Powering Excellence in Electrical Engineering Since 2003
Preventive Maintenance • Design & Construction • Electrical Testing
Our Services
Engineering Power. Ensuring Reliability.
With 20+ years of experience, YSM Electric Engineering Services delivers trusted solutions in preventive maintenance, design, construction, and electrical testing for industries, commercial establishments, and power plants nationwide.
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Trusted Electrical Partner: Delivering Safety, Reliability, and Innovation

20+ Years
of Proven
Expertise

With two decades in the industry, YSM has built a solid reputation for quality, precision, and fast response across industrial, commercial, and power facilities nationwide.

Comprehensive
Services
& Solutions

From preventive maintenance and testing to full-scale design and construction, we provide end-to-end electrical solutions backed by advanced testing equipment and certified engineers.

Nationwide
Coverage &
24/7 Support

Serving Luzon, Visayas, and Mindanao, we ensure our clients receive round-the-clock technical support and dependable service—whenever and wherever it’s needed.

Who We Are:

YSM Electric Engineering Services is an electrical contracting company established in 2003 from its first registered name, YSM Electrical Engineering Services.

YSM has a combined 20 years of experience in highly technical fields of preventive maintenance, commissioning, construction, power system evaluation, and design and supply/trading of electrical equipment.

Over the years, YSM has earned a reputation for excellence, quality and quick response with our focused approach and multi skilled manpower that enables us to address our client needs 24/7.

Vision:

To be a company of choice in the provision of engineering by continuously influencing the industry positively.

Mision:

Will continue to be committed to provide the highest quality of expertise, and continue to capacitate the company with adequately competent staff, maintain a high level of professionalism and add significant value to our clients.

We will continue to build on our reputation as a company that values our customers and employees, and maintains a standard of health, safety and excellence.

Core Values:

  • SOUND ETHICS
  • HONESTY AND TRANSPARENCY
  • PROFESSIONALISM
  • CUSTOMER FOCUSED
  • QUALITY MANAGEMENT

SERVICES OFFERED

  • Infrared Thermographic Survey
  • Dissolved Gas Analysis and oil Quality Test
  • Preventive Maintenance of indoor and outdoor substations
  • General Maintenance of switchgears
  • SF6 Gas Analysis
  • Functional Testing and Calibration of Protection Relays
  • Electrical Testing of Transformers
  • Testing of HV and LV cables, circuit breakers, grounding system, instrument Transformers, metering devices
  • Hotpress Filtering/ Degassing of Transformer Oil
  • Electrical Substation
  • Commercial Buildings
  • Industrial Buildings
  • Auto Cad Drawing of electrical plans
  • Updating of Electrical Plans
  • Internal Inspection of Transformers
  • Rewinding and reconditioning of Transformers
  • Replacement of Transformer parts and accessories
  • Repair/Rehab of Gas Circuit Breakers
  • Re gasketing of transformer leaks

LIST OF EQUIPMENT

  • Digital Low Resistance Ohmmeter
  • Insulation Resistance Tester
  • Turns Ratio Tester
  • DC HI potential Tester
  • Insulation Oil Tester
  • Dielectric Breakdown Voltage Tester
  • Relay Test Set
  • Ground Resistance Tester
  • Capacitance Test set
  • Phase Rotation Tester
  • Variac
  • Infrared Thermographic Scanner
  • Insulation Power Factor Tester
  • Hot press Filtering Machine
  • High Voltage Detector
  • Insulation Resistance Tester 10kV
  • SF6 Gas Quality Analyzer
  • SF6 Gas refilling Device
  • SF6 Gas Leak Detector
  • Ultrasonic Detection Test Instrument
  • CT and PT Analyzer
  • Impedance Tester

Our Clients

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Work in Action

Re-gasketing and hot press filtering

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Preventive Maintenance and Degassing of 442 MVA Transformer

CALIBRATION OF PROTECTION RELAYS

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TESTING OF TRANSFORMERS

PREVENTIVE MAINTENANCE OF SUBSTATION

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PREVENTIVE MAINTENANCE OF DISCONNECT SWITCHES

TIMING TEST OF GAS CIRCUIT BREAKERS

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CABLE PULLING AND TERMINATION

INSTALLATION OF LOAD BREAK SWITCH

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THERMOGRAPHIC SCANNING

SCALEPIT REWIRING AND CABLE PULLING

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Frequently Asked Questions

1. How often do we conduct Preventive Maintenance of our Electrical System?

Ans: Annual, if all equipment are operating in good condition. Frequency may vary depending on the equipment’s condition

Ans: Insulation Resistance, Winding resistance, Turns Ratio Test, Polarization Index, Dielectric Breakdown voltage, Insulation power factor, Oil Analysis

Ans: Yes, we cater supply and installation

Ans: Yes, we offer our services nationwide. We have regular clients in Mindanao (steelasia, holcim, Mindanao geothermal power plant) Visayas ( Petron, Steelasia, Davao Light

Ans: Yes, current client is Solar Ace in Alaminos Pangasinan

Ans: 442 MVA in Kepco Malayan Power Plant in Pililla Rizal

Ans: Yes. We have an accredited laboratory conducting Dissolve Gas Analysis and Oil Quality Test

Ans: Change of proprietor/management but the whole team/work structure is the same.

Ans: Yes, we offer our services nationwide. We have regular clients in Mindanao (steelasia, holcim, Mindanao geothermal power plant) Visayas ( Petron, Steelasia, Davao Light)

Powering Excellence
in Electrical Engineering Since 2003

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V. LUNA AVENUE, QUEZON CITY

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