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Compare stocks with our powerful stock comparison tool. Analyze fundamentals, price performance, and key financial indicators to make informed investment decisions. Our tool lets you compare up to ten stocks side by side based on Performance Charts, Price & Volume, MarketRank™, Analyst Ratings, Sales & Book Value, Profitability & Earnings, Dividends, Debt, Ownership, Headlines, and more. Simply enter up to ten stock symbols (e.g., BAC, JPM, WFC, C, GS) to get started and uncover top investment opportunities.

Compare
CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
EMCOR Group, Inc. stock logo
EME
EMCOR Group
$646.85
-2.1%		$755.99
$564.92
▼
$951.96
$29.13B1.12372,429 shs577,299 shs
MasTec, Inc. stock logo
MTZ
MasTec
$171.13
-0.2%		$225.03
$164.31
▼
$441.43
$13.78B1.841.42 million shs1.29 million shs
Primoris Services Corporation stock logo
PRIM
Primoris Services
$64.89
-3.1%		$76.03
$62.40
▼
$205.50
$3.60B1.441.53 million shs1.80 million shs
Quanta Services, Inc. stock logo
PWR
Quanta Services
$546.89
-1.0%		$640.38
$408.36
▼
$788.75
$83.06B1.271.06 million shs1.62 million shs
10 Best Stocks to Own in Fall 2026 Cover
10 Best Stocks to Own in Fall 2026

AI spending is reshaping the market, and the opportunity extends far beyond the biggest chipmakers. Discover 10 stocks set to benefit from powerful trends in AI infrastructure, cloud computing, energy, capital returns, and consumer growth this fall.

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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
EMCOR Group, Inc. stock logo
EME
EMCOR Group
-1.95%-10.24%-14.13%-13.11%-2.46%
MasTec, Inc. stock logo
MTZ
MasTec
-0.19%-10.29%-21.36%-49.30%-13.01%
Primoris Services Corporation stock logo
PRIM
Primoris Services
-2.86%-11.20%-12.54%-25.07%+6,488,799,900.00%
Quanta Services, Inc. stock logo
PWR
Quanta Services
-0.83%-13.24%-13.89%-12.64%+32.60%
CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
EMCOR Group, Inc. stock logo
EME
EMCOR Group
$646.85
-2.1%		$755.99
$564.92
▼
$951.96
$29.13B1.12372,429 shs577,299 shs
MasTec, Inc. stock logo
MTZ
MasTec
$171.13
-0.2%		$225.03
$164.31
▼
$441.43
$13.78B1.841.42 million shs1.29 million shs
Primoris Services Corporation stock logo
PRIM
Primoris Services
$64.89
-3.1%		$76.03
$62.40
▼
$205.50
$3.60B1.441.53 million shs1.80 million shs
Quanta Services, Inc. stock logo
PWR
Quanta Services
$546.89
-1.0%		$640.38
$408.36
▼
$788.75
$83.06B1.271.06 million shs1.62 million shs
10 Best Stocks to Own in Fall 2026 Cover
10 Best Stocks to Own in Fall 2026

AI spending is reshaping the market, and the opportunity extends far beyond the biggest chipmakers. Discover 10 stocks set to benefit from powerful trends in AI infrastructure, cloud computing, energy, capital returns, and consumer growth this fall.

Get This Free Report

Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
EMCOR Group, Inc. stock logo
EME
EMCOR Group
-1.95%-10.24%-14.13%-13.11%-2.46%
MasTec, Inc. stock logo
MTZ
MasTec
-0.19%-10.29%-21.36%-49.30%-13.01%
Primoris Services Corporation stock logo
PRIM
Primoris Services
-2.86%-11.20%-12.54%-25.07%+6,488,799,900.00%
Quanta Services, Inc. stock logo
PWR
Quanta Services
-0.83%-13.24%-13.89%-12.64%+32.60%
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
EMCOR Group, Inc. stock logo
EME
EMCOR Group
2.78
Moderate Buy$982.8651.94% Upside
MasTec, Inc. stock logo
MTZ
MasTec
2.86
Moderate Buy$365.10113.34% Upside
Primoris Services Corporation stock logo
PRIM
Primoris Services
2.59
Moderate Buy$123.4790.28% Upside
Quanta Services, Inc. stock logo
PWR
Quanta Services
2.61
Moderate Buy$761.2439.20% Upside

