| Employer | City | |
| Advanced Heating & Cooling LLC. | Reisterstown | View Profile |
| Comverge, Inc. | Various Locations | View Profile |
| Crockett Facilities Services, Inc. | Bowie | View Profile |
| Direct Energy - US Home Services | Various Locations | View Profile |
| Hussmann | Various Locations | View Profile |
| MEP Jobs - Customer Fulfillment | Various Locations | View Profile |
| Moon Services Inc. | Elkton | View Profile |
| Shapiro & Duncan, Inc. | Rockville | View Profile |
| Stulz Air Technology Systems, Inc. | Frederick | View Profile |
| The Linc Group | Various Locations | View Profile |