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
$216.417 B
0.2% of all US-listed value
Companies
20
Ranked #63 of 152 industries
Average
$10.821 B
Mean market cap per company
| # | Name | Market cap | Close | Session | Country |
|---|---|---|---|---|---|
| 1 | Quanta ServicesPWR | $93.5B | $634.90 | -1.20% | United States |
| 2 | Comfort Systems UsaFIX | $57.2B | $1,625.90 | +0.05% | United States |
| 3 | EMCOR GroupEME | $33.2B | $751.80 | -0.62% | United States |
| 4 | IESIESC | $12.7B | $319.73 | -0.42% | United States |
| 5 | LegenceLGN | $5.72B | $52.92 | -2.45% | United States |
| 6 | Brookfield BusinessBBUC | $5.31B | $25.53 | -2.63% | United States |
| 7 | ArganAGX | $5.25B | $374.40 | +0.85% | United States |
| 8 | AmerescoAMRC | $1.21B | $22.73 | -6.15% | United States |
| 9 | LimbachLMB | $609.6M | $51.12 | -1.84% | United States |
| 10 | Concrete PumpingBBCP | $488.1M | $9.69 | -3.34% | United States |
| 11 | Phoenix AsiaPHOE | $427.9M | $19.81 | +0.30% | Hong Kong |
| 12 | Matrix ServiceMTRX | $276.7M | $9.78 | -2.00% | United States |
| 13 | PMA Graphene Technology GroupPMA | $211.9M | $1.30 | -1.51% | Hong Kong |
| 14 | Energys GroupENGS | $154.9M | $2.86 | +0.35% | United Kingdom |
| 15 | Skyline Builders GroupKAZR | $48.6M | $2.71 | +2.26% | Hong Kong |
| 16 | SUNation EnergySUNE | $16.7M | $2.57 | +4.05% | United States |
| 17 | WF InternationalWXM | $12.5M | $4.00 | -2.91% | China |
| 18 | SolarMax TechnologySMXT | $11.6M | $2.44 | +6.55% | United States |
| 19 | MasongloryMSGY | $4.30M | $2.03 | +0.49% | Hong Kong |
| 20 | Founder GroupFGL | $3.68M | $4.43 | -4.53% | Malaysia |
All 20 companies. One row per company, with secondary share classes folded into their primary listing. Updated 24 Sept 2026.
Sectors engineering & construction companies sit in
This industry spans more than one sector: Nasdaq classifies each company individually.
Other industries
Semiconductors 101Computer Software: Programming Data Processing 77Computer Software: Prepackaged Software 234Computer Manufacturing 10Biotechnology: Pharmaceutical Preparations 500Major Banks 246Industrial Machinery/Components 211Catalog/Specialty Distribution 31Business Services 93Commercial Banks 35Auto Manufacturing 29Integrated oil Companies 18Investment Bankers/Brokers/Service 68Oil & Gas Production 116Real Estate Investment Trusts 177Department/Specialty Retail Stores 14Telecommunications Equipment 82Electronic Components 21Beverages (Production/Distribution) 36Finance: Consumer Services 162Electric Utilities: Central 60Consumer Electronics/Appliances 23Biotechnology: Biological Products (No Diagnostic Substances) 160Natural Gas Distribution 29All industries β
Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered: see methodology.