Cable Makers' Association
• Chem. calcium magnesium acetate
• Canadian Medical Association
• Catering Managers' Association
• (USA ) Certificate of Management Accounting
• Church Music Association
• civil-military affairs
• coal-mineral analysis
• (USA ) Colorado Mining Association
• Commonwealth Medical Association
• Communication Managers' Association
• (New Zealand ) cost and management accountant
• Court of Military Appeals
• Optics cylindrical mirror analyser