| Altone Electric, LLC |
| ARCON Electric, LLC |
| Brunswick Electric, Inc. |
| Burke Electric, LLC |
| Burt Crane and Rigging |
| Carey Electric, Inc. |
| Caruso Electrical Contracting, LLC |
| CDE Electric, Inc. |
| Comalli Group, Inc. |
| East Empire Electric, Inc. |
| Falcon Data Networks, LLC |
| Gross Electric, Inc. |
| Harold R. Clune, Inc. |
| Kasselman Electric Co., Inc. |
| Krueger Electrical Contracting, LLC |
| Mackey Electric, Inc. |
| Mann Wireless |
| Matco Electric |
| O'Connell Electric Company, Inc. |
| Sanders Industrial Equipment Co., Inc., dba Sanders Fire & Safety |
| Shepherd Communications and Security |
| Smith Controls Systems, Inc. |
| Spring Electric, Inc. |
| Stilsing Electric, Inc. |
| Swan Contracting, LLC |
| T&J Companies |
| Tiano Electric, Inc. |
| Total Facility Solutions |
