Company Description
Knife River Corporation, together with its subsidiaries, provides aggregates-led construction materials and contracting services in the United States.
It operates through Pacific, Northwest, Mountain, Central, and Energy Services segments. The company mines, processes, and sells construction aggregates, including crushed stone and sand, and gravel; and produces and sells asphalt and ready-mix concrete.
It also provides contracting service, such as heavy-civil construction, asphalt and concrete paving, and site development and grading.
In addition, the company sells cement, merchandise, and other building materials and related services; and produces and supplies liquid asphalt for use in asphalt road construction.
The company sells its construction materials to public and private-sector customers comprising federal, state, and municipal governments; industrial, commercial, and residential developers, as well as other private parties; and provides its contracting services to public-sector customers for the development and servicing of highways, local roads, bridges, and other public-infrastructure projects.
Knife River Corporation was founded in 1917 and is headquartered in Bismarck, North Dakota.
| Country | United States |
| Founded | 1917 |
| Industry | Building Materials |
| Sector | Materials |
| Employees | 4,761 |
| CEO | Brian Gray |
Contact Details
Address: 1150 West Century Avenue, PO Box 5568 Bismarck, North Dakota 58506-5568 United States | |
| Phone | 701 530 1400 |
| Website | kniferiver.com |
Stock Details
| Ticker Symbol | KNF |
| Exchange | NYSE |
| Stock Type | Common Stock |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0001955520 |
| CUSIP Number | 498894104 |
| ISIN Number | US4988941047 |
| Employer ID | 92-1008893 |
| SIC Code | 1400 |
Key Executives
| Name | Position |
|---|---|
| Brian R. Gray | Chief Executive Officer, President and Director |
| Nathan W. Ring | Vice President and Chief Financial Officer |
| Trevor J. Hastings | Vice President and Chief Operating Officer |
| Karl A. Liepitz | Vice President, Chief Legal Officer and Secretary |
| Marney L. Kadrmas | Vice President and Chief Accounting Officer |
| Zane Adam Karimi | Director of Investor Relations |
| Tony Spilde | Senior Director of Communications |
| Sarah L. Stevens | Vice President and Chief People Officer |
| Glenn R. Pladsen | Vice President and Chief Excellence Officer |
| Brad Arntson | President of Western North Dakota Division |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Aug 14, 2025 | SCHEDULE 13G | Filing |
| Aug 5, 2025 | 10-Q | Quarterly Report |
| Aug 5, 2025 | 8-K | Current Report |
| Jun 12, 2025 | 11-K | Annual report of employee stock purchase, savings and similar plans |
| May 28, 2025 | 8-K | Current Report |
| May 27, 2025 | UPLOAD | Filing |
| May 8, 2025 | UPLOAD | Filing |
| May 6, 2025 | 10-Q | Quarterly Report |
| May 6, 2025 | 8-K | Current Report |
| Apr 7, 2025 | ARS | Filing |