Carrier profile · USDOT 4151788 · Updated Jul 18, 2026
Markwest Energy Operating Company LLC
DBA MPLX G&P
122 power unitsavg 6.6 yrRegional · 3 statesDENVER, CO96/100
AUTHORITY STATUS UNKNOWN
Equipment
Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 122
- Observed power (24 mo)
- 4
- Trailers (towed)
- 3
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2022
Newest model yr
2014
Oldest model yr
71.4%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 1FDFF6LT2NDA25849View sourced platform decode | Incomplete - Chassis Cab (Single Cab) | 2022 | FORD | F-600 | 5 | May 29, 2025 |
| 1FDWF7DC6NDF01900View sourced platform decode | Incomplete - Chassis Cab (Single Cab) | 2022 | FORD | F-750 | 2 | May 1, 2026 |
| 1GT42VCY4KF100208View sourced platform decode | Pickup | 2019 | GMC | Sierra HD | 2 | Sep 11, 2025 |
| 5JTAE2022EA048921View sourced platform decode | Trailer | 2014 | TRLR | — | 1 | Sep 11, 2025 |
| 4Z1HD1216LS002327View sourced platform decode | Trailer | 2020 | GATO | — | 1 | Mar 18, 2025 |
| 1GC4KXEY7KF200425View sourced platform decode | Pickup | 2019 | CHEVROLET | Silverado HD | 1 | Jan 30, 2025 |
| 4WXGE2628L1037584View sourced platform decode | Trailer | 2020 | MORITZ INTERNATION | Moritz International | 1 | Jan 30, 2025 |
Showing 7 · most-inspected first.