List of Quanta Services subsidiaries

Verified insights into Quanta Services’ global corporate structure and subsidiaries.

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The price for our Quanta Services company data depends on the details and delivery method you choose. Whether you want a list of subsidiaries or a full dataset via API or bulk files, we offer flexible pricing to meet your needs. You can request a free quote and record count within 24 hours. Our team provides transparent pricing and a free sample of 10 company contacts. At CompanyData.com, you only pay for verified global data you require.

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Q: What information is available about Quanta Services?

At CompanyData.com, you can find detailed, verified data on Quanta Services, Inc. and all its subsidiaries, updated daily. This data includes company names, registration details, locations, industry classifications, financial metrics, and key contacts. Access and download the data via the Bold Platform, API, or bulk file delivery. Our database offers 100% worldwide company coverage ensuring complete and accurate insights.

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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.

Distribution of Quanta Services subsidiaries across regions

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.

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Top Subsidiaries and Companies Owned by Quanta Services

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	Company Name	Country	City	Address 1	State/Province	Postal Code	Website	Founding Year	Yearly Revenue in U.S. Dollars	Employees Total	Business Legal Type - Description	Number of Companies in Group	Company Registration Number
1	M.G. Dyess, LLC	USA	Bassfield	7159 Highway 35	Jefferson Davis	39421	mgdyess.*****	1992	$25,668,698	60	N/A	N/A	589047
2	H.L. Chapman Pipeline Construction, INC.	USA	Leander	9250 Fm 2243	Williamson	78641	hlchapman.*****	1999	$15,733,485	15	N/A	N/A	0034509500
3	B & N Clearing And Enviromental LLC	USA	Fayetteville	438 E Millsap Rd Ste 102	Washington	72703	quantaservices.*****	N/A	$0	6	N/A	N/A	N/A
4	Par Electrical Contractors, LLC	USA	Kansas City	4770 N Belleview Ave Fl 300	Jackson	64116	parelectric.*****	N/A	$0	3	N/A	N/A	N/A
5	Price Gregory Services, LLC	USA	The Woodlands	24 Waterway Ave Ste 850	Montgomery	77380	quantaservices.*****	2009	$2,545,792	3,200	N/A	N/A	N/A
6	Consolidated Power Projects Australia PTY LTD	Australia	Adelaide	205 Halifax St	South Australia	5000	conpower.*****	1996	$128,933,805	1,085	N/A	N/A	075411219
7	Coe Drilling PTY LTD	Australia	Brisbane	L 2 22 Cordelia St	Queensland	4101	N/A	1988	$105,121,310	1,085	N/A	N/A	007015563
8	Enscope PTY LTD	Australia	Perth	U 7 50 Oxford Cl	Western Australia	6007	enscope.*****	2009	$108,351,355	1,085	N/A	N/A	136478030
9	Elite Construction Of Ocala, LLC	USA	Kissimmee	3575 Suzette Dr	Osceola	34746	eliteofocala.*****	N/A	$0	163	N/A	N/A	N/A
10	Crux Subsurface, INC.	USA	Spokane Valley	4308 N Barker Rd	Spokane	99027	cruxsub.*****	2012	$21,762,822	100	N/A	N/A	2010092400367
11	Gem Mobile Treatment Services, INC.	USA	Signal Hill	2525 Cherry Ave Ste 105	Los Angeles	90755	gem.*****	2024	$6,329,402	60	N/A	N/A	N/A
12	Quanta Services Management Partnership, L.P.	USA	Houston	1360 Post Oak Blvd	Harris	77056	quantaservices.*****	1998	$27,650,284	52	N/A	N/A	0011011610
13	Quanta Telecommunication Solutions LLC	USA	Jacksonville	2083 Nickerson Ln	Duval	32207	N/A	N/A	$0	51	N/A	N/A	N/A
14	Par Electrical Contractors, INC.	USA	Wichita	4605b Southwest Blvd	Sedgwick	67215	N/A	N/A	$0	45	N/A	N/A	N/A
15	Digco Utility Construction, L.P.	USA	Houston	8706 E Hardy Rd	Harris	77093	nhplc.*****	N/A	$0	25	N/A	N/A	N/A
16	Island Mechanical CORPORATION	USA	Kapolei	91-2461 Coral Sea Rd	Honolulu	96707	islandmechanical.*****	1993	$8,896,015	20	N/A	N/A	89578 D1
17	Intellect Systems PTY LTD	Australia	Perth	L 21 Amp Building 140 St Georges Tce	Western Australia	6000	intellectsystems.*****	2005	$5,997,341	16	N/A	N/A	115885348
18	Quanta Infrastructure Services, LLC	USA	Houston	2800 Post Oak Blvd Ste 2600	Harris	77056	quantaservices.*****	2016	$9,462,648	13	N/A	N/A	6116763
19	North Sky Engineering, INC.	USA	Sumner	14103 Stewart Rd	Pierce	98390	northskyeng.*****	2009	$342,178	10	N/A	N/A	N/A
20	Nlc TX., INC.	USA	Meridian	7600 S Meridian Rd	Ada	83642	lineman.*****	2018	$640,478	6	N/A	N/A	00562464
21	Underground Construction CO., INC.	USA	Houston	2800 Post Oak Blvd Ste 2600	Harris	77056	N/A	2019	$2,161,969	6	N/A	N/A	N/A
22	Argut Holdings PTY. LTD.	Australia	Canberra	G65b Woden Plaza	Australian Capital Territory	2606	N/A	1985	$67,720	6	N/A	N/A	008609569
23	Qtsl, LLC	USA	Houston	2800 Post Oak Blvd Ste 2600	Harris	77056	N/A	N/A	$975,453	5	N/A	N/A	N/A
24	Quanta Services, INC.	USA	La Grange	4160 Fm 153	Fayette	78945	N/A	N/A	$0	5	N/A	N/A	N/A
25	Par Electrical Contractors, LLC	USA	Kansas City	4770 N Belleview Ave Fl 300	Jackson	64116	parelectric.*****	N/A	$0	4	N/A	N/A	N/A
26	Tom Allen Construction Company	USA	Houston	1360 Post Oak Blvd Ste Null	Harris	77056	trinityconsultants.*****	2009	$355,638	4	N/A	N/A	760589277