Current Analyst Ratings Breakdown

Latest PRIM, EME, PWR, and MTZ Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
10/23/2026
MasTec, Inc. stock logo
MTZ
MasTec
Citigroup Inc. logo
Citigroup
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Lower Price TargetBuy$408.00 ➝ $308.00
10/22/2026
MasTec, Inc. stock logo
MTZ
MasTec
The Goldman Sachs Group, Inc. logo
The Goldman Sachs Group
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Reiterated RatingBuy$274.00
10/22/2026
Quanta Services, Inc. stock logo
PWR
Quanta Services
The Goldman Sachs Group, Inc. logo
The Goldman Sachs Group
Subscribe to MarketBeat All Access to unlock brokerage rankings
Set Price Target$781.00
10/20/2026
EMCOR Group, Inc. stock logo
EME
EMCOR Group
The Goldman Sachs Group, Inc. logo
The Goldman Sachs Group
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Lower Price TargetNeutral$885.00 ➝ $795.00
10/19/2026
MasTec, Inc. stock logo
MTZ
MasTec
Barclays PLC logo
Barclays
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Lower Price TargetOverweight$340.00 ➝ $320.00
10/19/2026
EMCOR Group, Inc. stock logo
EME
EMCOR Group
Zacks Research logo
Zacks Research
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DowngradeStrong-Buy ➝ Hold
10/19/2026
MasTec, Inc. stock logo
MTZ
MasTec
JPMorgan Chase & Co. logo
JPMorgan Chase & Co.
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Lower Price TargetOverweight$369.00 ➝ $303.00
10/15/2026
MasTec, Inc. stock logo
MTZ
MasTec
KeyCorp logo
KeyCorp
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Lower Price TargetOverweight$371.00 ➝ $320.00
10/13/2026
Quanta Services, Inc. stock logo
PWR
Quanta Services
Weiss Ratings logo
Weiss Ratings
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UpgradeHold (C+) ➝ Buy (B-)
10/12/2026
MasTec, Inc. stock logo
MTZ
MasTec
Cantor Fitzgerald logo
Cantor Fitzgerald
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Reiterated RatingOverweight$348.00
10/9/2026
EMCOR Group, Inc. stock logo
EME
EMCOR Group
UBS Group AG logo
UBS Group
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Reiterated RatingBuy
(Data available from 10/24/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
EMCOR Group, Inc. stock logo
EME
EMCOR Group
$16.99B1.68$29.63 per share21.83$82.09 per share7.88
MasTec, Inc. stock logo
MTZ
MasTec
$16.11B0.85$11.60 per share14.75$42.26 per share4.05
Primoris Services Corporation stock logo
PRIM
Primoris Services
$7.57B0.46$6.91 per share9.39$31.11 per share2.09
Quanta Services, Inc. stock logo
PWR
Quanta Services
$28.48B2.89$15.89 per share34.42$60.54 per share9.03
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
EMCOR Group, Inc. stock logo
EME
EMCOR Group
$1.27B$32.1520.1217.37N/A7.74%35.49%14.12%10/29/2026 (Estimated)
MasTec, Inc. stock logo
MTZ
MasTec
$399.04M$6.2727.2913.98N/A3.07%18.08%5.97%10/29/2026 (Estimated)
Primoris Services Corporation stock logo
PRIM
Primoris Services
$274.90M$2.5525.4513.46N/A1.92%9.96%3.67%11/3/2026 (Confirmed)
Quanta Services, Inc. stock logo
PWR
Quanta Services
$1.03B$8.7362.6430.351.634.03%20.55%7.34%10/29/2026 (Estimated)

