| Business | Phone |
| All Phase Electric Co 9015 W Chester Pike, Upper Darby 19082 | (610) 449-4902 |
| Apex Electrical Svc 7006 Ruskin Ln, Upper Darby 19082 | (610) 259-3350 |
| Barjas Enginerring 7125 Greenwood Ave, Upper Darby 19082 | (610) 623-5984 |
| E B Electric 5 S State Rd, Upper Darby 19082 | (610) 713-9940 |
| Flaherty Electric Upper Darby 19082 | (610) 352-5560 |
| Gulliford Electric Co 8311 Delaware Ave, Upper Darby 19082 | (610) 446-4472 |
| Martella Electric 137 S Carol Blvd, Upper Darby 19082 | (610) 449-2654 |
| Metro Electric Co 8498 W Chester Pike, Upper Darby 19082 | (610) 789-2560 |
| Parras Electric Svc 27 Wellington Rd, Upper Darby 19082 | (610) 352-1134 |
| Philadelphia Suburban Elec 6902 Ruskin Ln, Upper Darby 19082 | (610) 284-1232 |
| Regan & Co 46 S Keystone Ave, Upper Darby 19082 | (610) 352-3937 |