totalmarketcap

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

$234.736 B

0.2% of all US-listed value

Companies

20

Ranked #64 of 152 industries

Largest

Quanta Services

PWR · market cap

Average

$11.737 B

Mean market cap per company

#NameMarket capCloseSessionCountry
1Quanta ServicesPWR$99.0B$671.86+0.60% United States
2Comfort Systems UsaFIX$59.6B$1,694.55-1.11% United States
3EMCOR GroupEME$36.0B$816.90+1.05% United States
4IESIESC$15.2B$762.71-0.74% United States
5ArganAGX$8.37B$597.33+1.09% United States
6LegenceLGN$6.95B$64.34+1.21% United States
7Brookfield BusinessBBUC$6.11B$29.38-0.98% United States
8AmerescoAMRC$1.36B$25.65+0.39% United States
9LimbachLMB$580.7M$48.70+1.61% United States
10Concrete PumpingBBCP$491.3M$9.75+0.72% United States
11Phoenix AsiaPHOE$418.0M$19.35+1.31% Hong Kong
12Matrix ServiceMTRX$335.1M$11.91+1.53% United States
13Energys GroupENGS$147.6M$2.73-1.27% United Kingdom
14Skyline Builders GroupKAZR$57.0M$2.30+7.98% Hong Kong
15SolarMax TechnologySMXT$21.6M$0.38-1.38% United States
16Ming Shing GroupPMA$16.9M$1.30-2.26% Hong Kong
17SUNation EnergySUNE$10.8M$2.62+6.07% United States
18WF InternationalWXM$4.67M$4.14-6.12% China
19MasongloryMSGY$3.78M$0.27-3.71% Hong Kong
20Founder GroupFGL$973.1K$0.85-2.93% Malaysia

All 20 companies. One row per company — secondary share classes are folded into their primary listing. Updated 9 Aug 2026.

Sectors engineering & construction companies sit in

This industry spans more than one sector — Nasdaq classifies each company individually.

Other industries

Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered — see methodology.