CONTACT US: . Phone:(+66)2331-3987 .



  Siam Denki Engineering Co.,Ltd. (SDE),former named as Siam Denki Engineering Ltd,Part., was established on 21 November 1984.

  SDE is an electrical and instrument company which specialized in details of engineering, procurement and construction oil & gas plants, petrochemical plants, general plants/factories, including industrial facilities and buildings.

  SDE never stop improving and  developing of all our entire works by emphasis on quality assurance and HSE ( Health & Safety and the environment ) in order to exceed all our customer’s satisfaction. SDE has about 600 employees.SDE is experienced partners for example, manager, engineers, supervisors and skilled workmen, all highly motivated to handle all projects.
  Moreover, SDE has also many high potential subcontractors whose associations with the company span over many years. SDE is well-experience for both domestic and overseas , particularly in neighbour hood such as Lao and Vietnam.


  Recently, SDE has been assessed and certified as meeting the requirement of ISO 9001:2008 since 2015. Currently, SDE has become one  of the electrical and Instrument leading contractors in Thailand because of entrusting from customers with high responsibility.

To achieve the highest level of satisfaction and truth worthy from customers are the most essential factors that have earned our company wide spread acceptance.

  Furthermore, our best recognition among the public in the past would be continued to be of paramount importance in the future growth of our company.

  We, SDE’s management team and plus all our staffs would like to express our best sincere thanks for selecting our company’s

ORGANIZATION SYMBOL ;- The meaning of Siam Denki 



      S  uitainable

  I   nnovation

 A  ccountability

 M  odern Organization

 D  ecentralization

 E  fficiency and Effectiveness

 N  etwork

 K  nowledge

  I   ntegration


Management Team




Management Programme

 Engineering and  Construction Department 

  Purchasing  Department  Financial and Accounting Department  Human Resource Department

HSE Department

  • Electrical Work
  • Instrumentation
  • Mechanical Work
  • Maintenance Service
  • Planning and Design
  • Local Purchasing
  • Import Purchasing
  • Store and Transportation
  • Tools and Equipment
  • Contract
  • Administration
  • Accounting
  • Recruitment & Talent Acquisition
  • Employee Compensation & Benefit
  • Employee Relation
  • Policies & Contracts
  • Health
  • Safety
  • Environment


Management and Technical Staff

26 March 2018

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