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) · 22 power units · 7 drivers
~Jan 2025
Fleet reduced 36 → 16 power units
~Jan 2025
Driver count changed 6 → 7
2024
Oct 29, 2024
MCS-150 biennial update filed
Reported mileage: 936,488 (2024) · 16 power units · 7 drivers
~Mar 2024
Fleet grew 20 → 36 power units
Feb 13, 2024
MCS-150 biennial update filed
Reported mileage: 807,704 (2023) · 36 power units · 6 drivers
2023
Oct 26, 2023
MCS-150 biennial update filed
Reported mileage: 838,299 (2023) · 36 power units · 6 drivers
~Mar 2023
Fleet grew 7 → 20 power units
2022
Oct 7, 2022
MCS-150 biennial update filed
Reported mileage: 314,349 (2022) · 20 power units · 6 drivers
2021
~Nov 2021
Driver count changed 18 → 6
Sep 7, 2021
MCS-150 biennial update filed
Reported mileage: 401,685 (2020) · 7 power units · 6 drivers
2020
Oct 5, 2020
MCS-150 biennial update filed
Reported mileage: 401,685 (2020) · 7 power units · 18 drivers
2014
Mar 28, 2014
DOT registered
Company registered with the FMCSA.