Knife River Corporation Auditor
The independent registered public accounting firm that signed the audit report in each annual report on Form 10-K, newest first. PCAOB firm ID and the internal-control attestation are as tagged on the cover from fiscal 2021; earlier rows come from the signed report text.
- 2026-02-20: Fiscal year end 2025-12-31; Auditor Deloitte & Touche LLP; PCAOB firm ID 34; Location Minneapolis, Minnesota.
- 2025-02-21: Fiscal year end 2024-12-31; Auditor Deloitte & Touche LLP; PCAOB firm ID 34; Location Minneapolis, Minnesota.
- 2024-02-27: Fiscal year end 2023-12-31; Auditor Deloitte & Touche LLP; PCAOB firm ID 34; Location Minneapolis, Minnesota.
| Filed | Fiscal year end | Auditor | PCAOB firm ID | Location | Internal-control attestation |
|---|
| 2026-02-20 | 2025-12-31 | Deloitte & Touche LLP | 34 | Minneapolis, Minnesota | Yes |
|---|
| 2025-02-21 | 2024-12-31 | Deloitte & Touche LLP | 34 | Minneapolis, Minnesota | Yes |
|---|
| 2024-02-27 | 2023-12-31 | Deloitte & Touche LLP | 34 | Minneapolis, Minnesota | No |
|---|