Explore TC Energy subsidiaries worldwide

Inside TC Energy’s global corporate structure

Get a simple overview of how TC Energy is structured around the world. Here, we outline the corporate setup of TC Energy and provide details about its network of 399 subsidiaries across key markets. Originally founded as TransCanada Corporation, TC Energy is a leading North American energy company operating natural gas and oil pipelines, as well as power generation businesses. The information on group ownership comes from CompanyData.com’s verified corporate hierarchy database, which follows over 380 million companies worldwide.

Where TC Energy’s subsidiaries are located

TC Energy has subsidiaries in four countries, with the United States accounting for 310 subsidiaries (77.7%), followed by Canada with 84 subsidiaries (21.1%). Mexico and Luxembourg also host subsidiaries, though in much smaller numbers. This pattern shows TC Energy’s focus on North America, with the majority of its business and assets concentrated in the US and Canada.

Anr Pipeline CompanyAnr Pipeline Company
Showing 26 of 400 companies
Company NameCountryCityAddress 1State/ProvincePostal CodeWebsiteFounding YearYearly Revenue in U.S. DollarsEmployees TotalBusiness Legal Type - DescriptionNumber of Companies in GroupCompany Registration Number
1
Anr Pipeline Company
USA
Laverne
2 Miles W 1/2 Mile N # 12
Harper
73848
N/A
N/A
0
38
400
N/A
2
Columbia Gas Transmission, LLC
USA
Charleston
1700 Maccorkle Ave Se
Kanawha
25314
nisource.*****
N/A
0
28
400
N/A
3
Tc Ravenswood, LLC
USA
Long Island City
3854 Vernon Blvd Unit 40
Queens
11101
shawgrp.*****
2002
$13,772,152
16
Partnership of unknown type
400
N/A
4
Columbia Gas Transmission, LLC
USA
Kenova
2000 Big Sandy Rd
Wayne
25530
N/A
N/A
0
10
400
N/A
5
Anr Pipeline Company
USA
Big Rapids
11039 150th Ave
Mecosta
49307
anrpl.*****
N/A
0
10
400
N/A
6
Columbia Gas Transmission, LLC
USA
Lakewood
4477 Gleason Rd
Chautauqua
14750
N/A
N/A
0
10
400
N/A
7
Transcanada CORPORATION
USA
Monroe Bridge
3a School St
Franklin
01350
transcanada.*****
N/A
0
6
400
N/A
8
Anr Pipeline Company
USA
Holland
4699 61st St Ste A
Ottawa
49423
N/A
N/A
0
5
400
N/A
9
Columbia Gas Transmission, LLC
USA
Shenandoah
Rr 1 Box 260-A
Prince William
22849
N/A
N/A
0
5
400
N/A
10
Columbia Pipeline Group Services Company
USA
Houston
5151 San Felipe St
Harris
77056
columbiapipelinegroup.*****
2008
$24,896,069
5
Corporation
400
N/A
11
Columbia Gas Transmission, LLC
USA
Elyria
627 Walnut Street
Lorain
44036
N/A
N/A
0
5
400
N/A
12
Columbia Gas Transmission, LLC
USA
Staunton
101 S Coulter Street
Staunton
24402
N/A
N/A
0
5
400
N/A
13
Anr Pipeline Company
USA
Havensville
N/A
Pottawatomie
66432
transcanada.*****
N/A
0
4
400
N/A
14
Columbia Gas Transmission, LLC
USA
Summerfield
27167 State Rt 724
Noble
43788
N/A
N/A
0
2
400
N/A
15
American Natural Resources Company
USA
Brookfield
18000 W Sarah Ln Ste 200
Waukesha
53045
N/A
N/A
0
1
400
N/A
16
Columbia Gas Transmission, LLC
USA
Milford
216 Fire Tower Rd
Pike
18337
tcenergy.*****
N/A
0
1
400
N/A
17
Columbia Gulf Transmission, LLC
USA
Sugar Grove
6175 Old Logan Rd
Miami
43155
columbiapipelinegroup.*****
N/A
0
73
400
N/A
18
Columbia Gas Transmission, LLC
USA
Columbus
290 W Nationwide Blvd Unit 114
Franklin
43215
columbiagasohio.*****
N/A
0
28
400
N/A
19
Columbia Gas Transmission, LLC
USA
Lakeville
8462 State Route 179
Holmes
44638
columbiagastrans.*****
N/A
0
16
400
N/A
20
Columbia Gas Transmission, LLC
USA
Pittsburgh
N/A
Allegheny
15230
N/A
N/A
0
13
400
N/A
21
Millennium Pipeline Company, L.L.C.
USA
Pearl River
1 Blue Hill Plz Ste 1565
Rockland
10965
millenniumpipeline.*****
2015
$267,187,020
11
Corporation
400
2812591
22
Anr Pipeline Company
USA
Lineville
2868 15th St
Wayne
50147
anrpl.*****
N/A
0
8
400
N/A
23
Anr Pipeline Company
USA
Cottage Grove
7845 Highway 140 N
Henry
38224
anrpl.*****
N/A
0
8
400
N/A
24
Anr Pipeline Company
USA
Shelbyville
5500 Smithland Rd
Shelby
46176
anrpl.*****
N/A
0
7
400
N/A
25
Columbia Gas Transmission, LLC
USA
Sparrow Bush
18 Old Cahoonzie Rd
Orange
12780
columbiapipelinegroup.*****
N/A
0
6
400
N/A
26
Columbia Gas Transmission, LLC
USA
Chesterhill
9415 Compressor Rd
Morgan
43728
N/A
N/A
0
5
400
N/A

