1. Northeast Optic Network Inc
119 International Dr, Portsmouth, NH 03801
Coordinate: 43.07434,-70.8013
Phone: (603) 436-6637
2. Concert Technologies
80 Daniel St, Portsmouth, NH 03801
Coordinate: 43.0775,-70.75609
Phone: (603) 430-6092
3. Allied Data Communications
3 Little Harbor Rd, Portsmouth, NH 03801
Coordinate: 43.06049,-70.7526
Phone: (603) 430-0944