GBSI
| Acronym | Definition |
|---|---|
| GBSI | Global Business Solutions, Inc. (Pensacola, FL) |
| GBSI | Global Building Systems, Inc (Arizona) |
| GBSI | Green Building Solutions International (various locations) |
| GBSI | Granite Bancshares |
| GBSI | Group B Strep International (West Wareham, MA) |
| GBSI | Global Broadband Satellite Infrastructure Initiative (International Telecommunications Satellites Organization) |
| GBSI | Global Blood Safety Initiative (World Health Organization) |