7Suppliers
30Customers
1Debt Items
20Related Chains

Source-Backed Evidence Depth

Northwest Natural Holding Company (NWN) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

47Total relationships
3Distinct source URLs
15High confidence
0.721Average confidence
2026-10-28Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

Northwest Natural Holding Company Suppliers

TickerNameConfidenceEvidence
NW-NATURAL-RNG-HOLDING-COMPANY-LLC NW-NATURAL-RNG-HOLDING-COMPANY-LLC 90% NW Natural also owns NWN Gas Reserves and NW Natural RNG Holding Company, LLC, which procures regulated renewable natural gas for distribution customers.
NWN-GAS-RESERVES NWN-GAS-RESERVES 90% NW Natural also owns NWN Gas Reserves and NW Natural RNG Holding Company, LLC, which procures regulated renewable natural gas for distribution customers.
AVION-WATER-COMPANY-INC AVION-WATER-COMPANY-INC 85% NWN Water also includes non-regulated wastewater utilities and water services businesses in Oregon, Washington and Idaho, and an equity method investment in Avion Water Company, Inc. (a regulated entity).
NW-NATURAL-GAS-STORAGE-LLC NW-NATURAL-GAS-STORAGE-LLC 80% NWN Energy including its wholly owned subsidiary NW Natural Gas Storage, LLC (NWN Gas Storage), which was formerly involved in a gas storage business.
SPGI S&P Global Inc. 72% Reciprocal relationship from SPGI graph: Reciprocal relationship from NWN graph: Reciprocal relationship from SPGI graph: Reciprocal relationship from NWN graph: Reciprocal relationship from SPGI gra…
SPGI-WI SPGI-WI 72% t RTC Renewable Thermal Certificate S&P Standard & Poor's Financial Services LLC, a credit rating agency and a subsidiary of S&P Global Inc. Sales Service Service provided whereby a customer purchase…
SPGI-WI SPGI-WI 72% Reciprocal relationship from SPGI-WI graph: Reciprocal relationship from NWN graph: t RTC Renewable Thermal Certificate S&P Standard & Poor's Financial Services LLC, a credit rating agency and a subs…

