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NORTHWESTERN CORPORATION

USDOT 410856 · status active · 7 pass / 0 fail / 2 unknown

What this page is. A rendering of FMCSA public records on a stated date. Not a safety rating, credit score, or recommendation. Source: Company Census File (az4n-8mr2, updated 2026-10-21, sha256 73d4c5901abe8cdb…).

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Identity

Legal nameNORTHWESTERN CORPORATION
Company Census File
DBANORTHWESTERN ENERGY
Company Census File
MC number—
Company Census File
Registration statusA
Company Census File
Operation typeA
Company Census File
Registered since1974-06-01
Company Census File

Contact

Phone4064972121
Company Census File
Emailbrandi.lammi@northwestern.com
Company Census File
Officer 1BRANDI LAMMI
Company Census File
Officer 2—
Company Census File

Address

Street11 EAST PARK STREET
Company Census File
CityBUTTE
Company Census File
StateMT
Company Census File
ZIP59701
Company Census File
CountryUS
Company Census File

Fleet (self-reported on MCS-150)

Truck units841
Company Census File
Power units841
Company Census File
Drivers1186
Company Census File
CDL drivers436
Company Census File
Intrastate drivers0
Company Census File
Last MCS-150 filing2025-04-14
Company Census File

Related carriers

Share an officer and an address in the public record. This is shared contact information, not evidence of common ownership.

  1. NORTHWESTERN GREAT FALLS GAS LLC
    both list officer BRANDI LAMMI at 11 E PARK ST, BUTTE MT

Safety history

Counts from FMCSA inspection and crash records, all history on file. Not a safety rating; FMCSA assigns ratings only after an on-site review.

Inspections80
driver 11 · vehicle 33
Out-of-service13 (16.2% of inspections)
driver 4 · vehicle 9
Violations49
Inspection span2023-10-24 – 2026-10-14
Crashes23
fatal 0 · injury 9 · tow-away 23
Crash span2000-12-15 – 2026-09-07

Rulebook v1 · JSON