| ISBC | Illinois Sports Business Conference 
| Others |
| ISBC | Independent Schools Benefits Consortium
| Others |
| ISBC | Indian Springs Baptist Church
| Others |
| ISBC | International School for Biodynamic Craniosacral Therapy
| Others |
| ISBC | International School on Biological Crystallization
| Others |
| ISBC | International Short Break Conference
| Others |
| ISBC | International Shugden Buddhist Community
| Others |
| ISBC | International Small Business Congress
| Others |
| ISBC | International Small Business Consortium
| Others |
| ISBC | International Society for Bioluminescence and Chemiluminescence
| Others |
| ISBC | International Society for the Banning of Chairs
| Others |
| ISBC | International Spa and Beauty College
| Others |
| ISBC | International Stud Book Committee
| Others |
| ISBC | Inverted Solar Box Cooker
| Others |
| ISBC | Iraqi-Swedish Business Centre
| Others |
| ISBC | Irish Setter Breeders Club
| Others |