In Q2 fiscal 2026 (the quarter ended June 30, 2026), Emcor's largest business segment was United States Mechanical Construction and Facilities Services, with $2.31 billion or 45% of revenue. Next: United States Electrical Construction and Facilities Services (32%), United States Building Services (16%) and United States Industrial Services (7%).
By product or service, NetworkandCommunicationsMarketSector brought in 34%, MechanicalServices brought in 13% and CommercialMarketSector brought in 8% of revenue in Q2 fiscal 2026.
From company filings, in USD; latest quarter ended June 30, 2026; quarterly data from Q4 fiscal 2018.

Fiscal quarters, from company filings
| Business segment | Q2 FY26 | Share |
|---|---|---|
| United States Mechanical Construction and Facilities Services | $2.3B | 45% |
| United States Electrical Construction and Facilities Services | $1.7B | 32% |
| United States Building Services | $837.7M | 16% |
| United States Industrial Services | $353.8M | 7% |
In USD, fiscal quarters as reported; share = part of Q2 FY26 revenue.
| Product or service | Q2 FY26 | Share |
|---|---|---|
| NetworkandCommunicationsMarketSector | $1.8B | 34% |
| MechanicalServices | $649.7M | 13% |
| CommercialMarketSector | $389.0M | 8% |
| ManufacturingandIndustrialMarketSector | $382.9M | 7% |
| FieldServices | $320.1M | 6% |
| InstitutionalMarketSector | $305.2M | 6% |
| HealthcareMarketSector | $284.3M | 6% |
| HighTechManufacturingMarketSector | $258.8M | 5% |
| ServiceWork | $217.3M | 4% |
| CommercialSiteBasedServices | $147.9M | 3% |
In USD, fiscal quarters as reported; share = part of Q2 FY26 revenue.
United States Mechanical Construction and Facilities Services, United States Electrical Construction and Facilities Services, United States Building Services and United States Industrial Services (as reported for Q2 fiscal 2026).
United States Mechanical Construction and Facilities Services: $2.31 billion, or 45% of revenue, in Q2 fiscal 2026.
By revenue in Q2 fiscal 2026: NetworkandCommunicationsMarketSector (34%), MechanicalServices (13%), CommercialMarketSector (8%) and ManufacturingandIndustrialMarketSector (7%).