Northwest Natural Holding Company Customers

TickerNameConfidenceEvidence
USGOV-DEPARTMENT-OF-ENERGY USGOV-DEPARTMENT-OF-ENERGY 95% USAspending awards from Department of Energy: $280,550 across 1 awards. DEDT0013755 IGF::OT::IGF NATURAL GAS SERVICE UNDER AREAWIDE PUBLIC UTILITY CONTRACT GS-00P16-BSD-1183 | Qwen corrected directio…
USGOV-DEPARTMENT-OF-HEALTH-AND-HUMAN-SERVICES USGOV-DEPARTMENT-OF-HEALTH-AND-HUMAN-SERVICES 95% USAspending awards from Department of Health and Human Services: $132,358 across 2 awards. 75H71321P00079 NATURAL GAS UTILITY SERVICE FOR WOSU; 75H71326P00014 WOSU NATURAL GAS PUBLIC UTILITY SERVICE …
USGOV-DEPARTMENT-OF-JUSTICE USGOV-DEPARTMENT-OF-JUSTICE 95% USAspending awards from Department of Justice: $1,087,072 across 3 awards. 15B61226F00000014 NATURAL GAS SERVICES FY26 CONTRACT # GS-00P-16-BSD-1183; 15B61225F00000027 NATURAL GAS SERVICE FY 25; 15B6…
USGOV-DEPARTMENT-OF-THE-INTERIOR USGOV-DEPARTMENT-OF-THE-INTERIOR 95% USAspending awards from Department of the Interior: $522,024 across 3 awards. 140A2320F0017 NATURAL GAS SERVICE FOR CHEMAWA INDIAN SCHOOL; 140A2326F0011 NATURAL GAS SERVICES FOR CHEMAWA INDIAN SCHOOL…
USGOV-DEPARTMENT-OF-TRANSPORTATION USGOV-DEPARTMENT-OF-TRANSPORTATION 95% USAspending awards from Department of Transportation: $78,874 across 1 awards. 69056720F000010 NATURAL GAS UTILITY SERVICE | Qwen corrected direction: Explicit USAspending awards show Department of T…
SIENERGY-GAS-LLC SIENERGY-GAS-LLC 92% SiEnergy Operating, LLC (SiEnergy), which was acquired January 7, 2025, owns SiEnergy Gas, LLC, which is a regulated natural gas distribution utility, and serves residential and commercial customers …
AVION-WATER-COMPANY-INC AVION-WATER-COMPANY-INC 85% y 7, 2025, is a regulated natural gas distribution utility and serves residential and commercial customers in the greater metropolitan areas of Houston, Dallas, and Austin, Texas. SiEnergy also inclu…
NW-NATURAL-RNG-HOLDING-COMPANY-LLC NW-NATURAL-RNG-HOLDING-COMPANY-LLC 85% and southwest Washington. NW Natural also provides regulated storage services at its Mist underground storage facility. The Mist underground storage facility serves distribution and interstate storag…
NWN-WATER-OTHER-NW-HOLDINGS NWN-WATER-OTHER-NW-HOLDINGS 85% the ATM equity program. 25 6. REVENUE The following tables present disaggregated revenue of NW Holdings: Three Months Ended March 31, In thousands NW Natural SiEnergy (1) NWN Water Other NW Holdings …
SPGI S&P Global Inc. 72% Reciprocal relationship from SPGI graph: Reciprocal relationship from NWN graph: Reciprocal relationship from SPGI graph: Reciprocal relationship from NWN graph: Reciprocal relationship from SPGI gra…
SPGI-WI SPGI-WI 72% Reciprocal relationship from SPGI-WI graph: Reciprocal relationship from NWN graph: t RTC Renewable Thermal Certificate S&P Standard & Poor's Financial Services LLC, a credit rating agency and a subs…
SPGI-WI SPGI-WI 72% t RTC Renewable Thermal Certificate S&P Standard & Poor's Financial Services LLC, a credit rating agency and a subsidiary of S&P Global Inc. Sales Service Service provided whereby a customer purchase…
CALIFORNIA-NW-HOLDINGS CALIFORNIA-NW-HOLDINGS 62% ves residential and commercial customers in the greater metropolitan areas of Houston, Dallas, and Austin, Texas. SiEnergy also serves several transmission customers in Dallas and Austin, Texas. SiEn…
EPCOR-USA-INC EPCOR-USA-INC 62% strategic benefits expected from growth in its service territory. No intangible assets aside from goodwill were recognized. The amount of goodwill that is expected to be deductible for income tax pur…
ES-WATER-UTILITY-CONSOLIDATORS-INC ES-WATER-UTILITY-CONSOLIDATORS-INC 62% strategic benefits expected from growth in its service territory. No intangible assets aside from goodwill were recognized. The amount of goodwill that is expected to be deductible for income tax pur…
EVERETT-SQUARE-INC EVERETT-SQUARE-INC 62% strategic benefits expected from growth in its service territory. No intangible assets aside from goodwill were recognized. The amount of goodwill that is expected to be deductible for income tax pur…
EXXON-MOBIL-CORP EXXON-MOBIL-CORP 62% . See Note 17 in the 2025 Form 10-K for a description of SRRM and ECRM collection processes. The following table presents information regarding the total regulatory asset deferred: March 31, December…
HUGHES-GAS-RESOURCES-INC HUGHES-GAS-RESOURCES-INC 62% strategic benefits expected from growth in its service territory. No intangible assets aside from goodwill were recognized. The amount of goodwill that is expected to be deductible for income tax pur…
INDUSTRY-REGULATION-NW-HOLDINGS INDUSTRY-REGULATION-NW-HOLDINGS 62% Natural. 2. SIGNIFICANT ACCOUNTING POLICIES Significant accounting policies are described in Note 2 of the 2025 Form 10-K. There were no material changes to those accounting policies during the three…
INLINE-UTILITIES-LLC INLINE-UTILITIES-LLC 62% strategic benefits expected from growth in its service territory. No intangible assets aside from goodwill were recognized. The amount of goodwill that is expected to be deductible for income tax pur…
LONG-TERM-DEBT-NW-HOLDINGS LONG-TERM-DEBT-NW-HOLDINGS 62% ized over time upon delivery of the water commodity or service to the customer, and the amount of consideration received and recognized as revenue is dependent on the tariffs established in the state…
NW-HOLDINGS NW-HOLDINGS 62% ce timeframes, likely changes in law and policy, and technological advancements, all make it difficult to accurately predict long-term tools and compliance costs for NW Natural. NW Natural has modele…
NW-NATURAL-GAS-STORAGE-LLC NW-NATURAL-GAS-STORAGE-LLC 62% bution company serving customers in Oregon and southwest Washington. NW Natural also provides regulated storage services at its Mist underground storage facility. The Mist underground storage facilit…
NW-NATURAL-RENEWABLES-HOLDINGS-LLC NW-NATURAL-RENEWABLES-HOLDINGS-LLC 62% bution company serving customers in Oregon and southwest Washington. NW Natural also provides regulated storage services at its Mist underground storage facility. The Mist underground storage facilit…
NW-NATURAL-SIENERGY-OPERATING-LLC NW-NATURAL-SIENERGY-OPERATING-LLC 62% ther business activities that were included in Other. Consistent with the method in which the Chief Operating Decision Maker (CODM) reviews each business, these activities were consolidated into NWN …
NW-NATURAL-WATER-COMPANY-LLC NW-NATURAL-WATER-COMPANY-LLC 62% ves residential and commercial customers in the greater metropolitan areas of Houston, Dallas, and Austin, Texas. SiEnergy also serves several transmission customers in Dallas and Austin, Texas. SiEn…
OTHER-NW-HOLDINGS OTHER-NW-HOLDINGS 62% ves residential and commercial customers in the greater metropolitan areas of Houston, Dallas, and Austin, Texas. SiEnergy also serves several transmission customers in Dallas and Austin, Texas. SiEn…
PINES-GAS-DEVELOPMENT-INC PINES-GAS-DEVELOPMENT-INC 62% 3179 the OPUC has the authority to approve the issuance of rate recovery bonds to finance or refinance certain eligible utility capital expenditures, including a capital investment that will cause re…
PINES-HOLDINGS-INC PINES-HOLDINGS-INC 62% strategic benefits expected from growth in its service territory. No intangible assets aside from goodwill were recognized. The amount of goodwill that is expected to be deductible for income tax pur…
PINES-HOLDINGS-LLC PINES-HOLDINGS-LLC 62% Prior to January 7, 2025, NW Holdings did not operate any assets that fall within its SiEnergy segment. THREE MONTHS ENDED MARCH 31, 2026 COMPARED TO MARCH 31, 2025. The primary factors contributing …

