Where is Quanta Services headquartered?
In Houston, Texas, United States.
Quanta Services, Inc. is a leading infrastructure services company headquartered in Houston, United States. Established to meet the growing demand for energy, communication, and utility infrastructure, Quanta operates a wide-reaching corporate structure with a network of 612 subsidiaries worldwide. This ownership information comes from CompanyData.com’s reliable corporate hierarchy database, featuring data on over 380 million companies globally.
Quanta Services has 612 subsidiaries spread throughout 16 countries, with the majority located in the United States (514 subsidiaries, 84%), followed by Canada (61 subsidiaries, 10%), and Australia (19 subsidiaries, 3%). These key regions highlight Quanta’s focus on infrastructure services across energy, telecom, and related sectors worldwide.
List of Quanta Services subsidiaries
Company Hierarchy
| Company | Location | Founded | Employees | Revenue (USD) | Legal Type | CEO | Website | Category Code | Category Description | # in Group | Local HQ Name | Local HQ City | Local HQ Country | National HQ Name | National HQ City | Global HQ Name | Global HQ City | Global HQ Country | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Quanta Services, INC.Quanta Services, INC.Global Headquarter | Houston, USA | 1997 | 58,400 | $28.5B | Corporation | Earl C Austin Jr | quantaservices.com | 1731 | Electrical Work | 651 | Quanta Services, Inc. | HOUSTON | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||
Qsi INCQsi INC | Millsboro, USA | 5 | $1.4M | 2842 | Specialty Cleaning, Polishing, and Sanitation Preparations | 651 | Quanta Services, Inc. | HOUSTON | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||||||
Redes Andinas De Comunicaciones S.R.L.Redes Andinas De Comunicaciones S.R.L.National HQ | Lima, Peru | 2015 | 1 | $24K | Partnership of unknown type | Lesly Mónica Valdiviezo Perez | 4813 | Telephone Communications, Except Radiotelephone | 667 | Quanta Services, Inc. | HOUSTON | United States of America | Redes Andinas de Comunicaciones S.R.L. | Lima | Quanta Services, Inc. | HOUSTON | United States of America | |||
Servicios De Infraestructura Del Peru Sociedad Anonima CerradaServicios De Infraestructura Del Peru Sociedad Anonima CerradaNational HQ | Lima, Peru | 2015 | 8 | $438K | Corporation | Mario Ivan Saona Tamayo | 8712 | Architectural Services | 667 | Quanta Services, Inc. | HOUSTON | United States of America | SERVICIOS DE INFRAESTRUCTURA DEL PERU SOCIEDAD ANONIMA CERRADA | Lima | Quanta Services, Inc. | HOUSTON | United States of America | |||
Grid Training CORPORATIONGrid Training CORPORATIONLocal HQ | Meridian, USA | 2018 | 211 | $21.9M | Corporation | Aaron Howell | lineman.edu | 8249 | Vocational Schools, Not Elsewhere Classified | 651 | Quanta Services, Inc. | HOUSTON | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||
Grid Training CORPORATIONGrid Training CORPORATION | Denton, USA | 80 | Aaron Howell | lineman.edu | 8249 | Vocational Schools, Not Elsewhere Classified | 651 | Grid Training Corporation | Meridian | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | |||||
Grid Training CORPORATIONGrid Training CORPORATION | Oroville, USA | 80 | lineman.edu | 8221 | Colleges, Universities, and Professional Schools | 651 | Grid Training Corporation | Meridian | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||||||
Alexander Publications LLCAlexander Publications LLC | Newport Beach, USA | 1986 | 3 | $820K | Proprietorship | Richard Alexander | alexanderpublications.com | 2741 | Miscellaneous Publishing | 651 | Quanta Services, Inc. | HOUSTON | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||
Digco Utility Construction, L.P.Digco Utility Construction, L.P.Local HQ | Houston, USA | 1997 | 105 | $12.5M | Corporation | Earl Austin Jr | nhplc.com | 1611 | Highway and Street Construction, Except Elevated Highways | 651 | Quanta Services, Inc. | HOUSTON | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||
Digco Utility Construction, L.P.Digco Utility Construction, L.P. | Broussard, USA | 25 | Eddie Clyde | rangerdirectional.com | 1611 | Highway and Street Construction, Except Elevated Highways | 651 | Digco Utility Construction, L.P. | Houston | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | |||||
Digco Utility Construction, L.P.Digco Utility Construction, L.P. | Elk City, USA | 25 | Doug Haines | 1623 | Water, Sewer, Pipeline, and Communications and Power Line Construction | 651 | Digco Utility Construction, L.P. | Houston | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||||||
Digco Utility Construction, L.P.Digco Utility Construction, L.P. | Houston, USA | 25 | Derrell Isenberg | nhplc.com | 1389 | Oil and Gas Field Services, Not Elsewhere Classified | 651 | Digco Utility Construction, L.P. | Houston | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | |||||
