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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
    189
  • Canada
    7
  • Mexico
    3

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
  • Senior Manager Business Development at SemGroup Corporation
    T. H.
    Senior Manager Business Development
    Mobile Phone
    Jul 02, 2025
  • Project Manager at SemGroup Corporation
    T. D.
    Project Manager
    Mobile Phone
    Oct 16, 2024
  • Senior Systems Analyst at SemGroup Corporation
    C. D.
    Senior Systems Analyst
    Mobile Phone
    Canada, Alberta
    Oct 23, 2024
  • Senior Development Engineer at SemGroup Corporation
    C. R.
    Senior Development Engineer
    Mobile Phone
    Oct 22, 2024
  • Senior Right Of Way Agent at SemGroup Corporation
    D. K.
    Senior Right Of Way Agent
    Mobile Phone
    Oct 17, 2024
  • Senior Attorney at SemGroup Corporation
    J. F.
    Senior Attorney
    Mobile Phone
    Oct 17, 2024
  • Senior Systems Analyst at SemGroup Corporation
    R. C.
    Senior Systems Analyst
    Mobile Phone
    Oct 23, 2024
  • Joint Venture Audit And Accounts Receivable Team Lead at SemGroup Corporation
    S. B.
    Joint Venture Audit And Accounts Receivable Team Lead
    Mobile Phone
    Oct 18, 2024
  • Corrosion Control Tech Ii at SemGroup Corporation
    T. C.
    Corrosion Control Tech Ii
    Mobile Phone
    Oct 23, 2024
  • Truck Driver at SemGroup Corporation
    K. J.
    Truck Driver
    Mobile Phone
    Jun 01, 2026

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@semgroupcorp.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 115 employees as of October 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 October 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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