Latest PRIM, EME, PWR, and MTZ Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
11/3/2026Q3 2026
Primoris Services Corporation stock logo
PRIM
Primoris Services
$0.7740N/AN/AN/A$2.00 billionN/A
10/29/2026Q3 2026
EMCOR Group, Inc. stock logo
EME
EMCOR Group
$8.37N/AN/AN/A$5.19 billionN/A
10/29/2026Q3 2026
MasTec, Inc. stock logo
MTZ
MasTec
$2.95N/AN/AN/A$4.95 billionN/A
10/29/2026Q3 2026
Quanta Services, Inc. stock logo
PWR
Quanta Services
$4.99N/AN/AN/A$10.96 billionN/A
8/4/2026Q2 2026
Primoris Services Corporation stock logo
PRIM
Primoris Services
-$0.3543-$0.27+$0.0843-$0.45$1.73 billion$1.69 billion
7/30/2026Q2 2026
EMCOR Group, Inc. stock logo
EME
EMCOR Group
$7.23$9.06+$1.83$9.06$4.71 billion$5.15 billion
7/30/2026Q2 2026
MasTec, Inc. stock logo
MTZ
MasTec
$2.23$2.22-$0.01$1.65$4.30 billion$4.37 billion
7/30/2026Q2 2026
Quanta Services, Inc. stock logo
PWR
Quanta Services
$3.31$4.24+$0.93$2.96$8.61 billion$9.56 billion
CompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive Growth
EMCOR Group, Inc. stock logo
EME
EMCOR Group
$1.600.25%+25.59%4.98%5 Years
MasTec, Inc. stock logo
MTZ
MasTec
N/AN/AN/AN/AN/A
Primoris Services Corporation stock logo
PRIM
Primoris Services
$0.320.49%+5.92%12.55%1 Years
Quanta Services, Inc. stock logo
PWR
Quanta Services
$0.440.08%+13.75%5.04%6 Years

Latest PRIM, EME, PWR, and MTZ Dividends

AnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date
10/2/2026
EMCOR Group, Inc. stock logo
EME
EMCOR Group
quarterly$0.400.22%10/15/202610/15/202610/30/2026
7/31/2026
Primoris Services Corporation stock logo
PRIM
Primoris Services
quarterly$0.080.43%9/30/20269/30/202610/15/2026
9/2/2026
Quanta Services, Inc. stock logo
PWR
Quanta Services
quarterly$0.110.07%10/1/202610/1/202610/9/2026
(Data available from 1/1/2013 forward)
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
EMCOR Group, Inc. stock logo
EME
EMCOR Group
N/A
1.28
1.25
MasTec, Inc. stock logo
MTZ
MasTec
0.71
1.40
1.37
Primoris Services Corporation stock logo
PRIM
Primoris Services
0.47
1.18
1.18
Quanta Services, Inc. stock logo
PWR
Quanta Services
0.56
1.10
1.05

Institutional Ownership

CompanyInstitutional Ownership
EMCOR Group, Inc. stock logo
EME
EMCOR Group
92.59%
MasTec, Inc. stock logo
MTZ
MasTec
78.10%
Primoris Services Corporation stock logo
PRIM
Primoris Services
91.82%
Quanta Services, Inc. stock logo
PWR
Quanta Services
90.49%

Insider Ownership

CompanyInsider Ownership
EMCOR Group, Inc. stock logo
EME
EMCOR Group
0.73%
MasTec, Inc. stock logo
MTZ
MasTec
21.40%
Primoris Services Corporation stock logo
PRIM
Primoris Services
1.10%
Quanta Services, Inc. stock logo
PWR
Quanta Services
0.60%
CompanyEmployeesShares OutstandingFree FloatOptionable
EMCOR Group, Inc. stock logo
EME
EMCOR Group
44,00044.11 million43.79 millionOptionable
MasTec, Inc. stock logo
MTZ
MasTec
36,00080.31 million63.12 millionOptionable
Primoris Services Corporation stock logo
PRIM
Primoris Services
18,52653.83 million53.24 millionOptionable
Quanta Services, Inc. stock logo
PWR
Quanta Services
69,500150.34 million149.44 millionOptionable

