New Hampshire Pipeline Operators
| Note: Additional pipeline operators may exist in your area. Visit the National Pipeline Mapping System (NPMS) to find companies in your area not listed below. |  | |
 | Maritimes & Northeast Pipeline (Operated by Enbridge) 24 Hour Emergency Contact: 1-800-231-7794 Operator Profile | |
 | TC Energy - Portland Natural Gas Transmission System 24 Hour Emergency Contact: 1-800-830-9865 Operator Profile | |