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With roots dating back to 1888, Construction Ventures Inc. is a general contractor with offices in Winona, Rochester, and St. Louis Park, MN. The company engages in industrial, institutional and commercial construction, and performs construction under the names All Trades Service LLC, Schwab LLC, and Karkela Construction, Inc.

OUR DIVISIONS

ALL TRADES SERVICE, LLC

All Trades Service LLC is a local contractor specializing in institutional and industrial construction in existing facilities throughout southeastern Minnesota.

LEARN MORE AT ALLTRADESERVICE.COM

KARKELA CONSTRUCTION

Karkela is an industry leader in new construction and large-scale renovations throughout the Twin Cities metro area.

LEARN MORE AT KARKELA.COM

SCHWAB LLC

Schwab LLC is a general contractor that provides construction services throughout southeastern Minnesota and northern Iowa, with offices in Rochester and Winona.

LEARN MORE AT SCHWABLLC.COM

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