About Electrical Engineering & Service Co Inc.




Electrical Testing & Electrical Maintenance

Electrical Engineering & Service Co., Inc . (EESCO) employs a staff of highly trained and dedicated field service engineers and technicians. We offer a wide variety of services. Acceptance Testing & Commissioning, Predictive & Preventative Maintenance Programs, Emergency Switchgear & Substation Repair & Upgrade Services, Power System Studies, Power Quality & Disturbance Analysis, Custom Retrofit & Installation Services, Supplier of Rebuilt or Reconditioned Apparatus, Resistive & Reactive Load Bank Rental Services and more…for low, medium and high voltage systems and apparatus.

Switchgear Circuit Breakers Generators
Substations Switches Instrumentation / Controls
Transformers Load Break Devices Cables
Grounding Systems Insulation Systems Harmonic Mitigation
TVSS Installations Bus-Bar Fabrication Metering Installation
Retrofits & Repairs Engineering Services Protective Relays
    Power Quality Services


Established in 1989, EESCO is an industry leader in the Northeast / New England area for servicing, repairing, maintaining, and commissioning of electrical distribution systems. Our clients include Utility / Generation Facilities, Industrial Plants, Colleges & Universities, Commercial Buildings, Government Agencies, Electrical Contractors, Commercial Property Managers, Engineering Firms and more…







Electrical Engineering & Service Co., Inc.
289 Centre Street Holbrook, MA 02343
781-767-9988 / Fax: 781-767-9922

eescoUSA.com