Contractor Missouri

Koss Construction Company

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

11Lettings bid

1Agencies

Aug 19, 2005 – Jan 16, 2026Date range

Agencies this contractor has bid with

MoDOT

Items most often priced

Modified Subgrade / SY
Permanent Erosion Control Geotextile / SY
Pull Box, Concrete, Standard / EA
Portland Cement Concrete Shoulder Rumble Strip / STA
Placing Type 2 Rock Ditch Liner / CY
Placing Rock Base / SY
Pipe Collar, Type A / EA
Furnishing Type 2 Rock Ditch Liner / CY
Furnishing Rock Base Material / SY
Flowable Backfill / CY

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

Latest source documents

Letting	Agency	Project	Source
Jan 16, 2026	MoDOT	260116-D07	Open the bid tab ↗modotweb.modot.mo.gov
Feb 20, 2009	MoDOT	090220-803	Open the bid tab ↗modotweb.modot.mo.gov
Sep 19, 2008	MoDOT	080919-801	Open the bid tab ↗modotweb.modot.mo.gov
Jun 20, 2008	MoDOT	080620-801	Open the bid tab ↗modotweb.modot.mo.gov
Nov 30, 2007	MoDOT	071130-804	Open the bid tab ↗modotweb.modot.mo.gov

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.

Same name in other states: Arkansas, Kansas, Oklahoma.

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Win rate, rank and price position

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