| IISE | Institute for Innovation in Sustainable Engineering 
| Others |
| IISE | Institute for International Studies in Education
| Others |
| IISE | Institute of Industrial and Systems Engineers
| Others |
| IISE | International Institute for Social Entrepreneurs
| Others |
| IISE | International Institute for Special Education
| Others |
| IISE | International Institute for Species Exploration
| Others |
| IISE | Internet Institute for Special Education
| Others |