MARKWEST HYDROCARBON INC
dba MARKWEST ENERGY PARTNERS
CADIZ, OH
02/19/2015
1
Power Units
1
Drivers
Current
as of today
Active · 1 power units · 1 drivers · Cadiz, OH
2025
Dec 30, 2025
MCS-150 biennial update filed
Reported mileage: 1 (2025) · 1 power unit · 1 driver
2024
~Mar 2024
Fleet reduced 19 → 1 power units
~Mar 2024
Driver count changed 19 → 1
2023
Dec 5, 2023
MCS-150 biennial update filed
Reported mileage: 120,000 (2022) · 1 power unit · 1 driver
Mar 20, 2023
MCS-150 biennial update filed
Reported mileage: 120,000 (2022) · 19 power units · 19 drivers
2022
~Apr 2022
Fleet reduced 77 → 19 power units
~Apr 2022
Driver count changed 66 → 19
Feb 15, 2022
MCS-150 biennial update filed
Reported mileage: 1,238,000 (2020) · 19 power units · 19 drivers
2021
Jul 12, 2021
MCS-150 biennial update filed
Reported mileage: 1,238,000 (2020) · 77 power units · 66 drivers
Mar 10, 2021
MCS-150 biennial update filed
Reported mileage: 1,238,000 (2020) · 77 power units · 66 drivers
2015
Feb 19, 2015
DOT registered
Company registered with the FMCSA.