| EFC | Early Financial Consideration 
| Others |
| EFC | Earnings Factor Credits
| Others |
| EFC | Earth Friendly Concepts
| Others |
| EFC | East Fallowfield Cemetery
| Others |
| EFC | Eco Friendly Car
| Others |
| EFC | Economical Family Car
| Others |
| EFC | Edmonton Fiero Club
| Others |
| EFC | Education Facilities Clearinghouse
| Others |
| EFC | Education Finance Council
| Others |
| EFC | Education for the Children
| Others |
| EFC | Educational Funding Consultants
| Others |
| EFC | Effective Financial Contribution
| Others |
| EFC | Elantra Fans Club
| Others |
| EFC | Electro Federation Canada
| Others |
| EFC | Electronic Feedback Carburetor
| Others |
| EFC | Electronic Filing Cabinet
| Others |
| EFC | Electronic Film Capacitors
| Others |
| EFC | Electronic Fuel Control
| Others |
| EFC | Electrostatic Finishing Components
| Others |
| EFC | Employer Filed Claims
| Others |
| EFC | Encrypted Fair Copy
| Others |
| EFC | Enemy Flag Carrier
| Others |
| EFC | Engine Fan Control
| Others |
| EFC | Enterprise Fabric Connectivity
| Others |
| EFC | Entrepreneurs Financial Centre
| Others |
| EFC | Entry Family Car
| Others |
| EFC | Environmental Facilities Corp
| Others |
| EFC | Environmental Facilities Corporation
| Others |
| EFC | Environmental Finance Center
| Others |
| EFC | Environmentally Friendly Car
| Others |
| EFC | Enzyme Fragment Complementation
| Others |
| EFC | Equality Free Canonical
| Others |
| EFC | Equipment Fund Committee
| Others |
| EFC | Estimated Family Contribution
| Others |
| EFC | Estimated Fuel Consumption
| Others |
| EFC | Ethanol Fuel Conditioner
| Others |
| EFC | European Federation For Colposcopy
| Others |
| EFC | European Federation of Corrosion
| Others |
| EFC | European Financial Coalition
| Others |
| EFC | European Foundation Centre
| Others |
| EFC | European Fruit Cooperation
| Others |
| EFC | European Funny Car
| Others |
| EFC | Evacuation Facility Charges
| Others |
| EFC | Evangelical Fellowship Of Canada
| Others |
| EFC | Evolution Fighting Championship
| Others |
| EFC | Excessive Fuel Consumption
| Others |
| EFC | Execution Flow Control
| Others |
| EFC | Expect Further Clearance
| Others |
| EFC | Expected Family Contribution
| Others |
| EFC | Extended Fast Connect
| Others |
| EFC | Extended Flow Control
| Others |
| EFC | Extreme Fighting Championship
| Others |
| EFC | Extremely Fast Carol
| Others |
| EFC | Extremely Fast Convergence
| Others |