ABBREX

• 561. O&g Producer (1)
• 562. Obamacare (1)
• 563. Oblivion Game (1)
• 564. Oceania (1)
• 565. Ohio (1)
• 566. Oil & Gas (1)
• 567. Oilpatch (2)
• 568. Oklahoma (3)
• 569. Ökologie (2)
• 570. Olympics (1)
• 571. Once (1)
• 572. Online Gaming (32)
• 573. Only (1)
• 574. Open Source (5)
• 575. Operating Systems (22)
• 576. Optical Manufacturing (1)
• 577. Optics (4)
• 578. Oracle (1)
• 579. Orchestra (1)
• 580. Organic Chemistry (2)

You can click on a tag to see abbreviations with that tag.
Numbers in parantheses show the number of abbreviations with that tag.