Oblique (STED)
Oblong - Bookbinding (WDMC)
obloquy (SAUS)
Opera-Ballet - Music (GROV)
League of Off-Broadway Theatres and Producers (EA)
Object-Based Language (AAEL)
Oblast - Governmental subdivision in USSR corresponding to a province or state
Obligation (ADA)
Obligato - Obbligato - Music (ROG)
Oblique (AABC)
Oblo - Language code (ETLW)
Oblong
Ocean Beach Library (SAUS)
Oceanic Boundary Layer
Office of Business Liaison
Office of Business Loans - Economic Development Administration
Ohio Barge Line (SAUS)
Older Bill of Lading (SAUS)
One Block Look-Ahead - Computer science
Operational Base Launch - Air Force
Order Bill of Lading - Shipping
Order of the Brave Librarian (SAUS)
Osama Bin Laden
Outlined Black Letters - Tire design
Outside of the Battery Limits - Engineering economics
Outstanding Balance List - IRS
Whitewater Boats, Eugene, OR - Manufacturer code for watercraft hull identification number (USCG)
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