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SEC registrant · CIK 0000110019

NORTHWEST PIPELINE LLC

NORTHWEST PIPELINE LLC (CIK 0000110019, EIN 26-1157701) reported revenue of $439.86 million ($439,858,000) for FY2023 (2023-01-01 to 2023-12-31) and net income of $179.72 million ($179,719,000) for FY2023 (2023-01-01 to 2023-12-31), as filed in its 10-K filed 2024-02-21 (accession 0000110019-24-000003).

Figures are as filed with the SEC in XBRL, in whole US dollars unless stated, for the company's own fiscal years (fiscal year ends December 31).

Data as of Oct 21, 2026 (Olympus publication) · Markdown version

  • Values are as filed by the company in its 10-K and 10-Q XBRL data. When a later filing restates a value, the latest filed value is shown and the first reported value is noted.

Identifiers

As published in the company's EDGAR submissions record.

IdentifierValue
CIK0000110019
EIN26-1157701
SIC industry code4922 Natural Gas Transmission
Fiscal year endDecember 31
Filer categoryNon-accelerated filer
Entity typeoperating
Olympus entity IDorg_6w40secebjb9k7m2mtj8rbrt10
  • The EIN is the one the filer gave to EDGAR. The SEC does not verify it; Olympus checks only that it has nine digits and a prefix the IRS assigns.

Latest annual financial metrics

The latest annual value of each standardised metric, with the filing it was taken from.

MetricValueFiscal periodPeriodFormFiledAccession numberXBRL concept
Revenue$439,858,000FY20232023-01-01 to 2023-12-3110-K2024-02-210000110019-24-000003Revenues
Net income$179,719,000FY20232023-01-01 to 2023-12-3110-K2024-02-210000110019-24-000003NetIncomeLoss
Total assets$2,227,359,000FY2023as of 2023-12-3110-K2024-02-210000110019-24-000003Assets
Operating cash flow$129,248,000FY20232023-01-01 to 2023-12-3110-K2024-02-210000110019-24-000003NetCashProvidedByUsedInOperatingActivities
Shares outstanding0 sharesFY2023as of 2024-02-2110-K2024-02-210000110019-24-000003EntityCommonStockSharesOutstanding
  • Accession numbers link to the filing's index on SEC EDGAR.

Revenue and net income history

Every annual revenue and net income value served for fiscal years 2014-2023, newest first, each with its filing.

MetricFiscal periodPeriodValueFormFiledAccession number
RevenueFY20232023-01-01 to 2023-12-31$439,858,00010-K2024-02-210000110019-24-000003
RevenueFY20222022-01-01 to 2022-12-31$447,335,00010-K2024-02-210000110019-24-000003
RevenueFY20212021-01-01 to 2021-12-31$443,558,00010-K2024-02-210000110019-24-000003
RevenueFY20202020-01-01 to 2020-12-31$449,482,00010-K2023-02-270000110019-23-000004
RevenueFY20192019-01-01 to 2019-12-31$13,797,00010-K2022-02-280000110019-22-000004
RevenueFY20182018-01-01 to 2018-12-31$12,852,00010-K2021-02-240000110019-21-000003
RevenueFY20172017-01-01 to 2017-12-31$12,399,00010-K2020-02-240000110019-20-000003
RevenueFY20162016-01-01 to 2016-12-31$13,918,00010-K2019-02-210000110019-19-000003
Net incomeFY20232023-01-01 to 2023-12-31$179,719,00010-K2024-02-210000110019-24-000003
Net incomeFY20222022-01-01 to 2022-12-31$136,774,00010-K2024-02-210000110019-24-000003
Net incomeFY20212021-01-01 to 2021-12-31$135,508,00010-K2024-02-210000110019-24-000003
Net incomeFY20202020-01-01 to 2020-12-31$151,086,00010-K2023-02-270000110019-23-000004
Net incomeFY20192019-01-01 to 2019-12-31$142,667,00010-K2022-02-280000110019-22-000004
Net incomeFY20182018-01-01 to 2018-12-31$131,461,00010-K2021-02-240000110019-21-000003
Net incomeFY20172017-01-01 to 2017-12-31-$27,834,00010-K2020-02-240000110019-20-000003
Net incomeFY20162016-01-01 to 2016-12-31$180,455,00010-K2019-02-210000110019-19-000003
Net incomeFY20152015-01-01 to 2015-12-31$178,696,00010-K2018-02-220000110019-18-000003
Net incomeFY20142014-01-01 to 2014-12-31$170,553,00010-K2017-02-220000110019-17-000003
  • Revenue for FY2019 was restated: first reported as $15,975,000 (accession 0000110019-20-000003, filed 2020-02-24).

