2S PARTNERS LLC
dba CAPITAL WELL SERVICES
WILLISTON, ND
03/28/2014
22
Power Units
7
Drivers
Current
as of today
Active · 22 power units · 7 drivers · Williston, ND
2026
~Jun 2026
Fleet grew 16 → 22 power units
2025
Dec 1, 2025
MCS-150 biennial update filed
Reported mileage: 998,488 (2025)
Reported power units: 16 → 22
Reported drivers: 7
Reported trailers: 8
2024
Oct 29, 2024
MCS-150 biennial update filed
Reported mileage: 936,488 (2024)
Reported power units: 36 → 16
Reported drivers: 6 → 7
Reported trailers: 8
Feb 13, 2024
MCS-150 biennial update filed
Reported mileage: 807,704 (2023)
Reported power units: 36
Reported drivers: 6
2023
Oct 26, 2023
MCS-150 biennial update filed
Reported mileage: 838,299 (2023)
Reported power units: 20 → 36
Reported drivers: 6
2022
Oct 7, 2022
MCS-150 biennial update filed
Reported mileage: 314,349 (2022)
Reported power units: 7 → 20
Reported drivers: 6
2021
Sep 7, 2021
MCS-150 biennial update filed
Reported mileage: 401,685 (2020)
Reported power units: 7
Reported drivers: 18 → 6
2020
Oct 5, 2020
MCS-150 biennial update filed
Reported mileage: 401,685 (2020)
Reported power units: 7
Reported drivers: 18
2014
Mar 28, 2014
DOT registered
Company registered with the FMCSA.