Companies by Employee Size

1-4209
5-9111
10-1971
20-4989
50-9964
100-19938
200-49924
500-9994
1.000-4.9999
0 or Unknown20

Companies by Revenue Size (in USD)

0 or Unknown341
1 to 100.0008
100.001 to 499.99933
500.000 to 999.99942
1.000.000.000 or more1
1.000.000 to 4.999.999101
5.000.000 to 9.999.99927
10.000.000 to 49.999.99948
50.000.000 to 99.999.99914
100.000.000 to 499.999.99919
500.000.000 to 999.999.9995

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Explore Global Corporate Structures in Detail

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.

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Quanta Services Company Facts

Where is Quanta Services headquartered?

In Houston, Texas, United States.

How many subsidiaries does Quanta Services have?

About 612 across multiple countries.

Who owns Quanta Services?

Quanta Services is publicly traded; no single majority shareholder.

Is Quanta Services a US company?

Yes. Quanta Services Inc. is incorporated in the United States.

How many employees work for Quanta Services?

Quanta employs approximately 37,000 people worldwide.

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Why Understanding Quanta Services Ownership is Important

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.

How We Define Global, National, and Local Headquarters for Quanta Services

At CompanyData.com, we map company structures like that of Quanta Services using a three-level hierarchy: Global, National, and Local headquarters. This system helps reveal the role of each part within the company family.

Our three levels explained

Global Headquarter — The global headquarter oversees the whole group. For Quanta Services, this is the international corporate office in Houston, USA, at the top of the ownership chain.
National Headquarters — These are country-level entities that manage local operations and report to the global parent. For example, Quanta Canada Ltd. handles Canadian operations, while other units cover Australia and other countries.
Local Headquarters — Regional or city-level subsidiaries manage day-to-day business, project execution, and local compliance within their markets.

Each company is given a unique ID so you can connect subsidiaries to parents, trace ownership lines, and easily use the data in your systems.

How control is determined

We define control mainly by ownership share. When a company owns over 50% of another, it’s treated as a controlled subsidiary. Our focus on majority control relationships helps paint a clear picture of corporate hierarchies. This approach accurately maps complex ownership like Quanta Services’ and can be used for any multinational.

Why this matters for your business

Understanding this structure helps identify decision-makers within the Quanta Services Group, eases compliance checks, and supports mergers, acquisitions, or risk assessments. Using verified ownership data from CompanyData.com, users get transparent insight into how Quanta Services and similar global companies are organized. With data covering more than 612 companies linked in 12 countries including the USA [US], Canada [CA], Australia [AU], and others, our database offers clarity and confidence when working with international corporate networks.

How We Define Global, National, and Local Headquarters for Quanta Services

Quanta Services Global Corporate Structure

CompanyData.com provides trusted data for companies seeking clear insights into the global ownership and subsidiary structures of major corporations like Quanta Services. Our data supports compliance, market research, and strategic planning with accurate and up-to-date company details. You can request free data samples or larger tailored datasets crafted for your business needs. For contact or lead generation lists, please see our Company Data Platform.

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Quanta Services ownership & subsidiary data – FAQs

You can access Quanta Services company data through API, bulk files, or the Bold Platform. We create custom datasets based on your target countries, industries, and company profiles. After you share your criteria, our experts prepare a tailored dataset and send a free quote with record counts and sample data within 24 hours. Once approved, we deliver your data quickly in your preferred format — via Excel, API, bulk file, or directly in the Bold Platform.

If you need company data beyond Quanta Services or from different industries, CompanyData.com offers full global coverage. You’ll receive accurate, verified business information across every country and sector. Simply tell us your needs, and our experts will prepare a custom dataset tailored to your goals. Within 24 hours, you’ll get a free quote, record count, and sample data. Once approved, we deliver your data fast — via Excel, API, bulk file, or on the Bold Platform.

The price for our Quanta Services company data depends on the details and delivery method you choose. Whether you want a list of subsidiaries or a full dataset via API or bulk files, we offer flexible pricing to meet your needs. You can request a free quote and record count within 24 hours. Our team provides transparent pricing and a free sample of 10 company contacts. At CompanyData.com, you only pay for verified global data you require.

At CompanyData.com, we offer secure payment options for company data purchases, including credit cards, bank transfer, and PayPal. All payments are processed securely, and invoices are provided. For larger or ongoing data access, we also support subscription billing and custom invoicing. Need a special payment arrangement? Contact our sales team — we’re here to help.

At CompanyData.com, you can find detailed, verified data on Quanta Services, Inc. and all its subsidiaries, updated daily. This data includes company names, registration details, locations, industry classifications, financial metrics, and key contacts. Access and download the data via the Bold Platform, API, or bulk file delivery. Our database offers 100% worldwide company coverage ensuring complete and accurate insights.

CompanyData.com collects data from verified global business sources to ensure accuracy and comprehensive coverage. Our sources include official business registers, financial filings, LEI records, trusted partners, and verified company websites. Data is cross-checked and validated by specialists to guarantee it is accurate, current, and GDPR-compliant.

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