Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym SIES is...

SIES is

  • Supervision, Inspection, Engineering, and Services

More Meanings For SIES:

  • Self Inflicted Exhaustion Syndrome
  • Supervision, Inspection, Engineering, and Services
  • Office of Strategic Industries & Economic Security

SIES is also in:

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