Recent News About These Companies

Best Renewable Energy Stocks To Add to Your Watchlist - October 24th
 |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/list-best-renewable-energy-stocks-to-add-to-your-watchlist-october-24th-2026-10-24/
Quanta Services, Inc. $PWR Stock Sold by Washington Trust Advisors Inc.
October 24 at 10:31 AM  |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/filing-quanta-services-inc-pwr-stock-sold-by-washington-trust-advisors-inc-2026-10-24/
Robeco Institutional Asset Management B.V. Sells 29,548 Shares of Quanta Services, Inc. $PWR
October 24 at 9:27 AM  |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/filing-robeco-institutional-asset-management-bv-sells-29548-shares-of-quanta-services-inc-pwr-2026-10-24/
Quanta Services, Inc. $PWR Stock: Carderock Capital Management Inc. Reduces Holdings
October 24 at 3:43 AM  |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/filing-quanta-services-inc-pwr-stock-carderock-capital-management-inc-reduces-holdings-2026-10-24/
3,289 Shares in Quanta Services, Inc. $PWR Bought by Andrew Hill Investment Advisors Inc.
October 24 at 3:38 AM  |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/filing-3289-shares-in-quanta-services-inc-pwr-bought-by-andrew-hill-investment-advisors-inc-2026-10-24/
1,845 Quanta Services, Inc. $PWR Shares Sold by Axxcess Wealth Management LLC
October 24 at 3:23 AM  |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/filing-1845-quanta-services-inc-pwr-shares-sold-by-axxcess-wealth-management-llc-2026-10-24/
Here's Why Quanta Services (PWR) Fell More Than Broader Market
October 23 at 7:01 PM  |  zacks.comhttps://www.zacks.com/stock/news/3014376/here-s-why-quanta-services-pwr-fell-more-than-broader-market?cid=cs-stocknewsapi-ft-fundamental_analysis|yseop_template_6v2-3014376
Top Renewable Energy Stocks To Research - October 23rd
October 23 at 2:03 PM  |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/list-top-renewable-energy-stocks-to-research-october-23rd-2026-10-23/
Quanta Services, Inc. (PWR) Offers Exposure to Grid Modernization and AI Infrastructure
October 23 at 1:11 PM  |  insidermonkey.comhttps://www.insidermonkey.com/news/quanta-services-inc-pwr-offers-exposure-to-grid-modernization-and-ai-infrastructure-1858168/
NBT Bank N.A. Makes New Investment in Quanta Services, Inc. $PWR
October 23 at 5:43 AM  |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/filing-nbt-bank-na-makes-new-investment-in-quanta-services-inc-pwr-2026-10-23/
3,079 Quanta Services, Inc. $PWR Shares Bought by Diversify Advisory Services LLC
October 23 at 3:43 AM  |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/filing-3079-quanta-services-inc-pwr-shares-bought-by-diversify-advisory-services-llc-2026-10-23/
Quanta Services, Inc. $PWR Stock: Brookstone Capital Management Grows Holdings
October 23 at 3:12 AM  |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/filing-quanta-services-inc-pwr-stock-brookstone-capital-management-grows-holdings-2026-10-23/
Quanta Services (PWR) Suffers a Larger Drop Than the General Market: Key Insights
October 22 at 7:16 PM  |  zacks.comhttps://www.zacks.com/stock/news/3013374/quanta-services-pwr-suffers-a-larger-drop-than-the-general-market-key-insights?cid=cs-stocknewsapi-ft-fundamental_analysis|yseop_template_6v3-3013374
Quanta Services (PWR) Drops 6.5%, Shedding About $5 Billion in One Day
October 22 at 3:27 PM  |  247wallst.comhttps://247wallst.com/cards/quanta-services-pwr-price-swing-01m5jepe0qcn0xqm0fczt6p6bt
Top Renewable Energy Stocks To Follow Today - October 22nd
October 22 at 2:03 PM  |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/list-top-renewable-energy-stocks-to-follow-today-october-22nd-2026-10-22/
Quanta Services (PWR) Earnings Expected to Grow: What to Know Ahead of Next Week's Release
October 22 at 11:06 AM  |  zacks.comhttps://www.zacks.com/stock/news/3012808/quanta-services-pwr-earnings-expected-to-grow-what-to-know-ahead-of-next-week-s-release?cid=cs-stocknewsapi-ft-fundamental_analysis|yseop_template_9-3012808
These 2 Construction Stocks Could Beat Earnings: Why They Should Be on Your Radar
October 22 at 9:55 AM  |  zacks.comhttps://www.zacks.com/stock/news/3012509/these-2-construction-stocks-could-beat-earnings-why-they-should-be-on-your-radar?cid=cs-stocknewsapi-ft-fundamental_analysis|zacks_education_earnings_esp-3012509
Quanta Services, Inc. $PWR Stock Position Decreased by Nisa Investment Advisors LLC
October 22 at 5:11 AM  |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/filing-quanta-services-inc-pwr-stock-position-decreased-by-nisa-investment-advisors-llc-2026-10-22/
Cantor Fitzgerald Investment Advisors L.P. Purchases 3,815 Shares of Quanta Services, Inc. $PWR
October 22 at 3:27 AM  |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/filing-cantor-fitzgerald-investment-advisors-lp-purchases-3815-shares-of-quanta-services-inc-pwr-2026-10-22/
Quanta Services (PWR) Set to Post Earnings on Thursday
October 22 at 3:27 AM  |  americanbankingnews.comhttps://www.americanbankingnews.com/?p=31145781
Quanta Services (PWR) Projected to Announce Earnings on Thursday
October 22 at 3:25 AM  |  marketbeat.comhttps://www.marketbeat.com/instant-alerts/upcoming-quanta-services-pwr-projected-to-announce-earnings-on-thursday-2026-10-22/

