| GEM Mechanical Services, Inc. | | Aston | PA | Owner | Key Contacts | Active Projects |  .com |
| Summit Utility Structures LLC | | Allentown | PA | Owner | Key Contacts | Active Projects |  .com/ |
| Hull's Electrical Service, Inc. | | Gettysburg | PA | Owner | Key Contacts | Active Projects |  .com/ |
| Top Ridge Inc | | Patton | PA | Owner | Key Contacts | Active Projects | .com |
| AJC Professional Services LLC | | Murrysville | PA | Owner | Key Contacts | Active Projects | .com/ |
| LaSalle College High School | | Wyndmoor | PA | Owner | Key Contacts | Active Projects |  .org |
| Philips Brothers Electrical Contractors, Inc. | | Glenmoore | PA | Owner | Key Contacts | Active Projects | .com/ |
| Azcar | | Canonsburg | PA | Owner | Key Contacts | Active Projects | |
| McClure Company | | State College | PA | Owner | Key Contacts | Active Projects | .com/ |
| B & H Industries, Inc. | | Souderton | PA | Owner | Key Contacts | Active Projects | .com/ |
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