| TTEK | Tetra Tech |
| BLD | TopBuild |
| ACM | AECOM |
| J | Jacobs Engineering Group |
| FIX | Comfort Systems USA |
| FLR | Fluor |
| GVA | Granite Construction |
| DY | Dycom Industries |
| MTZ | MasTec |
| GLDD | Great Lakes Dredge & Dock |
| MYRG | MYR Group |
| TPC | Tutor Perini |
| EME | EMCOR Group |
| ROAD | Construction Partners |
| PRIM | Primoris Services |