Browse All Abbreviation Categories
- 12221. Office Of Communication
- 12222. Office Of Education
- 12223. Officer
- 12224. Offices
- 12225. Officiating
- 12226. Offroad
- 12227. Offset
- 12228. Offshore
- 12229. Offshore Gas Industry
- 12230. Offshore Oil Industry
- 12231. Offshore Oil Undustry
- 12232. Offsite
- 12233. Offspring
- 12234. Ogden
- 12235. Ogre
- 12236. Ogun State
- 12237. Ohio
- 12238. Ohio Youth Orchestra
- 12239. Ohm
- 12240. Ohmmeter