| Stockholm Academy of Dramatic Arts | Academic & Science |
| Students Against Drugs and Alcohol | Academic & Science |
| Students Against Drug Abuse | Academic & Science |
| Senior Assistant District Attorney | Business |
| Seattle Art Dealers Association | Community |
| School Of Art Design and Architecture | Community |
| Seasonal Affective Disorder Association | Community |
| Social Awareness and Development Association | Community |
| Savanah Accelerated Development Authority | Community |
| Savannah Accelerated Development Authority | Community |
| San Antonio Development Authority | Community |
| Special Area Development Authority | Community |
| Select Agent Distribution Activity | Computing |
| SAVE CARDANO | Cryptocurrency |
| Syarikat Air Darul Aman | General |
| Special Assistant for Data Automation | General |
| Sindacato Autonomo Dipendenti ANAS | General |
| Societe Africaine de Distribution Automobile | General |
| Societe Alenconnaise Distribution Auto | General |
| Societe Angevine Distribution Automobile | General |
| Standard Advanced Dewar Assembly | Governmental |
| South African Data Archive | Governmental |
| Solar Array Drive Assembly | Governmental |
| Sacramento Area Dance Alliance | Governmental |
| Southern Alliance Drinking Association | Governmental |
| Sistema Semiautomático de Defensa Aérea | International |
| Spatial Analysis and Decision Assistance | Medical |
| South African Dental Association | Medical |
| Staff Alliance for Disability Access | Medical |
| South Australian Debating Association | Regional |
| South African Debt Advisors | Regional |
