| SHDA | Security Hardware Distributors Association 
| Others |
| SHDA | Senior Help Desk Analyst (information technology job)
| Others |
| SHDA | Simon Herbert Design Associates (UK graphic design company)
| Others |
| SHDA | St. Helena Development Agency (Jamestown, St. Helena)
| Others |
| SHDA | Student Hispanic Dental Association (University of Pennsylvania)
| Others |
| SHDA | Subdivision and Housing Developers Association, Inc. (Philippines)
| Others |