US · FMCSA ACTIVE
ONECOR SERVICES LLC
Williston, ND 58801 · DOT 3312623 · MC1052558
Company profile
Web-discovered · as of 2026-07-30
OneCor Services LLC, based in Williston, ND, provides specialized oilfield services including hydrochloric acid blending, high-pressure pumping, chemical logistics, and environmental services in the Bakken Shale region.
Fleet use
Specialized service
Operating scope
Regional
Service model
dedicated, last mile
Equipment
tanker, specialized
Ownership
Private
part of Ranch Creek Partners / Hillstar Capital
Employees
51-200
HQ · 606 E Dakota Pkwy, Williston, ND 58801
Active website (onecor.com), LinkedIn and Facebook activity, and recent job postings for mechanics in Williston, ND (2026).
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
51
power units · corroborated
Activity
road freight carrier
private licence
In operation since
2019
34 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-12
Operating authority
None / private
Insurance on file
No
Out of service
No
Safety rating
UNRATED
Crashes (24 mo)
1
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