MCCUMBER WELL SERVICE INC
THERMOPOLIS, WY
12/09/1997
5
Power Units
6
Drivers
Current
as of today
Active · 5 power units · 6 drivers · Thermopolis, WY
2026
Feb 16, 2026
MCS-150 biennial update filed
Reported mileage: 6,675 (2025)
Reported power units: 5
Reported drivers: 8 → 6
2025
Jul 8, 2025
MCS-150 biennial update filed
Reported mileage: 9,875 (2023)
Reported power units: 7 → 5
Reported drivers: 10 → 8
2024
Mar 11, 2024
MCS-150 biennial update filed
Reported mileage: 9,875 (2023)
Reported power units: 8 → 7
Reported drivers: 10
2022
Jun 29, 2022
MCS-150 biennial update filed
Reported mileage: 10,926 (2021)
Reported power units: 8
Reported drivers: 10
2021
Oct 26, 2021
MCS-150 biennial update filed
Reported mileage: 10,000 (2020)
Reported power units: 8
Reported drivers: 11 → 10
2020
Jun 19, 2020
MCS-150 biennial update filed
Reported mileage: 11,025 (2019)
Reported power units: 8
Reported drivers: 11
1997
Dec 9, 1997
DOT registered
Company registered with the FMCSA.