| Business | Phone |
| H B Electric Ltd 5925 Cassino Rd, Duncan V9L 4G5 | (250) 748-9245 |
| Indora Industries Ltd 2288 Cowichan Bay Rd Rr 6, Duncan V9L 4T8 | (250) 748-3822 |
| Mc Kinney Electric 3054 Mountain View Cres, Duncan V9L 6R4 | (250) 748-2495 |
| Bescor Electric Ltd 2955 Jacobs Rd, Duncan V9L 4T8 | (250) 746-5830 |
| Sharp Pencil Electric 5896 Sycamore St, Duncan V9L 3E4 | (250) 748-6968 |
| Shur-Power Electric Ltd 171 Mckinstry Rd, Duncan V9L 3K9 | (250) 748-2424 |
| Brownsey Electric 5871 Howard Ave, Duncan V9L 3N5 | (250) 246-4778 |
| Double L Electric Ltd 6571 Lakes Rd, Duncan V9L 5V9 | (250) 748-0381 |
| Eastholm Electric & Heating 5280 Polkey Rd #4, Duncan V9L 6W3 | (250) 746-4429 |