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EMCOR Group stock logo

EMCOR Group NYSE:EME

$646.85 -13.56 (-2.05%)
Closing price 10/23/2026 03:59 PM Eastern
Extended Trading
$648.25 +1.40 (+0.22%)
As of 10/23/2026 07:58 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

EMCOR Group, Inc. provides construction and facilities, building, and industrial services in the United States and the United Kingdom. It offers design, integration, installation, start-up, operation, and maintenance services related to power transmission, distribution, and generation systems; energy solutions; premises electrical and lighting systems; process instrumentation; low-voltage systems; voice and data communications systems; roadway and transit lighting, signaling, and fiber optic lines; computerized traffic control systems, and signal and communication equipment; heating, ventilation, air conditioning, refrigeration, and geothermal solutions; clean-room process ventilation systems; fire protection and suppression systems; plumbing, process, and high-purity piping systems; controls and filtration systems; water and wastewater treatment systems; central plant heating and cooling systems; crane and rigging services; millwright services; and steel fabrication, erection, and welding services. The company also provides building services that covers commercial and government site-based operations and maintenance; facility management, maintenance, and services; energy efficiency retrofit services; military base operations support services; services for indoor air quality; floor care and janitorial services; landscaping, lot sweeping, and snow removal services; vendor management and call center services; installation and support for building systems; program development, management, and maintenance for energy systems; technical consulting and diagnostic services; infrastructure and building projects; modification and retrofit projects; and other building services, including reception, security, and catering services. In addition, it offers refinery turnaround planning and engineering; welding; overhaul and maintenance; instrumentation and electrical; and renewable energy services. The company was incorporated in 1987 and is headquartered in Norwalk, Connecticut.

MasTec stock logo

MasTec NYSE:MTZ

$171.13 -0.42 (-0.24%)
Closing price 10/23/2026 03:59 PM Eastern
Extended Trading
$170.91 -0.22 (-0.13%)
As of 10/23/2026 07:58 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

