Carrier profile · USDOT 2509738 · Updated Jul 18, 2026
Markwest Liberty Gas Gathering Co LLC
DBA MARKWEST ENERGY PARTNERS
1 power unitWASHINGTON, PA50/100
AUTHORITY STATUS UNKNOWN
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
- Physical address
- 800 WESTERN AVE, WASHINGTON, PA, 15301
- Mailing address
- 4855 BAYHILL DR, POWELL, OH, 43065
- Operation
- Interstate
Contact
- Phone
- (505) 761-2653
- Web domain
- marathonpetroleum.com
Registration
- Officers
- Tim Haley · Gregory Floerke
- USDOT / docket
- 2509738
- First registered
- May 27, 2014
- Last MCS-150
- Jul 11, 2025 · 964,487 mi (2022)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
—CDL drivers
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.