Master Builders Association

Minimum Basic Agreement, the basic contract between the Writers Guilds of America and the AMPTP

Maine Bar Association, the professional organization of lawyers in the state of Maine.

Market Basket Analysis, a data mining technique used to determine the existence and strength of a copurchase relationship

Motorbike accident, an acronym used by paramedics and doctors

Master of Business Administration, university degree.

Middle Bronze Age

Metropolitan Basketball Association, a Philippine professional basketball league

Miss Black America, a beauty pageant for African-American women.

Media Bloggers Association

Milwaukee Bar Association, professional organization of lawyers.

Montgomery Bell Academy, a college preparatory school in Nashville, Tennessee, USA.

IATA airport code for Moi International Airport

Léon M'ba, first president of Gabon