United States

Top 40 largest US Companies in the Engineering & Construction industry by Market Cap

This is the list of the largest public listed companies in the Engineering & Construction industry from the United States by market capitalization with links to their reference stock.

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

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Rank Company Market Cap (USD) Country Sector Industry
1 Quanta Services, Inc. $55.34 B United States US Industrials US Engineering & Construction
2 EMCOR Group, Inc. $24.25 B United States US Industrials US Engineering & Construction
3 Comfort Systems USA, Inc. $19.08 B United States US Industrials US Engineering & Construction
4 Jacobs Engineering Group Inc. $15.93 B United States US Industrials US Engineering & Construction
5 AECOM $15.14 B United States US Industrials US Engineering & Construction
6 APi Group Corporation $13.94 B United States US Industrials US Engineering & Construction
7 MasTec, Inc. $13.36 B United States US Industrials US Engineering & Construction
8 TopBuild Corp. $9.87 B United States US Industrials US Engineering & Construction
9 Tetra Tech, Inc. $9.64 B United States US Industrials US Engineering & Construction
10 Fluor Corporation $8.48 B United States US Industrials US Engineering & Construction
11 Dycom Industries, Inc. $7.24 B United States US Industrials US Engineering & Construction
12 Sterling Construction Company, Inc. $7.20 B United States US Industrials US Engineering & Construction
13 KBR, Inc. $6.18 B United States US Industrials US Engineering & Construction
14 IES Holdings, Inc. $6.08 B United States US Industrials US Engineering & Construction
15 Construction Partners, Inc. $6.07 B United States US Industrials US Engineering & Construction
16 Primoris Services Corporation $4.57 B United States US Industrials US Engineering & Construction
17 Granite Construction Incorporated $4.11 B United States US Industrials US Engineering & Construction
18 Argan, Inc. $2.88 B United States US Industrials US Engineering & Construction
19 MYR Group Inc. $2.85 B United States US Industrials US Engineering & Construction
20 Tutor Perini Corporation $2.54 B United States US Industrials US Engineering & Construction
21 Limbach Holdings, Inc. $1.73 B United States US Industrials US Engineering & Construction
22 NV5 Global, Inc. $1.55 B United States US Industrials US Engineering & Construction
23 Aegion Corporation $1.30 B United States US Industrials US Engineering & Construction
24 Willdan Group, Inc. $1.05 B United States US Industrials US Engineering & Construction
25 Ameresco, Inc. $884.3 M United States US Industrials US Engineering & Construction
26 Great Lakes Dredge & Dock Corporation $819.2 M United States US Industrials US Engineering & Construction
27 Infrastructure and Energy Alternatives, Inc. $667.0 M

(Oct. 1, 2022)

 United States US Industrials US Engineering & Construction
28 Atlas Technical Consultants, Inc. $471.0 M

(June 1, 2024)

 United States US Industrials US Engineering & Construction
29 Matrix Service Company $383.0 M United States US Industrials US Engineering & Construction
30 Orion Group Holdings, Inc. $379.7 M United States US Industrials US Engineering & Construction

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

1. Quanta Services, Inc.

Company Profile: Quanta Services, Inc.
Market Cap (USD): $55.34 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

2. EMCOR Group, Inc.

Company Profile: EMCOR Group, Inc.
Market Cap (USD): $24.25 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

3. 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

4. Jacobs Engineering Group Inc.

Company Profile: Jacobs Engineering Group Inc.
Market Cap (USD): $15.93 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

5. AECOM

Company Profile: AECOM
Market Cap (USD): $15.14 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

6. APi Group Corporation

Company Profile: APi Group Corporation
Market Cap (USD): $13.94 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

7. MasTec, Inc.

Company Profile: MasTec, Inc.
Market Cap (USD): $13.36 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

8. TopBuild Corp.

Company Profile: TopBuild Corp.
Market Cap (USD): $9.87 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

9. Tetra Tech, Inc.

Company Profile: Tetra Tech, Inc.
Market Cap (USD): $9.64 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

10. Fluor Corporation

Company Profile: Fluor Corporation
Market Cap (USD): $8.48 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

11. Dycom Industries, Inc.

Company Profile: Dycom Industries, Inc.
Market Cap (USD): $7.24 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

12. Sterling Construction Company, Inc.

Company Profile: Sterling Construction Company, Inc.
Market Cap (USD): $7.20 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

13. KBR, Inc.

Company Profile: KBR, Inc.
Market Cap (USD): $6.18 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

14. IES Holdings, Inc.

Company Profile: IES Holdings, Inc.
Market Cap (USD): $6.08 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

15. Construction Partners, Inc.

Company Profile: Construction Partners, Inc.
Market Cap (USD): $6.07 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

16. Primoris Services Corporation

Company Profile: Primoris Services Corporation
Market Cap (USD): $4.57 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

17. Granite Construction Incorporated

Company Profile: Granite Construction Incorporated
Market Cap (USD): $4.11 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

18. Argan, Inc.

Company Profile: Argan, Inc.
Market Cap (USD): $2.88 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

19. MYR Group Inc.

Company Profile: MYR Group Inc.
Market Cap (USD): $2.85 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

20. Tutor Perini Corporation

Company Profile: Tutor Perini Corporation
Market Cap (USD): $2.54 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

21. Limbach Holdings, Inc.

Company Profile: Limbach Holdings, Inc.
Market Cap (USD): $1.73 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

22. NV5 Global, Inc.

Company Profile: NV5 Global, Inc.
Market Cap (USD): $1.55 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

23. Aegion Corporation

Company Profile: Aegion Corporation
Market Cap (USD): $1.30 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

24. Willdan Group, Inc.

Company Profile: Willdan Group, Inc.
Market Cap (USD): $1.05 B
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

25. Ameresco, Inc.

Company Profile: Ameresco, Inc.
Market Cap (USD): $884.3 M
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

26. Great Lakes Dredge & Dock Corporation

Company Profile: Great Lakes Dredge & Dock Corporation
Market Cap (USD): $819.2 M
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

27. Infrastructure and Energy Alternatives, Inc.

Company Profile: Infrastructure and Energy Alternatives, Inc.
Market Cap (USD): $667.0 M (Oct. 1, 2022)
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

28. Atlas Technical Consultants, Inc.

Company Profile: Atlas Technical Consultants, Inc.
Market Cap (USD): $471.0 M (June 1, 2024)
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

29. Matrix Service Company

Company Profile: Matrix Service Company
Market Cap (USD): $383.0 M
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

30. Orion Group Holdings, Inc.

Company Profile: Orion Group Holdings, Inc.
Market Cap (USD): $379.7 M
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

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