| Acronym | Definition |
|---|
| OES➣Original Equipment Supplier |
| OES➣Occupational Employment Statistics |
| OES➣Office of Emergency Services |
| OES➣Order of the Eastern Star |
| OES➣Optical Emission Spectrometry |
| OES➣Optical Emission Spectroscopy |
| OES➣Open Enterprise Server (Novell) |
| OES➣Old English Sheepdog |
| OES➣Oracle Entitlements Server |
| OES➣Oregon Electric Station (Eugene, Oregon restaurant) |
| OES➣Opera Enterprise Solution |
| OES➣Operating Environments |
| OES➣Open Enterprise Server |
| OES➣Oregon Episcopal School |
| OES➣Oracle Express Server |
| OES➣Office of Engineering Services |
| OES➣Occupational Exposure Standard |
| OES➣Order Entry System (software) |
| OES➣Ontario Electronic Stewardship (Canada) |
| OES➣Oceans and International Environmental and Scientific Affairs (Department of State bureau) |
| OES➣Office of Experiment Stations (USDA) |
| OES➣Officer Education System (US Army) |
| OES➣Office of Extended Studies (various schools) |
| OES➣Online Evaluation System (various organizations) |
| OES➣Online Employment System (various locations) |
| OES➣Office Equipment Services (Naperville, IL) |
| OES➣Oceanic Engineering Society |
| OES➣Original Equipment Spares |
| OES➣Open Enterprise Solutions (software; various locations) |
| OES➣Office of Earth Science (NASA) |
| OES➣Office of Education Services |
| OES➣Office of Employment Security (US government) |
| OES➣Offshore Engineering Society |
| OES➣Officer Evaluation System |
| OES➣Operational Engineering Support |
| OES➣Orissa Environmental Society (India) |
| OES➣Office of Employee Services |
| OES➣Organization Executive Secretary (Scientology) |
| OES➣Office of Executive Support |
| OES➣Ontario Employment Standards (Canada) |
| OES➣Oregon Environmental Systems (Beaverton, OR) |
| OES➣Ogretim Elemanlari Sendikasi (Turkish: Union of Teaching Staff) |
| OES➣Orbital Element Set (satellite) |
| OES➣Outbreak Elimination Squad (gaming clan) |
| OES➣Operations Evaluation System |
| OES➣Outside Electrical Supply |
| OES➣Operational Effectiveness Systems (enterprise software to manage organizational knowledge & work processes) |
| OES➣Optically Excited System |
| OES➣Ownship Environment Simulator |