What departments does SemGroup Corporation . undefined have?

SemGroup Corporation . undefined has employees across 18 departments including Accounting, Education, Finance, Civil Engineering & Construction, Human Resources.

What is the largest department at SemGroup Corporation . undefined?

The largest department at SemGroup Corporation . undefined is Analytics with 4 employees.

Where are SemGroup Corporation . undefined employees located globally?

SemGroup Corporation . undefined has employees across 5 continents and 7 countries including Mongolia, United Kingdom Of Great Britain And Northern Ireland, United States Of America, Canada, Mexico.

How has SemGroup Corporation . undefined's team size changed over time?

SemGroup Corporation . undefined's team has decreased from approximately 333 to 59 employees based on available data.

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SemGroup Corporation . undefined Employee Directory

Oil and GasOklahoma, United States51-200 Employees

SemGroup Corporation is in the oil and gas industry and moves energy across North America via a network of pipelines, processing plants, refinery-connected storage facilities, and deep-water marine terminals with import and export capabilities. It serves as a link between upstream oil and gas producers and downstream refiners and end users. The company concentrates its operations in western Canada, the Mid-Continent, and the Gulf Coast, and is headquartered in Tulsa, Oklahoma, with additional offices in Calgary, Alberta; Platteville, Colo.; and Houston, Texas. The firm employs between 51 and 200 people. In its history, SemGroup completed the acquisition of Houston Fuel Oil Terminal Company (HFOTCO) in 2017, described as one of the largest oil terminals in the United States, and in 2019 Energy Transfer LP announced a partnership with SemGroup.

SemGroup Corporation . undefined Global Highlights

North America
231

United States Of America
217
Canada
9
Mexico
5

Europe
4

United Kingdom Of Great Britain And Northern Ireland
4

Oceania
2

Australia
2

South America
2

Ecuador
2

Asia
1

Mongolia
1

SemGroup Corporation . undefined's Leadership

T. S.
Chief Accounting Officer And Vice President Controller
Mobile Phone
Email
T. O.
Vice President Corporate Planning
Mobile Phone
Email
B. J.
President
Mobile Phone
Email
J. B.
Co-Founder Head Of School
Mobile Phone
Email
B. J.
Director Of Training And Development
Mobile Phone
Email
C. T.
Director
Mobile Phone
Email
J. G.
Director
Mobile Phone
Email
J. L.
Independent Director
Mobile Phone
Email

SemGroup Corporation . undefined Employee Metrics

100%

50%

2026

2025

Accounting
Analytics
Operations
Marketing
Engineering
Other
Information Technology
Administrative
Finance
Civil Engineering & Construction
Supply Chain
Arts & Design
Human Resources

Contact profiles from SemGroup Corporation . undefined

Name

Title

Contact Info

Location

Last Update

T. L.
Rotating Equipment Supervisor
Mobile Phone
Email
CanadaAlberta
May 31, 2026
M. T.
Maintenance Planner
Mobile Phone
Email
CanadaAlberta
Jun 28, 2026
M. R.
I&e Tech 2
Mobile Phone
Email
Apr 16, 2026
M. R.
Apprentice Mechanical Technician
Mobile Phone
Email
United KingdomSwansea
Dec 31, 2025
C. P.
General Counsel
Mobile Phone
Email
Oct 23, 2024
D. T.
Leadman And Sample Specialist
Mobile Phone
Email
Oct 23, 2024
D. W.
Driver Gauger
Mobile Phone
Email
Oct 18, 2024
D. E.
Pipeline Automation Supervisor
Mobile Phone
Email
Oct 18, 2024
E. G.
Field Operations Supervisor
Mobile Phone
Email
Oct 18, 2024
F. C.
Area Inspector
Mobile Phone
Email
Oct 17, 2024

Frequently Asked Questions

What is SemGroup Corporation . undefined known for?

SemGroup Corporation . undefined operates in the Oil and Gas industry. Explore SemGroup Corporation . undefined's company overview page for more information.

What is SemGroup Corporation . undefined's most common email format?

SemGroup Corporation . undefined employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more SemGroup Corporation . undefined email formats with LeadIQ.

How many employees does SemGroup Corporation . undefined have currently?

SemGroup Corporation . undefined has approximately 117 employees as of July 2026. These team members are located across 5 continents, including North AmericaEuropeOceania.

Who are SemGroup Corporation . undefined's key employees and leadership?

As of July 2026, SemGroup Corporation . undefined's key employees include:

Chief Accounting Officer And Vice President Controller: T. S.
Vice President Corporate Planning: T. O.
President: B. J.
Co-Founder Head Of School: J. B.
Director Of Training And Development: B. J.

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SemGroup Corporation . undefined Employee Directory

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