Markesan, WI
A.F. Gelhar Co., Inc.
Miner and processor of silica sand for glass, foundry, and energy applications.
Organization category
Mining & Quarrying
12 organizations to explore.
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Sharon, VT
Black River Quarries
Quarrier and manufacturer of stone products.
Shakopee, MN
Bryan Rock Products, Inc.
Quarrier of limestone for construction, agriculture, landscaping, and ball fields.
Castleton, VT
Hadeka Stone Corp.
Quarrier and processor of crushed slate products.
Bloomington, IN
Independent Limestone Company
Quarrier and fabricator of buff and gray Indiana limestone.
Longmont, CO
Loukonen Bros Stone Company
Quarrier and processor of dimensional and decorative sandstone.
Silver Bay, MN
Northshore Mining
Mining operation operated by Cleveland-Cliffs Inc., producing standard and specialty iron ore pellets.
Lititz, PA
Rohrer's Incorporated
Producer of crushed stone, agricultural aggregate, and ready-mix concrete, with quarry operations.
Ann Arbor, MI
Stoneco of Michigan
Supplier of limestone, gravel, and sand through quarry and processing operations.
Mountain Iron, MN
U. S. Steel Minnesota Ore Operations
Part of United States Steel Corporation, mining taconite and processing it into iron ore pellets for steelmaking.
Eveleth, MN
United Taconite
Iron-ore mining and pellet-production operation owned by Cleveland-Cliffs.
Fair Haven, VT
Vermont Structural Slate Company
Quarrier and fabricator of architectural stone.