| LMB | Limbach |
| GVA | Granite Construction |
| BBCP | Concrete Pumping |
| KBR | KBR |
| MTRX | Matrix Service Company |
| GLDD | Great Lakes Dredge & Dock |
| FIX | Comfort Systems USA |
| EME | EMCOR Group |
| STRL | Sterling Infrastructure |
| ROAD | Construction Partners |
| MYRG | MYR Group |
| PRIM | Primoris Services |