United States

Top 1000 largest US Companies by Market Cap

This is the list of the largest public listed companies from the United States by market capitalization with links to their reference stock, sector and industry.

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Top Companies from the United States as of Jul. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
421 Steel Dynamics, Inc. $19.90 B United States US Basic Materials US Steel
422 First Solar, Inc. $19.84 B United States US Technology US Solar
423 Quest Diagnostics Incorporated $19.71 B United States US Healthcare US Diagnostics & Research
424 Builders FirstSource, Inc. $19.65 B

(Jan. 1, 2024)

 United States US Industrials US Building Products & Equipment
425 Essex Property Trust, Inc. $19.57 B United States US Real Estate US REIT—Residential
426 International Flavors & Fragrances Inc. $19.52 B United States US Basic Materials US Specialty Chemicals
427 Biogen Inc. $19.52 B United States US Healthcare US Drug Manufacturers—General
428 Duke Realty Corporation $19.44 B

(Sept. 1, 2022)

 United States US Real Estate US REIT—Industrial
429 Hertz Global Holdings, Inc. $19.38 B

(Oct. 31, 2021)

 United States US Industrials US Rental & Leasing Services
430 Southwest Airlines Co. $19.37 B United States US Industrials US Airlines
431 Weyerhaeuser Company $19.36 B United States US Real Estate US REIT—Specialty
432 Coterra Energy Inc. $19.24 B

(July 1, 2023)

 United States US Energy US Oil & Gas E&P
433 Guidewire Software, Inc. $19.17 B United States US Technology US Software—Application
434 Loews Corporation $19.15 B United States US Financials US Insurance—Property & Casualty
435 Contura Energy, Inc. $19.10 B United States US Energy US Thermal Coal
436 Comfort Systems USA, Inc. $19.08 B United States US Industrials US Engineering & Construction
437 Casey's General Stores, Inc. $19.00 B United States US Consumer Staples US Grocery Stores
438 Insmed Incorporated $18.66 B United States US Healthcare US Biotechnology
439 Pure Storage, Inc. $18.61 B United States US Technology US Computer Hardware
440 Trimble Inc. $18.58 B United States US Technology US Scientific & Technical Instruments
441 NiSource Inc. $18.55 B United States US Utilities US Utilities—Regulated Gas
442 Halliburton Company $18.50 B United States US Energy US Oil & Gas Equipment & Services
443 Zimmer Biomet Holdings, Inc. $18.50 B United States US Healthcare US Medical Devices
444 Genesis Healthcare Inc. $18.49 B United States US Healthcare US Medical Care Facilities
445 Watsco, Inc. $18.42 B United States US Industrials US Industrial Distribution
446 Packaging Corporation of America $18.17 B United States US Consumer Discretionary US Packaging & Containers
447 Principal Financial Group, Inc. $18.16 B United States US Financials US Insurance—Diversified
448 US Foods Holding Corp. $18.14 B United States US Consumer Staples US Food Distribution
449 Fortive Corporation $18.13 B United States US Technology US Scientific & Technical Instruments
450 American Campus Communities, Inc. $18.13 B

(Aug. 1, 2022)

 United States US Real Estate US REIT—Residential

Top Companies from the United States as of Jul. 01, 2025

421. Steel Dynamics, Inc.

Company Profile: Steel Dynamics, Inc.
Market Cap (USD): $19.90 B
Country: United States
Sector: US Basic Materials
Industry: US Steel

422. First Solar, Inc.

Company Profile: First Solar, Inc.
Market Cap (USD): $19.84 B
Country: United States
Sector: US Technology
Industry: US Solar

423. Quest Diagnostics Incorporated

Company Profile: Quest Diagnostics Incorporated
Market Cap (USD): $19.71 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

424. Builders FirstSource, Inc.

Company Profile: Builders FirstSource, Inc.
Market Cap (USD): $19.65 B (Jan. 1, 2024)
Country: United States
Sector: US Industrials
Industry: US Building Products & Equipment

425. Essex Property Trust, Inc.

Company Profile: Essex Property Trust, Inc.
Market Cap (USD): $19.57 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Residential

426. International Flavors & Fragrances Inc.

Company Profile: International Flavors & Fragrances Inc.
Market Cap (USD): $19.52 B
Country: United States
Sector: US Basic Materials
Industry: US Specialty Chemicals

