- PSNH office in Manchester (03101)
- PSNH office in Keene (03431)
- PSNH office in Bow (03304)
- Liberty Utilities office in Salem (03079)
- Liberty Utilities office in Londonderry (03053)
- Liberty Utilities office in Tilton (03276)
- Unitil office in Concord (03301)
- Unitil office in Kensington (03833)
- Unitil office in Portsmouth (03801)
- Unitil office in Hampton (03842)
- NHEC office in Plymouth, 579 Tenney Mountain Hwy (03264)
- NHEC office in Plymouth, 287 Highland St (03264)
