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

OIS is

  • O'Brien Investment Services
  • OMNI Information Services

More Meanings For OIS:

  • Open Interface Specification
  • Online Information System
  • Open Interconnected System
  • Oh, I See!
  • Only In Spain
  • Office of Instructional Services
  • Oslo International School
  • Optical Intrinsic Signal
  • O'Brien Investment Services
  • OMNI Information Services
  • Office Information System
  • Only In Spain
  • Oil States International
  • Officer Indoctrination School
  • Optical Image Stabilizer

OIS is also in:

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