427. Biogen Inc.

Company Profile: Biogen Inc.
Market Cap (USD): $19.52 B
Country: United States
Sector: US Healthcare
Industry: US Drug Manufacturers—General

428. Duke Realty Corporation

Company Profile: Duke Realty Corporation
Market Cap (USD): $19.44 B (Sept. 1, 2022)
Country: United States
Sector: US Real Estate
Industry: US REIT—Industrial

429. Hertz Global Holdings, Inc.

Company Profile: Hertz Global Holdings, Inc.
Market Cap (USD): $19.38 B (Oct. 31, 2021)
Country: United States
Sector: US Industrials
Industry: US Rental & Leasing Services

430. Southwest Airlines Co.

Company Profile: Southwest Airlines Co.
Market Cap (USD): $19.37 B
Country: United States
Sector: US Industrials
Industry: US Airlines

431. Weyerhaeuser Company

Company Profile: Weyerhaeuser Company
Market Cap (USD): $19.36 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Specialty

432. Coterra Energy Inc.

Company Profile: Coterra Energy Inc.
Market Cap (USD): $19.24 B (July 1, 2023)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

433. Guidewire Software, Inc.

Company Profile: Guidewire Software, Inc.
Market Cap (USD): $19.17 B
Country: United States
Sector: US Technology
Industry: US Software—Application

434. Loews Corporation

Company Profile: Loews Corporation
Market Cap (USD): $19.15 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

435. Contura Energy, Inc.

Company Profile: Contura Energy, Inc.
Market Cap (USD): $19.10 B
Country: United States
Sector: US Energy
Industry: US Thermal Coal

436. Comfort Systems USA, Inc.

Company Profile: Comfort Systems USA, Inc.
Market Cap (USD): $19.08 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

437. Casey's General Stores, Inc.

Company Profile: Casey's General Stores, Inc.
Market Cap (USD): $19.00 B
Country: United States
Sector: US Consumer Staples
Industry: US Grocery Stores

438. Insmed Incorporated

Company Profile: Insmed Incorporated
Market Cap (USD): $18.66 B
Country: United States
Sector: US Healthcare
Industry: US Biotechnology

439. Pure Storage, Inc.

Company Profile: Pure Storage, Inc.
Market Cap (USD): $18.61 B
Country: United States
Sector: US Technology
Industry: US Computer Hardware

440. Trimble Inc.

Company Profile: Trimble Inc.
Market Cap (USD): $18.58 B
Country: United States
Sector: US Technology
Industry: US Scientific & Technical Instruments

441. NiSource Inc.

Company Profile: NiSource Inc.
Market Cap (USD): $18.55 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

442. Halliburton Company

Company Profile: Halliburton Company
Market Cap (USD): $18.50 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

443. Zimmer Biomet Holdings, Inc.

Company Profile: Zimmer Biomet Holdings, Inc.
Market Cap (USD): $18.50 B
Country: United States
Sector: US Healthcare
Industry: US Medical Devices

444. Genesis Healthcare Inc.

Company Profile: Genesis Healthcare Inc.
Market Cap (USD): $18.49 B
Country: United States
Sector: US Healthcare
Industry: US Medical Care Facilities

445. Watsco, Inc.

Company Profile: Watsco, Inc.
Market Cap (USD): $18.42 B
Country: United States
Sector: US Industrials
Industry: US Industrial Distribution

446. Packaging Corporation of America

Company Profile: Packaging Corporation of America
Market Cap (USD): $18.17 B
Country: United States
Sector: US Consumer Discretionary
Industry: US Packaging & Containers

447. Principal Financial Group, Inc.

Company Profile: Principal Financial Group, Inc.
Market Cap (USD): $18.16 B
Country: United States
Sector: US Financials
Industry: US Insurance—Diversified

448. US Foods Holding Corp.

Company Profile: US Foods Holding Corp.
Market Cap (USD): $18.14 B
Country: United States
Sector: US Consumer Staples
Industry: US Food Distribution

449. Fortive Corporation

Company Profile: Fortive Corporation
Market Cap (USD): $18.13 B
Country: United States
Sector: US Technology
Industry: US Scientific & Technical Instruments

450. American Campus Communities, Inc.

Company Profile: American Campus Communities, Inc.
Market Cap (USD): $18.13 B (Aug. 1, 2022)
Country: United States
Sector: US Real Estate
Industry: US REIT—Residential

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