About Electrical Engineering & Service Co Inc.




Since our founding in 1989, we have been your source for complete electrical power distribution services in Massachusetts. From emergency electrical repairs, testing, and maintenance of new or used electrical distribution equipment, to sub-station start-up services, relay calibration, switchgear and circuit breaker upgrade and rebuilding services. We also provide power system studies, as well as power quality services - we can solve your power related issues.


Electrical Engineering has the resources available for all your electrical distribution system needs. A company owned fleet of service vans and trucks, 12 thousand square foot service and repair facility and some of the most sophisticated equipment in the industry are ready to serve you. Our in house shop services include fabrication and design, rebuilding and retrofitting services, as well as, complete repair and maintenance services. Our technical capabilities include switchgear testing and maintenance, upgrade and design services, power system studies, harmonic and disturbance analysis, one-line diagrams and more...


Our objective has always been to provide prompt professional and technical assistance for evaluation, repairs, upgrades, and maintenance of electrical distribution apparatus. We strive to ensure safe and reliable operation of equipment for plant and maintenance personnel, and to improve overall power quality by identifying and correcting system deficiencies.


Electrical Engineering & Service Co. provides a full range of New England Area electrical power services. From routine maintenance and electrical testing, all the way to complete switchgear rebuilding and upgrade services. Electrical Engineering has the knowledge, experience, and equipment to meet any of your electrical power distribution needs. For oil filled transformers, we can test and analyze, repair fluid leaks, analyze the dielectric fluid for routine quality screen tests or dissolved gas analysis. We also provide complete high voltage repair services, including cable testing and splicing services, high voltage switchgear testing, repairs, and more.


Our rental fleet of load banks are here to service your generator or other load testing requirements. We offer units in size from 50 kW to 500 kW for daily, weekly, or monthly rental - We can also provide delivery, labor, set-up, and can monitor your load tests if desired. Please call us for your load bank needs.


As well as being the Factory Authorized Service provider for Siemens Energy & Automation, we also offer complete low and medium voltage circuit breaker and switchgear rebuilding and retrofitting services for all other manufacturer's equipment. Engineering and training services are also available. We can upgrade your obsolete medium voltage air magnetic circuit breakers to vacuum technology. We also upgrade and retrofit low voltage circuit breakers and switchgear. We provide various on-site and outage services such as circuit breaker and switchgear testing and maintenance, switchgear evaluations, DC Hipot tests; transformer maintenance and Double power factor testing; Primary injection tests, relay calibration and coordination; cable proof testing, ground testing, Infrared Thermographic Inspection services and more.


Our facility is fully equipped for switchgear and circuit breaker repair, testing and modification services. We also buy and sell used and obsolete electrical apparatus. We can supply you with reconditioned, tested and guaranteed electrical equipment.


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 after hours 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 services and equipment you require. We provide a full range of circuit breaker services, switchboard modification and control wiring, as well as switchgear and motor protection upgrades. Our engineering technicians repair, rebuild, and test all types and styles of medium and low voltage switchgear and related apparatus.





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

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