Northwest Natural Holding Company Debt Obligations

InstrumentDescriptionConfidenceEvidence
NWN-DEBT Debt stack $2.5B 90% Market cache reports total debt of $2.5B.

Northwest Natural Holding Company Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Northwest Natural Holding Company.

Northwest Natural Holding Company Ownership

HolderNameConfidenceEvidence
NWN-OWNER-BLACKROCK-INC BlackRock, Inc. 90% 13F overlay lists BlackRock, Inc. as top holder; 328 tracked holders.

Northwest Natural Holding Company Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
ACGL Arch Capital Group Ltd. 100.00 2
SPGI S&P Global Inc. 100.00 1 ['customer', 'supplier']
XOM Exxon Mobil Corporation 100.00 1 ['customer']
NFG National Fuel Gas Company 100.00 2
CAPS Capstone Holding Corp. 100.00 2
SPGI-WI S&P Global Inc. 100.00 1 ['customer', 'supplier']
FISV Fiserv, Inc. 100.00 2
ROP Roper Technologies, Inc. 100.00 2
AIG American International Group, Inc. 50.00 2
IEP Icahn Enterprises L.P. 50.00 2
D Dominion Energy, Inc. 50.00 2
CEPV Cantor Equity Partners V, Inc. 50.00 2
IMO Imperial Oil Limited 50.00 2
FHN First Horizon Corporation 50.00 2
ATH-PA Athene Holding Ltd. 50.00 2
APPN Appian Corporation 50.00 2
CHRD Chord Energy Corporation 50.00 2
WW WW International, Inc. 50.00 2
BKH Black Hills Corporation 50.00 2
FDS FactSet Research Systems Inc. 50.00 2
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NWN
Unlock NWN Supply Chain Data
Verified relationships include:
NW-NATURAL-RNG-HOLDING-COMPANY-LLCNW-NATURAL-RNG-HOLDING-CO…Supplier90%
NWN-GAS-RESERVESNWN-GAS-RESERVESSupplier90%
USGOV-DEPARTMENT-OF-ENERGYUSGOV-DEPARTMENT-OF-ENERGYCustomer95%
USGOV-DEPARTMENT-OF-HEALTH-AND-HUMAN-SERVICESUSGOV-DEPARTMENT-OF-HEALT…Customer95%
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