Stronghold, LTD.Stronghold, LTD.Local HQ | Pasadena, USA | 2017 | 72 | $39.6M | Partnership of unknown type | Joe Durham | strongholdlimited.com | 8742 | Management Consulting Services | 651 | Quanta Services, Inc. | HOUSTON | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||
Stronghold, LTD.Stronghold, LTD. | Broken Arrow, USA | 1 | strongholdlimited.com | 8999 | Services, Not Elsewhere Classified | 651 | Stronghold, Ltd. | Pasadena | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||||||
Elite Turnaround Specialists, LTDElite Turnaround Specialists, LTDLocal HQ | La Porte, USA | 2012 | 72 | $22.5M | Partnership of unknown type | Joe Durham | catspec.com | 4789 | Transportation Services, Not Elsewhere Classified | 651 | Stronghold, Ltd. | Pasadena | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||
Elite Turnaround Specialists, LTDElite Turnaround Specialists, LTD | Nederland, USA | 58 | strongholdspecialtyltd.com/turnaround-services.html | 8742 | Management Consulting Services | 651 | Elite Turnaround Specialists, Ltd | La Porte | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||||||
Specialty Tank Services, LTD.Specialty Tank Services, LTD. | La Porte, USA | 2010 | 12 | $11.2M | Partnership of unknown type | Joe Durham | tankspecialists.com | 3795 | Tanks and Tank Components | 651 | Stronghold, Ltd. | Pasadena | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||
Quanta Power Generation, INC.Quanta Power Generation, INC. | Norton, USA | 2010 | 5 | $595K | Corporation | Chris Laursen | 1711 | Plumbing, Heating and Air-Conditioning | 651 | Quanta Services, Inc. | HOUSTON | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | |||
Elite Fabrication, LTDElite Fabrication, LTDLocal HQ | La Porte, USA | 2009 | 2 | $4.7M | Partnership of unknown type | Joe Durham | catspec.com | 3449 | Miscellaneous Structural Metal Work | 651 | Quanta Services, Inc. | HOUSTON | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||
Elite Fabrication, LTDElite Fabrication, LTD | La Porte, USA | 1 | Kelly Conques | 3449 | Miscellaneous Structural Metal Work | 651 | Elite Fabrication, Ltd | LA PORTE | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||||||
Service Electric CompanyService Electric CompanyLocal HQ | Chattanooga, USA | 2012 | 600 | $112.2M | Corporation | Jody Shea | serviceelectricco.com | 1629 | Heavy Construction, Not Elsewhere Classified | 651 | Quanta Services, Inc. | HOUSTON | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||
Service Electric CompanyService Electric Company | Tuscola, USA | 57 | 1623 | Water, Sewer, Pipeline, and Communications and Power Line Construction | 651 | Service Electric Company | CHATTANOOGA | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | |||||||
Service Electric CompanyService Electric Company | Ashland, USA | 3 | Matt Buckner | serviceelectricco.com | 1623 | Water, Sewer, Pipeline, and Communications and Power Line Construction | 651 | Service Electric Company | CHATTANOOGA | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | |||||
Service Electric CompanyService Electric Company | Calera, USA | 29 | serviceelectriccompany.biz | 1731 | Electrical Work | 651 | Service Electric Company | CHATTANOOGA | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | ||||||
Service Electric CompanyService Electric Company | Leesburg, USA | 62 | James E Bowen | serviceelectricco.com | 1623 | Water, Sewer, Pipeline, and Communications and Power Line Construction | 651 | Service Electric Company | CHATTANOOGA | United States of America | Quanta Services, Inc. | HOUSTON | Quanta Services, Inc. | HOUSTON | United States of America | |||||
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Quanta Services’ ownership network is part of more than 41 million corporate hierarchies mapped in our company ownership database. It reveals how companies are structured and connected, showing parent entities and subsidiaries with verified data from groups across 200 countries and jurisdictions. Discover how our dataset works — and request a custom sample to see the details.
In Houston, Texas, United States.
About 612 across multiple countries.
Quanta Services is publicly traded; no single majority shareholder.
Yes. Quanta Services Inc. is incorporated in the United States.
Quanta employs approximately 37,000 people worldwide.
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Knowing who owns what helps you understand how companies operate and connect. Our corporate hierarchy data lets you follow the links between parent companies, subsidiaries, and shareholders, showing control, structure, and risks within any global group. Whether you’re reviewing Quanta Services or another multinational, this insight supports compliance reviews, business research, and better data management. With verified ownership details on over 380 million companies worldwide, CompanyData.com provides a clear view of ownership across industries and borders.
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