Centre for Microcomputer Applications, a manufacturer and distributor of products for science and technology education in The Netherlands

Chinese martial arts

Concert Multithreaded Architecture, a computer threading package from Digital Equipment Corporation

Country Music Awards

Computer Misuse Act 1990

Christian and Missionary Alliance

Census Metropolitan Area

Canis Major (constellation), standard astronomical abbreviation

Constitutional Monarchy Association

Crystal Meth Anonymous

Christian Motorcyclists Association

Country Music Association

Canadian Malayalee Association

Complex metallic alloys

Community Media Association

Chess'n Math Association

Chest Medicine Associates

Common Monetary Area

Chinese Musicians' Association

Critical Medical Anthropology

Canadian Motorcycle Association

Calcium magnesium acetate, an inorganic compound

Certified medical assistant

Camden Military Academy, a boarding school in Camden, South Carolina, USA

Canadian Medical Association, a professional association of physicians in Canada

Central Mountain Air, an airline based in Smithers, British Columbia, Canada

Certified Management Accountant, an accountant who has met certain qualifications

Certified Market Analyst, a financial analyst who has met certain qualifications set by the American Academy of Financial Management

Chennai Metropolitan Area, the metropolitan area around Chennai, India

Chinese Military Academy, the military academy of the Republic of China, located in Fengshan, Kaohsiung County, Taiwan

Comma (punctuation), as used in coded military communication (e.g., WWII)