| Business | Phone |
| Focus Sales & Marketing 400 Stenton Ave # 107, Plymouth Meeting 19462 | (610) 825-8220 |
| Source Lighting Inc 1000 Germantown Pike # J1, Plymouth Meeting 19462 | (610) 275-5880 |
| Specialty Component Sales 1000 Germantown Pike, Plymouth Meeting 19462 | (610) 275-3100 |
| Mutimer Co 3138 Butler Pike, Plymouth Meeting 19462 | (610) 825-6322 |