Company Description
Northwest Natural Holding Company, through its subsidiary, Northwest Natural Gas Company, provides regulated natural gas distribution services to residential, commercial, and industrial customers in the United States.
It operates through three segments: NWN Gas Utility, SiEnergy, and NWN Water. The company operates mist gas storage facility contracted to utilities, third-party marketers, and electric generators; offers natural gas asset management services; interstate storage; and operates an appliance retail center.
It also engages in the gas storage, water and wastewater, non-regulated renewable natural gas, and other investment businesses.
In addition, the company offers natural gas services in Oregon and southwest Washington; water and wastewater connections; and operation, maintenance, and management services to water and wastewater system owners.
Northwest Natural Holding Company was founded in 1859 and is headquartered in Portland, Oregon.
| Country | United States |
| Founded | 1859 |
| Industry | Utilities - Regulated Gas |
| Sector | Utilities |
| Employees | 1,619 |
| CEO | Justin Palfreyman |
Contact Details
Address: 250 S.W. Taylor Street Portland, Oregon 97204 United States | |
| Phone | 503 226 4211 |
| Website | nwnaturalholdings.com |
Stock Details
| Ticker Symbol | NWN |
| Exchange | NYSE |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0001733998 |
| CUSIP Number | 66765N105 |
| ISIN Number | US66765N1054 |
| Employer ID | 82-4710680 |
| SIC Code | 4924 |
Key Executives
| Name | Position |
|---|---|
| Justin B. Palfreyman | President, Chief Executive Officer and Director |
| Raymond J. Kaszuba III | Senior Vice President and Chief Financial Officer |
| MardiLyn Saathoff J.D. | Chief Legal Officer and Senior Vice President of Regulation |
| Brian Fellon | Vice President, Chief Information Officer and Chief Information Security Officer |
| Megan H. Berge | Senior Vice President, General Counsel, Chief Compliance Officer and Corporate Secretary |
| Melinda B. Rogers | Vice President and Chief Human Resources and Diversity Officer |
| Kyra Patterson | Vice President and Chief People Officer |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Feb 27, 2026 | S-8 | Securities to be offered to employees in employee benefit plans |
| Feb 27, 2026 | 10-K | Annual Report |
| Feb 27, 2026 | 8-K | Current Report |
| Dec 16, 2025 | 8-K | Current Report |
| Dec 15, 2025 | 8-K | Current Report |
| Nov 5, 2025 | 10-Q | Quarterly Report |
| Nov 5, 2025 | 8-K | Current Report |
| Oct 28, 2025 | 8-K | Current Report |
| Oct 20, 2025 | 144 | Filing |
| Sep 2, 2025 | 8-K | Current Report |