| LMB | Limbach |
| NVRI | Enviri |
| PRSU | Pursuit Attractions and Hospitality |
| ULCC | Frontier Group |
| RR | Richtech Robotics Inc. Class B |
| PLPC | Preformed Line Products |
| MEG | Montrose Environmental Group |
| ASTE | Astec Industries |
| BBSI | Barrett Business Services |
| GSL | Global Ship Lease |