On the Record · Quanta Services
Quanta Services subsidiaries, as it lists them
The subsidiaries Quanta Services lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| 618232 Alberta Ltd. | Alberta |
| 8246408 Canada Inc. | Quebec |
| Allteck GP Ltd. | British Columbia |
| Allteck Limited Partnership | British Columbia |
| Allteck USA, LLC | Delaware |
| American Eagle Ready Mix Utah, LLC | Delaware |
| Arizona Trench Company, LLC | Delaware |
| Arnett & Burgess Energy Services GP Ltd. | Alberta |
| Arnett & Burgess Energy Services LP | Alberta |
| Axcentium Pty Ltd | Australia |
| B&B Masonry & Restoration, LLC | Delaware |
| B&N Clearing and Environmental, LLC | Delaware |
| Banister Pipelines Constructors GP Ltd. | British Columbia |
| Banister Pipelines Limited Partnership | British Columbia |
| Bay Line Construction, LLC | Delaware |
| Billings Flying Service, LLC | Delaware |
| Blackbox Technologies International | Texas |
| Blattner Canada, LLC | Minnesota |
| Blattner Holding Company, LLC | Minnesota |
| Blattner Investments, LLC | Minnesota |
| Brink Constructors, Inc. | South Dakota |
| Calico Real Property, LLC | Delaware |
| CanACRE Ltd. | British Columbia |
| Canacre USA, LLC | Delaware |
| Canadian Utility Construction GP Ltd. | British Columbia |
| Canadian Utility Construction Limited Partnership | British Columbia |
| Caribe Grid Solutions, LLC | Puerto Rico |
| Carolina Power & Signalization, LLC | Delaware |
| Catalyst Changers Inc. | Alberta |
| Catalyst Changers Trinidad, ULC | British Columbia |
| CEI Solar One, LLC | California |
| Clear Power Alaska Joint Venture, LLC | Delaware |
| Conam Construction Co., Inc. | Texas |
| Conti Communications, Inc. | Delaware |
| Cougar Construction, Inc. | Oregon |
| Crux Subsurface Canada Ltd. | British Columbia |
| Crux Subsurface, Inc. | Delaware |
| Cupertino Electric, Inc. | Delaware |
| D.H. Blattner & Sons, LLC | Minnesota |
| Dacon West, LLC | Delaware |
| Dashiell MI Corporation | Delaware |
| Dashiell West, LLC | Delaware |
| Digco Utility Construction, L.P. | Delaware |
| DOD Fueling Contractors Pty Ltd. | Australia |
| Dynamic Systems Mechanical Contractors, Inc. | Delaware |
| Elite Construction of Ocala, LLC | Delaware |
| Enscope Pty Ltd | Australia |
| EnergyLink Sourcing, LLC | Delaware |
| Evergreen Industrial Services, Inc. | Arkansas |
| First Infrastructure Capital GP, L.P. | Delaware |
| Fleet Services West, LLC | Delaware |
| Fueling Systems Contractors, LLC | Delaware |
| GEM Mobile Treatment Services, Inc. | California |
| GRD Line Construction, LLC | Delaware |
| GRD Line Construction GP Ltd. | Alberta |
| GRD Line Construction LP | Alberta |
| H.L. Chapman Pipeline Construction, Inc. | Delaware |
| Helibro, LLC | California |
| Heritage Midstream, LLC | Delaware |
| Industrial Steel Erectors, LLC | Delaware |
| Innoversa Mobile Solutions, LLC | Delaware |
| International Mapping Technologies, LLC | Delaware |
| Irbyvalard, LLC | Delaware |
| Island Mechanical Corporation | Hawaii |
| J&R Underground LLC | Wisconsin |
| J.W. Didado Electric, LLC | Delaware |
| JBT Electric, LLC | Texas |
| KWPT Acquisition, LLC | Delaware |
| Lindsey Electric, L.P. | Texas |
| Mears Broadband, LLC | Delaware |
| Mears Canada Corp. | Nova Scotia |
| Mears Electric, LLC | Delaware |
| MGP Fabrication, LLC | Delaware |
| Mejia Personnel Services, LLC | Texas |
From Exhibit 21 of the 10-K for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from Quanta Services’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-19. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.