| Business | Phone |
| G W Electric Co 1524 Buchanan Trl E, Greencastle 17225 | (717) 597-7137 |
| Jack B Layton Sons 302 Zarger Rd, Greencastle 17225 | (717) 597-4367 |
| Ken Haines Electric 227 Tyrone St, Greencastle 17225 | (717) 597-9762 |
| Perkins & Cave Electric 112 E Baltimore St, Greencastle 17225 | (717) 597-5136 |