Acronym |
Definition |
| SDFA | Service Dogs For America |
| SDFC | San Diego Fellow Calligraphers |
| SDFCCLA | South Dakota Family, Career, and Community Leaders of America |
| SDFF | San Diego Futures Foundation |
| SDFF | Sustainable Development Facility Fund |
| SDFN | Shack Dwellers Federation of Namibia |
| SDFW | Social Development Funding Window |
| SDLA | San Diego Leadership Alliance |
| SDMF | San Diego Music Foundation |
| SDMS | Society of Diagnostic Medical Sonography |
| SDMUG | San Diego Macintosh User Group (California) |
| SDN | Student Doctor Network |
| SDO | Sanayee Development Organization |
| SDRF | Software Defined Radio Forum, Inc. |
| SDSF | Shwachman-Diamond Syndrome Foundation |
| SDSI | Shwachman-Diamond Syndrome International |
| SDTC | Sustainable Development Technology Canada |
| SE-EPPC | Southeast Exotic Pest Plant Council |
| SEA | Science and Engineering Alliance |
| SEACAP | South East Asia Community Access Programme |
| SEACOPS | South East Alaska Coalition Opposed to Pirating of our Salmon |
| SEAI | Science and Education Alliance, Inc. |
| SEAL | Society For Experimental Arts And Learning |
| SEARCH | Society for Education Action and Research in Community Health |
| SEC | Save The Earth Campaign |
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