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SemGroup Corporation 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.

Find SemGroup Corporation employees' phone numbers or email addresses

SemGroup Corporation Global Highlights

Location
Employees

North America
199

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  • United States Of America
    188
  • Canada
    7
  • Mexico
    4

Europe
3

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  • United Kingdom Of Great Britain And Northern Ireland
    3

SemGroup Corporation's Leadership

  • Chief Accounting Officer And Vice President Controller at SemGroup Corporation
    T. S.
    Chief Accounting Officer And Vice President Controller
    Mobile Phone
  • Vice President Corporate Planning at SemGroup Corporation
    T. O.
    Vice President Corporate Planning
    Mobile Phone
  • Co-Founder Head Of School at SemGroup Corporation
    J. B.
    Co-Founder Head Of School
    Mobile Phone
  • Director at SemGroup Corporation
    C. T.
    Director
    Mobile Phone
  • Director at SemGroup Corporation
    J. G.
    Director
    Mobile Phone
  • Independent Director at SemGroup Corporation
    J. L.
    Independent Director
    Mobile Phone
  • Independent Director at SemGroup Corporation
    K. K.
    Independent Director
    Mobile Phone
  • Independent Director at SemGroup Corporation
    R. B.
    Independent Director
    Mobile Phone

SemGroup Corporation Employee Metrics

100%
50%
0%
2026
2025
  • Accounting
  • Analytics
  • Operations
  • Marketing
  • Engineering
  • Other
  • Information Technology
  • Administrative
  • Finance
  • Civil Engineering & Construction
  • Supply Chain
  • Arts & Design
  • Human Resources
  • Legal

Contact profiles from SemGroup Corporation

Name
Title
Contact
Location
Last Update
  • Co-Founder Head Of School at SemGroup Corporation
    J. B.
    Co-Founder Head Of School
    Mobile Phone
    Jan 12, 2026
  • Chief Accounting Officer And Vice President Controller at SemGroup Corporation
    T. S.
    Chief Accounting Officer And Vice President Controller
    Mobile Phone
    Oct 18, 2024
  • Vice President Corporate Planning at SemGroup Corporation
    T. O.
    Vice President Corporate Planning
    Mobile Phone
    Oct 16, 2024
  • Director at SemGroup Corporation
    C. T.
    Director
    Mobile Phone
    UNITED KINGDOM, DYFED
    Apr 10, 2023
  • Director at SemGroup Corporation
    J. G.
    Director
    Mobile Phone
    Oct 16, 2024
  • Independent Director at SemGroup Corporation
    J. L.
    Independent Director
    Mobile Phone
    Oct 17, 2024
  • Independent Director at SemGroup Corporation
    K. K.
    Independent Director
    Mobile Phone
    Oct 16, 2024
  • Independent Director at SemGroup Corporation
    R. B.
    Independent Director
    Mobile Phone
    Oct 17, 2024
  • Finance And Administration Manager at SemGroup Corporation
    R. C.
    Finance And Administration Manager
    Mobile Phone
    Mexico, México
    Jun 24, 2026
  • Construction Manager at SemGroup Corporation
    F. B.
    Construction Manager
    Mobile Phone
    Oct 23, 2024

Frequently Asked Questions

What is SemGroup Corporation known for?

Minus sign iconPlus sign iconSemGroup Corporation operates in the Oil and Gas industry. Explore SemGroup Corporation's company overview page for more information.

What is SemGroup Corporation's most common email format?

Minus sign iconPlus sign iconSemGroup Corporation employees' email format typically follows the pattern of FLast@semgroup.com. Trying to find reliable and up-to-date employee contact data? Find more SemGroup Corporation email formats with LeadIQ.

How many employees does SemGroup Corporation have currently?

Minus sign iconPlus sign iconSemGroup Corporation has approximately 116 employees as of August 2026. These team members are located across 2 continents, including North America and Europe.

Who are SemGroup Corporation's key employees and leadership?

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As of August 2026, SemGroup Corporation's key employees include:

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

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