Years in business: Since: 1972
Number of employees: 1001-5000
First established in 1972, Superior was founded by the son of a sand and gravel producer. At the beginning of his career, Neil Schmidgall improved portability and production technology for his father’s plants. When neighboring aggregate producers asked if he could improve their equipment, Schmidgall took his company public.
Hwy. 286
P.O. Box 684
Morris, MN 56267
US
Phone:(320) 589-2406
Fax:(320) 589-0527
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