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OneCor Services LLC Employee Directory

Oil and GasNorth Dakota, United States11-50 Employees

OneCor Services LLC operates in the oil and gas sector, providing environmental services, weed control, and hydrochloric acid procurement and delivery. Its offerings are positioned to support oil-field operators with land stewardship, environmental compliance, and reliable chemical supply. The company serves clients across North Dakota, Montana, Wyoming, and Texas, and is based in Williston, North Dakota.

OneCor traces its roots to 1971, when it began as Jerry's Weed Control in Williston, with the OneCor name adopted in 2013 after expanding into hydrochloric acid procurement for oil-field applications. The organization describes itself as focused on accountability to clients, employees, and communities and on stewardship of the lands it operates on. As a mid-sized regional operator, it combines long-standing industry experience with an emphasis on professional service delivery.

Find OneCor Services LLC employees' phone numbers or email addresses

OneCor Services LLC Global Highlights

Location
Employees

North America
27

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  • United States Of America
    27

Africa
8

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  • South Africa
    8

OneCor Services LLC's Leadership

  • Stylized image of a person
    J. H.
    Finance Manager
    Phone icon
    Mobile Phone
  • Stylized image of a person
    J. D.
    Operations Manager
    Phone icon
    Mobile Phone
  • Stylized image of a person
    M. W.
    Oil Field Operator
    Phone icon
    Mobile Phone

OneCor Services LLC Employee Metrics

100%
50%
0%
2026
2025
  • Entrepreneurship
  • Accounting
  • Administrative
  • Business
  • Business Development
  • Other

Contact profiles from OneCor Services LLC

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    J. H.
    Finance Manager
    Phone icon
    Mobile Phone
    Oct 17, 2024
  • Stylized image of a person
    J. D.
    Operations Manager
    Phone icon
    Mobile Phone
    Jun 19, 2026
  • Stylized image of a person
    M. W.
    Oil Field Operator
    Phone icon
    Mobile Phone
    Aug 06, 2026

Frequently Asked Questions

What is OneCor Services LLC known for?

Minus sign iconPlus sign iconOneCor Services LLC was founded in 1971 operates in the Oil and Gas industry; you can contact the main corporate office by phone at
+1-701-774-****
. Explore OneCor Services LLC's company overview page for more information.

What is OneCor Services LLC's most common email format?

Minus sign iconPlus sign iconOneCor Services LLC employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more OneCor Services LLC email formats with LeadIQ.

How many employees does OneCor Services LLC have currently?

Minus sign iconPlus sign iconOneCor Services LLC has approximately 27 employees as of August 2026. These team members are located across 2 continents, including North AmericaAfrica.

Who are OneCor Services LLC's key employees and leadership?

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As of August 2026, OneCor Services LLC's key employees include:

  • Finance Manager: J. H.
  • Operations Manager: J. D.
  • Oil Field Operator: M. W.

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