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Montana: reported gas operators

4 included operator records have this reported state association. These records identify the selected source population, not current procurement opportunities or verified service territories.

Read the entity before the account approach.

State association uses the PHMSA STOP operating-state field in gas-distribution annual-report rows. It is not a service-territory boundary or a headquarters assignment. PHMSA operator IDs are source identifiers. They do not identify a procurement contact or guarantee that a parent company buys the reported work.

Montana · Full included source-record list
Reported name / operator ID	Ownership / entity type	State basis / year	Website	Authoritative source
MONTANA - DAKOTA UTILITIES CO PHMSA operator ID: 12684	Investor Owned natural gas distribution operator	Gas-distribution annual-report state association: MT, ND, SD, WY Report year: 2025	Listed website ↗ Website source date: 2017-12-15. Historical HIFLD listing matched through EIA-176 2024; current identity and reachability not comprehensively verified. Website source ↗	PHMSA source record ↗
NORTHWESTERN CORPORATION PHMSA operator ID: 31632	Investor Owned natural gas distribution operator	Gas-distribution annual-report state association: MT, NE, SD Report year: 2025	Website unavailable in this source extract	PHMSA source record ↗
SACO MUNICIPAL GAS SERVICE PHMSA operator ID: 18024	Municipal Owned natural gas distribution operator	Gas-distribution annual-report state association: MT Report year: 2025	Website unavailable in this source extract	PHMSA source record ↗
SHELBY GAS ASSOCIATION PHMSA operator ID: 18260	Cooperative natural gas distribution operator	Gas-distribution annual-report state association: MT Report year: 2025	Website unavailable in this source extract	PHMSA source record ↗

The directory provides names and provenance for further research. Verify current status, aliases, legal entity and supplier requirements before making an account decision.