Fibromyalgia Syndrome

Florida Military School

Flexible manufacturing system, production system using computer-controlled machines that can adapt to various versions of the same operation

Fere Marist Scholare

False memory syndrome

File Management System, part of Atari DOS

Faculty of Management Studies, Delhi

Free Monitoring System, as in Pandora (Free Monitoring System)

Flash Media Server

Future Medical Society CROEM

Flying Model Simulator, a free personal computer flight simulator application for radio-controlled aircraft

Flexible Modeling System, developed at the Geophysical Fluid Dynamics Laboratory

Flight Management System

Flight management system

Fixed Mobile Substitution

Federal Magistrates Service, the former name of the Federal Magistrates' Court of Australia

Federated Malay States (1895-1946) (Negeri-negeri Melayu Bersekutu) - historical British protectorate in then British Malaya

Foreign military sales, a term in arms trade

Final Multiple Score, the calculation used to advance enlisted sailors in the United States Navy.

Financial Management Service, a bureau of the U.S. Treasury Department

Fiji Meteorological Service, the central weather office of Fiji

Fisichella Motor Sport, motor racing team owned by F1 driver Giancarlo Fisichella.