| Acronym | Definition |
|---|
| NSCI➣National Sports Club of India |
| NSCI➣National Smoking Cessation Institute (UK) |
| NSCI➣New Sky Communications, Inc. (films; Livonia, NY) |
| NSCI➣No Significant Cost Impact |
| NSCI➣Nikko Securities Co. International Inc. (financial services; New York, NY) |
| NSCI➣National School Conference Institute LLC (Phoenix, AZ; training) |