Below is a sampling of the wide range of customers that employ our services. (See what our customers say about Grattan Line Construction.)
Distribution
- Belmont Municipal
- Central Hudson Gas & Electric
- Central Maine Power
- Central Vermont Public Service
- Con Edison
- Connecticut Light & Power
- First Energy
- Green Mountain Power
- Liberty Energy
- Mass Electric Construction
- National Grid
- Northline Utilities
- NSTAR
- NYSEG
- Public Service of NH
- Thirau, LLC
- Town of Peabody Municipal
- Town of Reading Municipal
- United Illuminating
- Unitil
- Western Mass Electric Company

Storm Restoration
- Baltimore Gas & Electric
- Central Maine Power
- Central Vermont Public Service
- Con Edison
- Connecticut Light & Power
- Entergy
- First Energy
- Florida Power & Light
- Liberty Energy
- Mississippi Power
- National Grid
- Niagara Mohawk
- NSTAR
- NYSEG
- Progress Energy
- Public Service of NH
- Rochester Gas & Electric
- State Electric
- Unitil
- Western Mass Electric Company