Knife River Midwest
Aggregates, Paving/General Contractors, Asphalt, Concrete, Environmental/Testing, TSI
2220 Hawkeye Dr
Sioux City, IA 51105-2048
(712) 252-2766
(712) 252-0079
One block east of the intersection of Floyd Blvd and 18th, then north on Hawkeye Drive.
Mon-Fri: 7:30 a.m.-4:30 p.m.
who to contact
Alex Johnson
Sales & Marketing Intern
Chris Winkel
Vice President/General Manager

Knife River Midwest

Aggregates, Paving/General Contractors | Asphalt | Concrete | Environmental/Testing | TSI
about us
Knife River in Sioux City, Iowa, is a leading provider of construction materials and services, offering aggregates, asphalt, ready-mix concrete, heavy-civil construction, and hauling across Siouxland. As part of Knife River Corporation, our division supports infrastructure across Iowa, Nebraska, and South Dakota. We’ve long been a cornerstone of the regional construction industry, contributing to major community and transportation projects. Our Sioux City location operates with a strong commitment to quality, safety, environmental responsibility, and service excellence. Products & Services We produce and deliver essential materials: Aggregates: Sand, gravel, crushed stone Asphalt: Recyclable paving solutions Ready-Mix Concrete: Custom mixes for all project types Construction Services: Site development, grading, paving Trucking/Hauling: Reliable delivery across the region With 112 power units and 36 drivers, we ensure timely service. Our paving and site development teams support roads, highways, and commercial projects with precision and care. Our Values at Knife River Sioux City, our mission is shaped by four core values: People, Safety, Quality, and Environment. These principles guide every mile we pave and every partnership we build—empowering us to serve our communities with pride and purpose.