Quanta Services, Inc.

Quanta Services, Inc.

PWRยทNYSE

$715.67

+1.4%
IndustrialsEngineering & Construction

Quanta Services, Inc. provides specialty contracting services worldwide. The 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; energized 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 Renewable Energy Infrastructure Solutions segment is the involved in engineering, procurement, construction, upgrade, repair, and maintenance services to renewable generation facilities, such as 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 Underground Utility and Infrastructure Solutions segment offers design, engineering, construction, upgrade repair, and maintenance services to customers involved in the transportation, distribution, storage and processing of natural gas, oil, and other products; fabrication of pipeline support systems and related structures and facilities; and engineering and construction of 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. Quanta Services, Inc. was incorporated in 1997 and is headquartered in Houston, Texas.

At a Glance

Live Snapshot
Market Cap$107.39B
EPS6.8700
P/E Ratio104.17
Earnings Date07/30/2026

SEC Filings

PWR - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
8-K

8-K 2026

N/A

May 27, 2026
May 21, 2026
2026
10-Q

10-Q 2026 Q1

Q1

April 30, 2026
March 31, 2026
2026
8-K

8-K 2026

N/A

April 30, 2026
April 30, 2026
2026
8-K

8-K 2026

N/A

April 16, 2026
April 10, 2026
2026
DEF 14A

DEF 14A 2026

N/A

April 10, 2026
May 21, 2026
2026
8-K

8-K 2026

N/A

March 04, 2026
February 26, 2026
2026
8-K

8-K 2026

N/A

February 19, 2026
February 19, 2026
2026
10-K

10-K 2025 FY

FY

February 19, 2026
December 31, 2025
2025
8-K

8-K 2025

N/A

October 30, 2025
October 30, 2025
2025
10-Q

10-Q 2025 Q3

Q3

October 30, 2025
September 30, 2025
2025
Showing 1 to 10 of 464 filings

Understanding SEC Filings

Essential regulatory documents for investors

SEC filings are mandatory documents that publicly traded companies must submit to the Securities and Exchange Commission. These reports provide critical insights into a company's financial health, operations, risks, and strategic direction. For investors conducting due diligence, these filings are the most authoritative source of company information.

10-K

Annual Report

Comprehensive annual financial report filed within 60-90 days of fiscal year-end. Includes audited financial statements, management discussion & analysis (MD&A), risk factors, and detailed business operations. The most thorough financial disclosure of the year.

Filed annually
10-Q

Quarterly Report

Unaudited quarterly financial report filed within 40-45 days after each of the first three fiscal quarters. Provides updates on financial position, results of operations, and significant events. Essential for tracking quarterly performance trends.

Filed 3 times per year
8-K

Current Report

Event-driven filing for material events that shareholders should know about, filed within 4 business days. Includes acquisitions, executive changes, bankruptcy, earnings releases, and other significant developments. Critical for staying informed about breaking news.

Filed as events occur
DEF 14A

Proxy Statement

Definitive proxy statement sent to shareholders before annual meetings. Contains executive compensation details, board member information, voting matters, and corporate governance policies. Key for understanding management incentives and board composition.

Filed before shareholder meetings
S-1

Registration Statement

Initial registration for securities offerings, including IPOs. Provides detailed company history, business model, financial statements, risk factors, and use of proceeds. Essential for evaluating new investment opportunities and understanding company fundamentals.

Filed for new offerings
20-F

Foreign Annual Report

Annual report for foreign private issuers, equivalent to Form 10-K for non-U.S. companies. Filed within 4-6 months of fiscal year-end. Contains audited financials, business description, and regulatory disclosures adapted for international companies.

Foreign companies only

Why SEC Filings Matter

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  • Risk Assessment: Detailed risk factor disclosures help investors understand potential threats to business operations
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  • Historical Context: Years of filings provide trend analysis and context for current performance