US · FMCSA ACTIVE HAZMAT
KNIFE RIVER MIDWEST LLC
Sioux City, IA 51105 · DOT 324020
Company profile
Web-discovered · as of 2026-07-30
Knife River Midwest LLC, based in Sioux City, IA, is a regional construction materials and contracting company specializing in asphalt, concrete, and aggregate services. Part of Knife River Corporation, it operates a heavy-civil construction fleet to support its own construction projects.
Fleet use
Specialized service
Operating scope
Regional
Service model
own account
Equipment
dump, tanker
Ownership
Public
part of Knife River Corporation
Employees
51-200
Networks & associations
Siouxland Chamber of Commerce
Industries served
constructioninfrastructureaggregatesasphalt
HQ · 2220 Hawkeye Dr, Sioux City, IA 51105
Active website listing for Sioux City location, with recent 2024 news of facility expansion.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
103
power units
Activity
road freight carrier
private licence
In operation since
1988
36 drivers
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