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A. F. Gelhar Co., Inc.
Fairwater, Wisconsin

Berlin, Wisconsin

Badger Mining Corporation is a family-owned producer of industrial silica sand with core values focused on the success of our associates, our customers and our communities.

Houston, Texas

Bolinder Resources
Tooele, Utah

Capital Sand Proppants, LLC
Jefferson City, Missouri

Pittsburgh, Pennsylvania
Carmeuse Lime & Stone is a leading company specializing in manufacturing and supplying lime and limestone products for diverse applications in steel manufacturing, power generation, road construction and land development, the building industry, water treatment, waste treatment, oil and gas drilling, and chemical treatments. 

Akron, Ohio

CED Process Minerals, Inc. manufactures products from cristobalite, a silicate mineral with unique physical characteristics that make it suitable and superior for use in several industrial applications such as investment casting, polishing abrasives, quartz countertops, as well as filler in urethanes, epoxy, elastomers, powder coats and other high wear coatings.  
Chemviron France SAS
Rueil-Malmaison, France
New York, New York
Reno, Nevada
EP Minerals, LLC is a worldwide leader in diatomaceous earth and perlite filter aids, absorbents, and functional additives serving dozens of diverse markets from food and beverage to biofuels, paints and plastics. 
Pittsburgh, Pennsylvania

Chardon, Ohio

Uncommon performance from the world's most common mineral.
G. W. Bryant Core Sands, Inc.
McConnellsville, New York


Genesis Alkali

Philadelphia, Pennsylvania


Gleason Clay Company
Mayfield, Kentucky


Riverton, West Virginia

Houston, Texas
Spinks Clay is a leading producer of superior quality dry and wet-process ball clay and kaolin products that are used in a variety of industries in North America, from sanitaryware and tile to rubber and chemical manufacture.
Calgary, Alberta, Canada
Heemskirk Canada is a diversified industrial mineral mining company based in Calgary, Alberta (we are the North American base for our Australian parent company, Heemskirk Consolidated, a Global Mining House that owns, operates, develops and invests in mining operations worldwide), and we are currently active in barite, silica, gypsum, and natural zeolites and concentrated on the energy industry. 
Roswell, Georgia
Imerys processes, enriches and combines a unique range of minerals, in many cases mined from its own deposits, to contribute essential functions to its customers’ products and processes. 

Benwood, West Virginia
North Mankato, Minnesota

Macon, Georgia

A global supplier of hydrous and calcined kaolin clays with a vision to be the most admired kaolin clay company in the world.

Columbus, Ohio
Kentucky-Tennessee Clay Company
Nashville, Tennessee
Fort Worth, Texas
Lhoist North America is a major producer of lime, limestone, dolomite and clay products and related services for industrial, environmental and agricultural customers in the US, Canada, and Mexico.
Troy Grove, Illinois

Located in Troy Grove Illinois Manley Bros is a producer of a wide range of silica sands used by industries throughout North America.

Mississippi Lime
St. Louis, Missouri

Muskegon, Michigan

Mayfield, Kentucky

Cincinnati, Ohio
Omya is a leading global producer of industrial minerals; mainly fillers and pigments derived from calcium carbonate and dolomite, and is a worldwide distributor of chemical products.  
Simi Valley, California

Port Norris, New Jersey
Superior Silica Sands, with quarry operations in Texas and Wisconsin, is a dynamic, high growth industrial sand supplier having a diverse market base with a strong focus on high quality frac sands for the oil & gas industry, and a full product line of "Ottawa White" type sands for customers throughout North America.

R.W. Sidley, Inc.
Thompson, Ohio

Overland Park, Kansas

Using a unique, ecologically friendly process, Searles Valley Minerals processes brine solutions from Searles Lake to produce boric acid, sodium carbonate, sodium sulfate, several specialty forms of borax, and salt. 

Secure Minerals Inc.
Calgary, Alberta, Canada

As a subsidiary of SECURE energy services, SECURE Minerals Ltd. provides mineral processing, logistics and packaging services of barite, gypsum and zeolite with distribution to the Western Canadian Sedimentary Basin. SECURE energy services is an integrated company offering specialized energy services throughout the oil and gas lifecycle form exploration to production and final reclamation.

Tokyo, Japan

Edmonton, Alberta, Canada

Sil Industrial Minerals is Western Canada's leading producer of silica sand for many diverse industries, including but not limited to oil and gas, construction material manufacturers, filtration, and recreational users.

Houston, Texas

Solvay Chemicals, Inc. and Solvay Fluorides, LLC, are part of the Solvay Group, the leading global producer of hydrogen peroxide, soda ash, sodium bicarbonate, and sodium percarbonate, and are established in markets ranging from alternative energy, automotive, pharmaceuticals, pulp & paper and many others. 
Bethlehem, Pennsylvania

Minerals Technologies Inc. is a global supplier of PCC (precipitated calcium carbonate), GCC (ground calcium carbonate), talc and refractories, and serves the paper, plastics, steel, personal care, construction, glass, sealants and paint markets.

East Hanover, New Jersey

Tata Chemicals North America Inc. is a leading global manufacturer of natural soda ash from its Green River, WY manufacturing operation and is owned by Tata Chemicals Ltd, which is the world’s second largest soda ash producer.

Atlanta, Georgia

The Quikrete Companies are the largest manufacturers of packaged concrete in the United States and an innovative leader in the commercial building and home improvement industries.

3M, Industrial Mineral Product Division
St. Paul, Minnesota 

New Canaan, Connecticut

Unimin Corporation is North America's largest producer of non-metallic industrial minerals, serving a diverse customer base with applications ranging from traditional glass and ceramics, to hydrocarbon and solar energy production, to semi-conductor computer chips.

Frederick, Maryland

U.S. Silica is a leading silica sand supplier with a focus on performance materials that are essential to modern living.
Norwalk, Connecticut
The R.T. Vanderbilt Company is a family owned and operated mineral and chemical production company specializing in unique minerals such as wollastonite, pyrophyllite, kaolin and smectite clays in addition to dispersing agents and processing aids for the adhesive, ceramic, paint, paper ,rubber, plastics, personal care, petroleum, and household product  industries.

Bridgeton, New Jersey
Whibco Inc., established in 1841, is America’s first foundry sand producer, and remains a leading producer in the northeast region of industrial sands and construction aggregates.
Billings, Montana