# Transmission EPC

Part ID: 8.09f · Layer 8 (Power generation & energy supply) · child of 8.09

Engineering, procurement, and construction firms that build new transmission lines and substations.

## Companies

| Company | Role | Confidence | Ownership | Ticker | Note |
|---|---|---|---|---|---|
| Dycom | contractor | inferred | public | DY |  |
| MasTec | contractor | inferred | public | MTZ |  |
| MYR | contractor | inferred | public | MYRG |  |
| Primoris | contractor | inferred | public | PRIM |  |
| Quanta Services | contractor | inferred | public | PWR |  |
| Black & Veatch | contractor | inferred | private |  |  |
| Burns & McDonnell | contractor | inferred | private |  |  |
| Kiewit | contractor | inferred | private |  |  |
| Power | contractor | inferred | private |  | Engineers |
| Sargent & Lundy | contractor | inferred | private |  |  |

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