Carrier profile · USDOT 60587 · Updated Aug 2, 2026

Columbia Gas Transmission Corporation

DBA COLUMBIA GAS TRANSMISSION LLC

468 power unitsavg 9.2 yrRegional · 6 statesHOUSTON, TX100/100

AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT

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 115053 USDOT 223894 USDOT 240388 USDOT 302189 USDOT 404454 USDOT 1612854 USDOT 2364904 USDOT 2495926

Shares a company officer with other carriers

ashley boutte — 9 carriers: USDOT 115053 USDOT 223894 USDOT 240388 USDOT 302189 USDOT 404454 USDOT 1612854 USDOT 2364904 USDOT 2495926

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

468

Observed (24 mo)

Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.

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

COLUMBIA GAS TRANSMISSION CORPORATION· viewingUSDOT 60587
468PU
COLUMBIA GULF TRANSMISSION COMPANYUSDOT 115053
72PU
ANR PIPELINE COMPANYUSDOT 223894
60PU
GREAT LAKES GAS TRANSMISSION LPUSDOT 240388
21PU
GAS TRANSMISSION NORTHWEST LLCUSDOT 302189
12PU
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 GULF TRANSMISSION COMPANY ANR PIPELINE COMPANY GREAT LAKES GAS TRANSMISSION LP GAS TRANSMISSION NORTHWEST LLC NORTHERN BORDER PIPELINE CO COLUMBIA MIDSTREAM GROUP BISON PIPELINE LLC NORTH BAJA PIPELINE LLC