Electrical Switchgear Testing & Maintenance

  • Switchgear Maintenance, Testing, Repair & Modification.
  • Circuit Breaker Maintenance, Testing, Repair, Retrofitting.
  • Acceptance Testing, Start Up Services.
  • Transformers - Testing, Maintenance, & Repair
  • Protective Relays - Testing, Calibration, Repair
  • Installation of Switchgear Metering Systems.
  • Supplier of Obsolete & Rebuilt Electrical Apparatus.


Electrical Engineering & Service Company, Inc. is an independent service organization, specializing in Testing & Evaluation, Repairs, Maintenance, Modification and other services to ELECTRICAL DISTRIBUTION APPARATUS.


This includes, but is not limited to; commissioning and testing of new equipment, circuit breaker testing, protective relay calibration, low and medium voltage circuit breaker upgrade & retrofitting, switchgear upgrades, metering installation, power system studies, harmonic & disturbance analysis, IR scanning, used apparatus sales, and training services.


Our mission is to provide our customers with the highest level of expertise in the field of electrical preventive maintenance and testing, distribution and engineering services. The goal is to help assure that equipment and devices are suitable for service, are reliable, and are safe for operation.


We do this through proper maintenance, testing, and evaluation, thus helping to extend the useful life of apparatus. By identifying and correcting power system deficiencies or anomalies, we improve the overall health of power systems.


No matter where you are in New England, we are ready and available 24 hours a day and 7 days a week to serve you. Our afterhours emergency call system means we are just a phone call away, no what the day or time. Our experienced and trained professionals are ready to answer all your questions and provide you with the electrical preventive maintenance and testing services you require.


For any additional questions, be sure to contact Electrical Engineering & Service Co. today. We look forward to speaking with you!


Electrical Engineering & Service Co., Inc. BBB Business Review

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