset realignments form Unimin South America and Unimin Australia as autonomous business units and reinforce the European multi-mineral platform of Unimin's parent company, Sibelco.