| Rank | Abbreviation | Meaning |
|---|
| ***** | GLSC | Gotta Love Spell Check
| |
| ***** | GLSC | Goldfields Land and Sea Council
| |
| ***** | GLSC | Global Logistics Support Center
| |
| **** | GLSC | German Language School Conference
| |
| **** | GLSC | Government Launch Services-Cryogenic
| |
| **** | GLSC | Great Lakes Science Centre
| |
| **** | GLSC | Gay Lesbian and Straight Caucus
| |
| *** | GLSC | Great Lakes Scrip Center's
| |
| *** | GLSC | Global Logistics Supply Center
| |
| *** | GLSC | Global Logistics Supply Chain
| |
| *** | GLSC | Great Lakes Scrip Center
| |
| *** | GLSC | Galway Lake Sailing Club
| |
| *** | GLSC | Great Lakes Sports City
| |
| *** | GLSC | Guyana Lands and Survey Commission
| |
| *** | GLSC | Global Location Service Center
| |
| *** | GLSC | Green Lake Small Craft
| |
| *** | GLSC | Guam Legal Services Corporation
| |
| *** | GLSC | Great Lakes Sandwich Company
| |
| *** | GLSC | Grand Lake Sailing Club
| |
| *** | GLSC | Great Lakes Scrip Company
| |
| ** | GLSC | Gold Link Security Company
| |
| ** | GLSC | Grand Ledge Soccer Club
| |
| ** | GLSC | global life sciences c
| |
| ** | GLSC | Great Lakes Saab Club
| |
| ** | GLSC | Great Lakes Service Center
| |