| Rank | Abbreviation | Meaning |
|---|
| ***** | BISCO | Brandenburg Industrial Service Company
| |
| ***** | BISCO | Band Instrument Service Company
| |
| ***** | BISCO | Processing and characterization of Bi based high temperature Superconductors for technical applications
| |
| ***** | BISCO | Building Integration Software Company Ltd
| |
| **** | BISCO | Best Industrial Supply Co., Ltd.
| |
| **** | BISCO | Bangladesh Oniyavara Seva Coota (Indian anti-child labor advocacy)
| |
| **** | BISCO | British Iron and Steel Corporation
| |
| **** | BISCO | Bismuth Strontium Copper Oxide
| |
| *** | BISCO | Bangalore Oniyavara Seva Coota
| |
| *** | BISCO | Bayou Interfaith Shared Community Organizing
| |