Contractor Minnesota

NorthStar Materials, Inc. dba Knife River Materials

As printed on public bid tabulations. Counts only on this half of the page.

119Lettings bid

1Agencies

Jan 29, 2016 – Sep 23, 2026Date range

Agencies this contractor has bid with

MnDOT

Items most often priced

Traffic Control / LS
Mobilization / LS
Maint and Restoration of Haul Roads / LS
Interim Pavement Marking / LS
Sawing Bituminous Pavement (Full Depth) / LF
Excavation Common / CY
Portable Changeable Message Sign / EA
Common Embankment (Cv) / CY
Remove Bituminous Pavement / SY
Quality Management - Thermal Profiling / LS

Item pages show winning bids only; this list says what the contractor priced, not what it won.

Latest source documents

Letting	Agency	Project	Source
Sep 23, 2026	MnDOT	260109	Open the bid tab ↗transport.dot.state.mn.us
May 20, 2026	MnDOT	260077	Open the bid tab ↗transport.dot.state.mn.us
Feb 25, 2026	MnDOT	260021	Open the bid tab ↗transport.dot.state.mn.us
Jan 28, 2026	MnDOT	260002	Open the bid tab ↗transport.dot.state.mn.us
Dec 3, 2025	MnDOT	250106	Open the bid tab ↗transport.dot.state.mn.us

Names are printed as the bidder on public bid tabulations. Grouping of spelling variants is automatic; tell us if two companies were merged or one was split.

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