| Business | Phone |
| Mr Electric 6400 Walker Rd, Oldcastle N0R 1L0 | (519) 737-1899 |
| Pahomey-Schram Electrical 5130 Ure St, Oldcastle N0R 1L0 | (519) 737-1477 |
| Tesla Electric 1840 N Talbot Rd #2, Oldcastle N0R 1L0 | (519) 944-2343 |
| Bondy Electric Ltd 1720 Rossi Dr, Oldcastle N0R 1L0 | (519) 737-1874 |