4JLJ LLC
dba J4 OILFIELD SERVICES
ROBSTOWN, TX
01/26/2007
163
Power Units
144
Drivers
Current
as of today
Active · 163 power units · 144 drivers · Robstown, TX
2025
Sep 30, 2025
MCS-150 biennial update filed
Reported mileage: 985,571 (2024)
Reported power units: 141 → 163
Reported drivers: 134 → 144
Reported trailers: 109
2024
~Nov 2024
Email changed
monica.loewe@j4oilfield.com → nick.moreno@j4oilfield.com
Aug 14, 2024
MCS-150 biennial update filed
Reported mileage: 715,635 (2022)
Reported power units: 141
Reported drivers: 134
~Mar 2024
Email changed
lee.cervantes@j4oilfield.com → monica.loewe@j4oilfield.com
2023
Oct 19, 2023
MCS-150 biennial update filed
Reported mileage: 715,635 (2022)
Reported power units: 121 → 141
Reported drivers: 158 → 134
2021
Aug 18, 2021
MCS-150 biennial update filed
Reported mileage: 642,500 (2020)
Reported power units: 92 → 121
Reported drivers: 117 → 158
2020
Jan 24, 2020
MCS-150 biennial update filed
Reported mileage: 862,843 (2019)
Reported power units: 92
Reported drivers: 117
2018
Jul 5, 2018
Safety rating: Satisfactory
2007
Jan 26, 2007
DOT registered
Company registered with the FMCSA.