| Acronym | Definition |
|---|
| GSIA➣Graduate School of Industrial Administration |
| GSIA➣Gloucestershire Society for Industrial Archaeology (UK) |
| GSIA➣Goa State Industries Association (India) |
| GSIA➣Greater Springfield Interfaith Association (Springfield, IL) |
| GSIA➣Gesellschaft Schweizerischer Industrie Apotheker (Swiss Society of Industrial Pharmacists) |