About Us

James (Jim) Riehle
Elaine Riehle

The founders of PreCast Systems moved their family to Darwin, MN from St. Paul, MN in 1971 to start producing concrete products.
Jim & Elaine have three  grown children and 9
grandchildren.

Mark Smith joined the company in 1996 and is partial owner. Mark manages the plant.


Matt McGraw started
working at Precast Systems in 1994. Matt delivers products and helps with production. Matt and his wife Holly have 3 children.

Jenny Smith joined Precast Systems in 2002. Jenny became our office manager when Elaine Riehle retired in 2002. Mark & Jenny have 3 children.


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