| FCS | Computer Systems 
| Others |
| FCS | Fabric Configuration Server
| Others |
| FCS | Facebook Communities Summit
| Others |
| FCS | Facial Contour System
| Others |
| FCS | Facilities and Campus Services
| Others |
| FCS | Factory Control System
| Others |
| FCS | Faculty of Computer Science
| Others |
| FCS | Faculty of Contemporary Studies
| Others |
| FCS | Familial Chylomicronemia Syndrome
| Others |
| FCS | Family and Child Studies
| Others |
| FCS | Family Consultation Service
| Others |
| FCS | Family Consultation Services
| Others |
| FCS | Family Consumer Science
| Others |
| FCS | Family Consumer Sciences
| Others |
| FCS | Farm Credit Services
| Others |
| FCS | Farm Credit System
| Others |
| FCS | Fast Channel Switching
| Others |
| FCS | Fast Charging Station
| Others |
| FCS | Fast Chip Select
| Others |
| FCS | Fast Circuit Switching
| Others |
| FCS | Fast Combat Strategy
| Others |
| FCS | Fatigue Critical Structure
| Others |
| FCS | Fayette County Speedway
| Others |
| FCS | Fecal Containment System
| Others |
| FCS | Federal Commonwealth Society
| Others |
| FCS | Federal Communications System
| Others |
| FCS | Federated Content Search
| Others |
| FCS | Feed Center Services
| Others |
| FCS | Feedback Control Realtime Scheduling
| Others |
| FCS | Feedback Control System
| Others |
| FCS | Fellowship Of Christian Stagehands
| Others |
| FCS | Fellowship of Christian Students
| Others |
| FCS | Ferrari Challenge Series
| Others |
| FCS | Ferrari Club Sweden
| Others |
| FCS | Ferrari Club Switzerland
| Others |
| FCS | Fetal Calf Serum
| Others |
| FCS | Fiber Channel Standard
| Others |
| FCS | Fibre Channel Standard
| Others |
| FCS | Fibre Channel Switch
| Others |
| FCS | Fibre Channel System
| Others |
| FCS | Field Control Station
| Others |
| FCS | Field Control System
| Others |
| FCS | Fieldbus Connection System
| Others |
| FCS | File Control Services
| Others |
| FCS | File Control System
| Others |
| FCS | Fin Control System
| Others |
| FCS | Final Candidate System
| Others |
| FCS | Final Code Ship
| Others |
| FCS | Final Customer Shipment
| Others |
| FCS | Financial Communications Society
| Others |
| FCS | Financial Control System
| Others |
| FCS | Findlay City Schools
| Others |
| FCS | FINRA Contact System
| Others |
| FCS | Fire Control System
| Military, Defence, Weapon, Hardware, Software |
| FCS | Firearms Certification System
| Others |
| FCS | Firing Control System
| Others |
| FCS | First Choice School
| Others |
| FCS | First Church of Swing
| Others |
| FCS | First Class Software
| Others |
| FCS | First Commercial Shipment
| Others |
| FCS | First Copy Shipped
| Others |
| FCS | First Corporate Sedans
| Others |
| FCS | First Customer Ship
| Others |
| FCS | First Customer Shipment
| Others |
| FCS | First Customer Shipping
| Others |
| FCS | Fixed Cellular System
| Others |
| FCS | Fixed Charging Station
| Others |
| FCS | Flash Card Set
| Others |
| FCS | Flash Communication Server
| Others |
| FCS | Flat Coil Spring
| Others |
| FCS | Flicking Championship Standings
| Others |
| FCS | Flight Control System
| Others |
| FCS | Flight Control Systems (Surfaces)
| Others |
| FCS | Flight Crew System
| Others |
| FCS | Flood Control System
| Others |
| FCS | Florida Cancer Specialists
| Others |
| FCS | Flow Cytometry Standard
| Others |
| FCS | Fluorescence Confocal Spectroscopy
| Others |
| FCS | Focused Community Strategies
| Others |
| FCS | Food Concumption Score
| Others |
| FCS | Food Contact Substance
| Others |
| FCS | Football Championship Series
| Others |
| FCS | Football Championship Subdivision
| Others |
| FCS | For Christ's Sake!
| Others |
| FCS | For Christs Sake
| Others |
| FCS | For in College Sports
| Others |
| FCS | Ford Club Sweden
| Others |
| FCS | Ford Component Sales
| Others |
| FCS | Ford Country Squire
| Others |
| FCS | Ford Customer Service
| Others |
| FCS | Forefront Client Security
| Others |
| FCS | Forensic Consulting Specialties
| Others |
| FCS | Form Conversion Software
| Others |
| FCS | Forsyth County Schools
| Others |
| FCS | Fortune Cookie Soap
| Others |
| FCS | Forward Control Section
| Others |
| FCS | Foundational Community Supports
| Others |
| FCS | Fox College Sports
| Others |
| FCS | Fractional Convertible Share
| Others |
| FCS | Frame Check Sequence
| Others |
| FCS | Frame Check Sum
| Others |
| FCS | Frame Control Sequence
| Others |
| FCS | Free Cafe Saturdays
| Others |
| FCS | French Car Show
| Others |
| FCS | Fresh Cut Sterilized
| Others |
| FCS | Friedman Computer Solutions
| Others |
| FCS | Friendly Courteous Service
| Others |
| FCS | Front Camera System
| Others |
| FCS | Fuel Cell Sedan
| Others |
| FCS | Fuel Cell Ships
| Others |
| FCS | Fuel Cell System
| Others |
| FCS | Fuel Compensation Sensor
| Others |
| FCS | Fuel Control Solenoid
| Others |
| FCS | Fuel Control System
| Others |
| FCS | Fuel Cut-Off Solenoid
| Others |
| FCS | Fujitsu Computer Systems
| Others |
| FCS | Full Certification Scheme
| Others |
| FCS | Fulton County Schools
| Others |
| FCS | Fun Car Show
| Others |
| FCS | Function Control Sequence
| Others |
| FCS | Fundamental Capacity Screen
| Others |
| FCS | Fury Coding Shorts
| Others |
| FCS | Fusion Control System
| Others |
| FCS | Future Combat System
| Others |
| FCS | Future Combat Systems
| Others |
| FCS | Fuzzy Comparison Scheme
| Others |