OEC
OEC may refer to:
- Old Earth creationism, an term for several types of creationism
- Orissa Engineering College, a technical institution in Bhubaneswar, Orissa, India
- Osborn Engineering Company, a former British manufacturer of motorcycles
- Otis Elevator Company, an American company that manufactures vertical transportation systems
- Outdoor Emergency Care, a course for certification of first aid in non-urban situations
- Oxygen evolving complex, a water oxidizing enzyme
- Offshore Energy Center, sponsor of an offshore drilling museum in Galveston, Texas
- Oregon Environmental Council, a nonprofit member-supported advocacy organization
This disambiguation page lists articles associated with the title OEC.
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