Recent 10-K and 10-Q filings

The 12 most recent 10-K, 10-Q and amendment filings in EDGAR, newest first.

FormFiledPeriod of reportAccession numberDocument
10-Q2026-08-032026-06-300000107263-26-000026wmb-20260630.htm
10-Q2026-05-042026-03-310000107263-26-000017wmb-20260331.htm
10-K2026-02-242025-12-310000107263-26-000006wmb-20251231.htm
10-Q2025-11-032025-09-300000107263-25-000145wmb-20250930.htm
10-Q2025-08-042025-06-300000107263-25-000123wmb-20250630.htm
10-Q2025-05-052025-03-310000107263-25-000102wmb-20250331.htm
10-K2025-02-252024-12-310000107263-25-000031wmb-20241231.htm
10-Q2024-11-062024-09-300000110019-24-000016nwp-20240930.htm
10-Q2024-08-052024-06-300000110019-24-000012nwp-20240630.htm
10-Q2024-05-062024-03-310000110019-24-000006nwp-20240331.htm
10-K2024-02-212023-12-310000110019-24-000003nwp-20231231.htm
10-Q2023-11-012023-09-300000110019-23-000014nwp-20230930.htm

Identifier registry

The company's identifiers in the Olympus identifier registry, each with how it was linked and its source.

SchemeValueHow linkedSourcePublished
SEC Central Index Key (CIK) · OLY-US-SEC-CIK0000110019published by the sourcedata.sec.gov/submissions/CIK0000110019.json2026-10-21
Employer Identification Number (EIN) · US-EIN26-1157701published by the sourcedata.sec.gov/submissions/CIK0000110019.json2026-10-21

Former names

NameFromTo
NORTHWEST PIPELINE GP2007-10-022013-05-08
NORTHWEST PIPELINE CORP1995-05-112007-09-12

Sources

  • EDGAR submissions (nightly bulk archive) (company profile and filings) — U.S. Securities and Exchange Commission. EDGAR snapshot sha256:f7d2a4f18cb91aae, source date 2026-10-20. https://data.sec.gov/submissions/CIK0000110019.json
  • EDGAR XBRL company facts (nightly bulk archive) (financial metrics) — U.S. Securities and Exchange Commission. EDGAR snapshot sha256:01e4045aa34d7224, source date 2026-10-20. https://data.sec.gov/api/xbrl/companyfacts/CIK0000110019.json
  • Published by Olympus on Oct 21, 2026.
  • Source data: U.S. Securities and Exchange Commission (EDGAR). Values are as filed by the registrant; Olympus does not audit or adjust them.
  • Olympus is not affiliated with or endorsed by the U.S. Securities and Exchange Commission.

Get this data from the API

The same figures, with provenance on every value, from the API (free API key, reference) or from an AI agent through the Olympus MCP server.

curl
curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0000110019" -H "X-API-Key: $OLYMPUS_API_KEY"

curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0000110019/financials" -H "X-API-Key: $OLYMPUS_API_KEY"

curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0000110019/filings?limit=12" -H "X-API-Key: $OLYMPUS_API_KEY"
MCP tool call
get_sec_company_financials {"cik":"110019"}

On SEC EDGAR

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