MasTec, Inc., an infrastructure construction company, provides engineering, building, installation, maintenance, and upgrade services for communications, energy, utility, and other infrastructure primarily in the United States and Canada. It operates through five segments: Communications, Clean Energy and Infrastructure, Oil and Gas, Power Delivery, and Other. The company build infrastructure for wireless and wireline/fiber communications; clean energy infrastructure comprising renewable energy power generation; pipeline infrastructure, including natural gas, water, carbon capture sequestration, and other product transport; power delivery services, such as electrical and gas transmission, and distribution systems; industrial and heavy civil infrastructure, including roads, bridges, and rail; and water infrastructure. It also installs electrical and other gas distribution and transmission systems, power generation, power generation, civil and industrial facilities, pipelines, and fiber optic and other cables, as well as install-to-the-home services. In addition, the company offers maintenance and upgrade support services comprising maintenance of customers' distribution facilities, networks, and infrastructure, including communications, power generation, pipeline, electrical distribution and transmission, and civil and industrial and heavy civil infrastructure; service restoration for natural disasters and accidents; and routine replacements and upgrades to overhauls. Its customers include wireless and wireline/fiber service providers, broadband operators, install-to-the-home service providers, public and private energy providers, including renewable and other energy providers, pipeline operators, civil and industrial infrastructure providers, and government entities. MasTec, Inc. was founded in 1929 and is headquartered in Coral Gables, Florida.

Primoris Services stock logo

Primoris Services NYSE:PRIM

$64.89 -2.05 (-3.07%)
Closing price 10/23/2026 03:59 PM Eastern
Extended Trading
$63.94 -0.95 (-1.46%)
As of 10/23/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Primoris Services Corporation, a specialty contractor company, provides a range of construction, fabrication, maintenance, replacement, and engineering services in the United States and Canada. It operates through three segments: Utilities, Energy/Renewables, and Pipeline Services. The Utilities segment offers installation and maintenance services for new and existing natural gas distribution systems, electric utility distribution and transmission systems, and communications systems. The Energy/Renewables segment provides a range of services, including engineering, procurement, and construction, as well as retrofits, highway and bridge construction, demolition, site work, soil stabilization, mass excavation, flood control, upgrades, repairs, outages, and maintenance services to renewable energy and energy storage, renewable fuels, petroleum, refining, and petrochemical industries, as well as state departments of transportation. The Pipeline Services segment offers a range of services comprising pipeline construction, maintenance, facility, and integrity services; installation of compressor and pump stations; and metering facilities for entities in the petroleum and petrochemical industries, as well as gas, water, and sewer utilities. The company was founded in 1960 and is headquartered in Dallas, Texas.

Quanta Services stock logo

Quanta Services NYSE:PWR

$546.89 -5.55 (-1.01%)
Closing price 10/23/2026 03:59 PM Eastern
Extended Trading
$545.60 -1.28 (-0.23%)
As of 10/23/2026 07:57 PM Eastern
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Quanta Services, Inc. provides infrastructure solutions for the electric and gas utility, renewable energy, communications, and pipeline and energy industries in the United States, Canada, Australia, and internationally. The company's Electric Power Infrastructure Solutions segment engages in the design, procurement, construction, upgrade, repair, and maintenance of electric power transmission and distribution infrastructure and substation facilities; installation, maintenance, and upgrade of electric power infrastructure projects; installation of smart grid technologies on electric power networks; and design, installation, maintenance, and repair of commercial and industrial wirings. This segment also offers aviation services; emergency restoration services; and other engineering and technical services; design and construction solutions to wireline and wireless communications, cable multi-system operators, and other customers; and training for electric workers, as well as training for the gas distribution and communications industries. The company's Renewable Energy Infrastructure Solutions segment is involved in engineering, procurement, construction, repair, and maintenance of wind, solar, and hydropower generation facilities, as well as battery storage facilities; and provision of engineering and construction services for substations and switchyards, transmission, and other electrical infrastructures. The company's Underground Utility and Infrastructure Solutions segment offers design, engineering, procurement, construction, upgrade, repair, and maintenance services for natural gas systems for gas utility customers; fabrication services for pipeline support systems and structures and facilities; and engineering and construction services for pipeline and storage systems, and compressor and pump stations. The company was formerly known as Fabal Construction, Inc. and changed its name to Quanta Services, Inc. in November 1997. The company was incorporated in 1997 and is headquartered in Houston, Texas.

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