| Business | Phone |
| Al Nadeau Electric 102 Route 16b, Somersworth 3878 | (603) 332-4909 |
| Williams Electric 1 Glenview St, Somersworth 3878 | (603) 743-6811 |
| Williams Electric 9 Patricia St # A, Somersworth 3878 | (603) 692-6888 |
| John's Electrical Svc 27 Rouleau Dr, Somersworth 3878 | (603) 692-3863 |
| Powerhouse Electric 99 Green St, Somersworth 3878 | (603) 692-4000 |