| Johnson Matthey | Albert Gallatin High School |
| Johnson Matthey | Fayette CTI |
| Arconic | Clairton High School |
| Arconic | Butler High School |
| Arconic | Karns City High School |
| Arconic | Mars High School |
| Arconic | Woodland Hills High School |
|
Shell Corporation | Aliquippa High School |
|
Shell Corporation | Ambridge High School |
|
Shell Corporation | Beaver Falls High School |
| Corle Building Systems | Bedford High School |
|
Progeny Systems
| Belle Vernon High School |
| Martin-Baker America | Bishop McCort Catholic High School |
| Hormann High Performance Doors | Burgettstown High School |
| Auma Actuators | Canon-McMillan High School |
| Progeny Systems | Charleroi High School |
| Corle Building Systems | Chestnut Ridge High School |
| North American Höganäs | Conemaugh Township High School |
| ARLANXEO | Cornell High School |
| Martin-Baker America | Ferndale High School |
| Corle Building Systems | Greater Altoona CTC |
| Martin-Baker America | Greater Johnstown CTC |
| Elliot Group | Jeannette High School |
| JV Manufacturing Co., Inc. | Lenape Technical School |
|
Shell Corporation | New Brighton High School |
| Corle Building Systems | Northern Bedford High School |
|
Shell Corporation | Rochester High School |
| Highland Tank & Manufacturing Company | Shade-Central City High School |
| Riggs Industries Family Foundation |
Somerset County Technology Center
|
| Oil Service Inc. | Sto-Rox High School |
| Dynamet Incorporated | Washington High School |
| Progeny Systems | West Mifflin High School |
| Concurrent Technologies Corporation | Westmont Hilltop High School |
| Highland Tank & Manufacturing Company | Windber Area High School |