Showing 26 of 400 companies

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Explore TC Energy's Global Corporate Structure

TC Energy’s ownership network is included in over 41 million corporate hierarchies mapped in our company ownership database. It details how TC Energy is structured, providing verified information about its parent company and subsidiaries in multiple countries. Learn about TC Energy’s global reach and request a free sample from our comprehensive dataset.

TC Energy Company Facts

Where is TC Energy headquartered?

TC Energy is headquartered in Calgary, Alberta, Canada.

How many subsidiaries does TC Energy have?

TC Energy operates around 399 companies in 4 countries.

Who owns TC Energy?

TC Energy is a publicly traded company, with shares listed and broadly owned by institutional and retail investors.

Is TC Energy a Canadian company?

Yes, TC Energy is incorporated in Canada (company no. 0312288168).

How many employees work at TC Energy?

TC Energy has about 7,000 employees across North America.

Corporate family tree

Why a Clear View of TC Energy’s Corporate Structure Matters

Understanding who owns and manages a company gives insights into how it works and its operational scale. Our corporate hierarchy data makes it possible to track the connections between parent companies, subsidiaries, and stakeholders, showing group ownership, structure, and any risks across the global network. Whether you’re researching TC Energy or other international groups, this kind of information supports compliance, market research, and strong CRM management. CompanyData.com supplies trusted corporate ownership data from millions of companies worldwide, letting you see company networks across regions and industries.

How TC Energy’s Global and Regional Structure Works

CompanyData.com shows company profiles like TC Energy’s within a clear, three-level structure: Global, National, and Local headquarters. This makes it easy to see how each business unit sits within the group and the overall TC Energy family.

The three main levels

  • Global HeadquartersTC Energy Corporation acts as the global headquarters, with its main office in Canada. It is responsible for all subsidiaries and activities around the world.
  • National Headquarters — These entities manage activities in individual countries and report to the global headquarters. For instance, TC Energy has national headquarters and subsidiaries in Canada, United States, Mexico, and Luxembourg.
  • Local Headquarters — These are subsidiaries and operating units responsible for running specific projects, pipelines, and assets in their markets, ensuring local compliance and service delivery.

Each company/entity has its own unique identifier. This lets you connect subsidiaries to the parent, follow ownership chains, and use this information in your business systems.

How control is determined

In our data, control is based on ownership. If a company owns over 50% of another entity, that second business is a controlled subsidiary. This approach makes complex structures like TC Energy’s easier to understand and is standard for large groups.

Benefits of this data

This setup lets you see who has authority over TC Energy’s operations worldwide—helping with compliance, risk management, and mergers or acquisitions. With trusted, mapped ownership data, CompanyData.com gives you confidence to navigate TC Energy’s company network. Our system links over 41 million companies across 200 countries, valuable for anyone managing complex international groups.

 

How TC Energy’s Global and Regional Structure Works

Global Corporate Structure and Subsidiaries of TC Energy

CompanyData.com delivers verified international business information on company ownership structures and subsidiaries, tailored for CRM enrichment, compliance checks, market research, and business intelligence. Free sample data is available, and customized datasets (with up to 1,000 companies) can be delivered to approved corporate clients with an active business website. For targeted contact lists, visit our Company Data Platform.

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TC Energy ownership & subsidiary data – FAQs

You can access TC Energy company data through API, bulk files, or the Bold Platform. We build custom datasets based on your target countries, industries, and company characteristics. Once you share your requirements, our team prepares a tailored dataset and sends a free quote with record counts and example data within 24 hours. After you approve, we deliver your data fast in your preferred format — via Excel, API, bulk file, or directly in the Bold Platform.

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The price of our TC Energy data depends on your selected details and delivery method. Whether you are interested in the entire subsidiary structure or a focused dataset via API or bulk files, we offer flexible pricing. You can request a free quote and record count within 24 hours — our team provides clear pricing and a free sample of 10 company contacts. At CompanyData.com, you only pay for the quality global data you need.

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At CompanyData.com, you can view up-to-date, verified data on TC Energy and all its subsidiaries, refreshed daily. This includes legal names, company registrations, locations, industry codes, key financial metrics such as TC Energy’s revenue of $10.48 billion, and leading contacts. You can get the data via the Bold Platform, API, or bulk file. Our database covers 100% of global companies, giving you complete business insights.

At CompanyData.com, our business data is gathered from verified global sources to ensure accuracy and coverage. We use official registries, financial reports, LEI records, reliable partners, and verified company websites. All information is carefully checked and validated by experts, so your data is accurate, up to date, and GDPR-compliant.

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