EFCO
| Acronym | Definition |
|---|---|
| EFCO | European Federation of Campingsite Organisations |
| EFCO | European Folk Culture Organisation |
| EFCO | Epilepsy Foundation of Colorado (Denver, CO) |
| EFCO | Evangelical Free Church of Oakland (Oakland, CA) |
| EFCO | Economy Forms Company |
| EFCO | Espace Finance & Conseils (French: Space & Finance Advice) |
| EFCO | Efficiency of Power Generation for Commercial Use with Oil |