B + A
Bone Greater Than Air [Conduction]
B/A
Bachelor of Applied Arts
Bank Angle [Aviation] (PIPO)
Banker's Acceptance (JAGO)
Beam Approach (DEN)
Billed At [Commerce]
Boilling/Alleroid (SAUS)
Bomb-Aimer [British military] (DMA)
Booster/Adaptor (ACAE)
Breaking Action (DNAB)
Bridle Arrester (MCD)
British American (SAUO)
Bureau of Aeronautics [Later, Naval Air Systems Command]
B & A
Baltimore & Annapolis Railroad Co. (IIA)
Bangor & Aroostook Railroad Co. (IIA)
Banning and Arden's Patent Reports [United States] [A publication] (DLA)
Barnewall and Adolphus' English King's Bench Reports [109-110 English Reprint] [1830-34] [A publication] (DLA)
Barnewall and Alderson's English King's Bench Reports [1817-22] [A publication] (DLA)
Barron and Arnold's English Election Cases [1843-46] [A publication] (DLA)
Barron and Austin's English Election Cases [1842] [A publication] (DLA)
Barros & Associates Ltd. [Information service or system] (IID)
Bid and Asked [Investment term]
Boat and Aircraft (CAAL)
Bond and Allotment (DNAB)
Boston & Albany Railroad
B&A
Bernstein & Associates [Computer science]
Budget & Accounting (ALAC)