What departments does OneCor Services LLC have?

OneCor Services LLC has employees across 6 departments including Finance, Business Development, Operations, Accounting, Information Technology.

What is the largest department at OneCor Services LLC?

The largest department at OneCor Services LLC is Finance with 2 employees.

Where are OneCor Services LLC employees located globally?

OneCor Services LLC has employees across 2 continents and 2 countries including South Africa, United States Of America.

How has OneCor Services LLC's team size changed over time?

OneCor Services LLC's team has remained stable from approximately 17 to 17 employees based on available data.

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.

OneCor Services LLC Global Highlights

North America
26

United States Of America
26

Africa
6

South Africa
6

OneCor Services LLC's Leadership

T. B.
Chief Executive Officer
Mobile Phone
Email
H. J.
Chief Financial Officer
Mobile Phone
Email
S. A.
Business Development Manager - Bakken
Mobile Phone
Email
Z. Z.
Pumping Manager
Mobile Phone
Email
J. H.
Finance Manager
Mobile Phone
Email
P. O.
Operations Manager
Mobile Phone
Email
J. D.
Operations Manager
Mobile Phone
Email
D. W.
Field Service Specialist
Mobile Phone
Email

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

T. B.
Chief Executive Officer
Mobile Phone
Email
United StatesFlorida
Jul 02, 2026
H. J.
Chief Financial Officer
Mobile Phone
Email
United StatesNorth Dakota
May 21, 2026
S. A.
Business Development Manager - Bakken
Mobile Phone
Email
United StatesMontana
Jun 27, 2026
Z. Z.
Pumping Manager
Mobile Phone
Email
United StatesNorth Dakota
Jun 29, 2026
J. H.
Finance Manager
Mobile Phone
Email
Oct 17, 2024
P. O.
Operations Manager
Mobile Phone
Email
United StatesWyoming
Sep 17, 2024
J. D.
Operations Manager
Mobile Phone
Email
Jun 19, 2026
D. W.
Field Service Specialist
Mobile Phone
Email
United StatesNorth Dakota
Jun 25, 2026
A. A.
Staff Accountant
Mobile Phone
Email
United StatesNorth Dakota
Jun 25, 2026
M. M.
Weed Control Tech
Mobile Phone
Email
United StatesWyoming
May 30, 2026

Frequently Asked Questions

What is OneCor Services LLC known for?

OneCor Services LLC was founded in 1971 operates in the Oil and Gas industry. The company's main headquarters is located in 606 Dakota Parkway East Williston, North Dakota 58801 United States; 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?

OneCor 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?

OneCor Services LLC has approximately 25 employees as of June 2026. These team members are located across 2 continents, including North AmericaAfrica.

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

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

Chief Executive Officer: T. B.
Chief Financial Officer: H. J.
Business Development Manager - Bakken: S. A.
Pumping Manager: Z. Z.
Finance Manager: J. H.

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OneCor Services LLC Employee Directory

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