# HRSGs

Part ID: 8.01a · Layer 8 (Power generation & energy supply) · child of 8.01

Heat-recovery steam generators that capture gas-turbine exhaust heat to raise steam for a combined-cycle plant, lifting overall plant efficiency.

## Companies

| Company | Role | Confidence | Ownership | Ticker | Note |
|---|---|---|---|---|---|
| Vogt | manufacturer | inferred | subsidiary |  |  |
| Cleaver-Brooks | manufacturer | inferred | private |  |  |
| Nooter/Eriksen | manufacturer | inferred | private |  |  |

Confidence tags: disclosed = company/filing statement; reported = trade press or partner list; inferred = taxonomy lead.