Carrier profile · USDOT 302189 · Updated Jun 13, 2026

Gas Transmission Northwest LLC

12 power unitsSPOKANE, WA50/100

AUTHORITY STATUS UNKNOWNRATED SATISFACTORY

Network & Fraud

Reincarnation chains, shared-VIN links, common domains and officers, and owner-group affiliations — the chameleon / double-broker signals that name-and-USDOT lookups miss.

Shares a registration email domain with other carriers

@tcenergy.com — 10 carriers: USDOT 60587 USDOT 115053 USDOT 223894 USDOT 240388 USDOT 404454 USDOT 1612854 USDOT 2364904 USDOT 2495926

Shares a company officer with other carriers

ashley boutte — 9 carriers: USDOT 60587 USDOT 115053 USDOT 223894 USDOT 240388 USDOT 404454 USDOT 1612854 USDOT 2364904 USDOT 2495926

Owner / group view· confidence: email domain + officer

Owner / group view

Affiliated authorities

Collapses 10 related authorities · joined by email domain + officer

Authorities: 10
Combined power: 649
States: 4
Oldest authority: Jun 1, 1974
Active now: 9

GAS TRANSMISSION NORTHWEST LLC· viewingUSDOT 302189
12PU
COLUMBIA GAS TRANSMISSION CORPORATIONUSDOT 60587
468PU
COLUMBIA GULF TRANSMISSION COMPANYUSDOT 115053
72PU
ANR PIPELINE COMPANYUSDOT 223894
60PU
GREAT LAKES GAS TRANSMISSION LPUSDOT 240388
21PU
NORTHERN BORDER PIPELINE COUSDOT 404454
8PU
COLUMBIA MIDSTREAM GROUPUSDOT 2869603
3PU
BISON PIPELINE LLCUSDOT 2364904
2PU
NORTH BAJA PIPELINE LLCUSDOT 2495926
2PU
TUSCARORA GAS TRANSMISSION COMPANYUSDOT 1612854
1PU

Affiliated entities· hover to preview

COLUMBIA GAS TRANSMISSION CORPORATION COLUMBIA GULF TRANSMISSION COMPANY ANR PIPELINE COMPANY GREAT LAKES GAS TRANSMISSION LP NORTHERN BORDER PIPELINE CO COLUMBIA MIDSTREAM GROUP BISON PIPELINE LLC NORTH BAJA PIPELINE LLC