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

Identity & Federal

The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.

Location

Mailing address
700 LOUISIANA STREET STE 700, HOUSTON, TX, 77002
Operation
Interstate· Hazmat

Contact

Web domain
tcenergy.com

Registration

Officers
Ashley Boutte · Brenda Baker
USDOT / docket
60587
First registered
Jun 1, 1974
Last MCS-150
Jul 28, 2026 · 5,569,244 mi (2025)
FMCSA safety rating
Satisfactory · May 19, 1995
D-U-N-S
54748041

Fleet (self-reported · MCS-150)

468Power units
303Drivers
160CDL drivers
5,569,244Annual mileage

MCS-150 filing history· biennial-update cadence

Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.