Largest engineering & construction companies
Every US-listed engineering & construction company we cover, 20 of them, ranked by market capitalisation, with revenue and earnings taken from their SEC filings.
Combined market cap
$231.772 B
0.2% of all US-listed value
Companies
20
Ranked #63 of 152 industries
Average
$11.589 B
Mean market cap per company
| # | Name | Market cap | Close | Session | Country |
|---|---|---|---|---|---|
| 1 | Quanta ServicesPWR | $103.3B | $701.07 | -2.57% | United States |
| 2 | Comfort Systems UsaFIX | $61.3B | $1,741.36 | -4.21% | United States |
| 3 | EMCOR GroupEME | $34.6B | $784.66 | -4.83% | United States |
| 4 | IESIESC | $12.3B | $308.83 | -9.66% | United States |
| 5 | LegenceLGN | $5.77B | $53.35 | -5.31% | United States |
| 6 | ArganAGX | $5.67B | $404.39 | -3.63% | United States |
| 7 | Brookfield BusinessBBUC | $5.42B | $26.05 | -0.57% | United States |
| 8 | AmerescoAMRC | $1.16B | $21.93 | -3.31% | United States |
| 9 | LimbachLMB | $607.8M | $50.97 | -0.74% | United States |
| 10 | Concrete PumpingBBCP | $486.3M | $9.65 | -2.92% | United States |
| 11 | Phoenix AsiaPHOE | $389.9M | $18.05 | -6.28% | Hong Kong |
| 12 | Matrix ServiceMTRX | $296.5M | $10.48 | -2.51% | United States |
| 13 | PMA Graphene Technology GroupPMA | $205.3M | $1.26 | +2.44% | Hong Kong |
| 14 | Energys GroupENGS | $171.2M | $3.16 | +1.28% | United Kingdom |
| 15 | Skyline Builders GroupKAZR | $41.1M | $2.29 | -0.43% | Hong Kong |
| 16 | SolarMax TechnologySMXT | $20.8M | $4.39 | +28.36% | United States |
| 17 | SUNation EnergySUNE | $15.2M | $2.34 | +0.00% | United States |
| 18 | MasongloryMSGY | $12.0M | $4.30 | -14.17% | Hong Kong |
| 19 | WF InternationalWXM | $11.1M | $3.55 | +0.14% | China |
| 20 | Founder GroupFGL | $3.74M | $4.50 | +4.89% | Malaysia |
All 20 companies. One row per company, with secondary share classes folded into their primary listing. Updated 9 Oct 2026.
Sectors engineering & construction companies sit in
This industry spans more than one sector: Nasdaq classifies each company individually.
Other industries
Semiconductors 100Computer Software: Programming Data Processing 77Computer Software: Prepackaged Software 234Computer Manufacturing 10Biotechnology: Pharmaceutical Preparations 500Major Banks 245Industrial Machinery/Components 212Catalog/Specialty Distribution 30Business Services 92Commercial Banks 35Auto Manufacturing 29Integrated oil Companies 16Oil & Gas Production 116Investment Bankers/Brokers/Service 68Real Estate Investment Trusts 175Department/Specialty Retail Stores 13Telecommunications Equipment 84Electronic Components 21Beverages (Production/Distribution) 36Electric Utilities: Central 61Finance: Consumer Services 165Consumer Electronics/Appliances 23Biotechnology: Biological Products (No Diagnostic Substances) 160Medical Specialities 44All industries β
Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered: see methodology.