| Freshman Computer Initiative | Academic & Science |
| Facility Condition Index | Academic & Science |
| Framatome Connectors International | Business |
| CCM Inc | Business |
| Freehold Cartage Inc | Business |
| Futureway Communications Inc | Business |
| Financial Conditions Index | Business |
| Fieldcrest Cannon International | Business |
| Fortin Construction, Inc. | Business |
| Fujisankei Communications International | Business |
| Fluid Controls Institute | Business |
| Falcon Collections, Inc. | Business |
| Financial Check In | Business |
| Fortis Corporate Insurance | Business |
| F&c Cap&inc | Business |
| Furniture Consultants Inc | Business |
| Constructors Inc | Business |
| Facility Certification Institute | Certifications |
| Federation Cynologique Internationale | Community |
| Friendly Center, Inc. | Community |
| First CPU Idle | Computing |
| Forward Call Indicator | Computing |
| Fibre Channel Interface | Computing |
| Flow Control Indicator | Computing |
| Frame Copied Indicator | Computing |
| Food Corporation of India | Department of Food and Public Distribution India |
| Factors Chain International | General |
| For A Careful Inspection | General |
| Forward Call Indicators | General |
| Food Craft Institute | General |
| Foreign Currency Innovations | General |
| Failed Customer Interaction | General |
| Furnish Charging Information | General |
| Frozen Cow Industries | General |
| Future Communications IC | General |
| Funders Census Initiative | General |
| Feed Certification Institute | General |
| Force Concept Inventory | General |
| Federal Contract Information | General |
| Failover Cluster Instance | General |
| Fuel Customs Intake | General |
| Fan Cost Index | General |
| Fiat Club India | General |
| Fiat Chrysler India | General |
| Fuel Consumption Index | General |
| Filter Change Interval | General |
| Functional Capacity Index | General |
| Ferrari Club Indonesia | General |
| Ford Community Indonesia | General |
| Fiesta Club Italia | General |
| Ferrari Club Italia | General |
| Fluid Components International | General |
| Family Care International | General |
| Fisher Creative Image | General |
| Fertility Centers of Illinois | General |
| Fall Creek Intermediate | General |
| Fire Crotchted Insanity | General |
| Federation Colombophile Internationale | General |
| Factory Connections International | General |
| Fulgor Cooking Industries | General |
| File Classification Infrastructure | General |
| Failover Clustered Instance | General |
| Federation Cynologue International | Governmental |
| Florida Caribbean Institute | Governmental |
| Flagship Chinese Institute | Governmental |
| Federation Cynologiquel Internationale | Governmental |
| Free Cheese Institute | Governmental |
| Foreign Counter-Intelligence | Governmental |
| Federal Correctional Institution | Governmental |
| Federation Cynologique International | Governmental |
| French Culinary Institute | Governmental |
| French Culinary… The Institute | Governmental |
| Federation Cynilogical International | Governmental |
| Framatone Connectors International | International |
| First Continental International | International |
| Fondo de Compensación Interterritorial | International |
| Final Component Inspection | Internet |
| Failures or Contraindications | Medical |
| Flight Control Integration | Military and Defence |
| Full Configuration Interaction | Physics Related |
| Fast Causal Inference | Physics Related |
| Flight Control Indicator | Space Science |
| Functional Configuration Identification | Space Science |
