| Rank | Abbreviation | Meaning |
|---|
| ***** | GCAM | Gross Contribution After Marketing
| |
| *** | GCAM | Gold Coast Airport Marathon
| |
| *** | GCAM | General Campaign Analysis Model
| |
| *** | GCAM | Gulf Coast Archive and Museum of Gay, Lesbian, Bisexual & Transgendered History, Inc.
| |
| *** | GCAM | Global Change Assessment Model
| |
| ** | GCAM | GNU Computer Aided Manufacturing
| |
| ** | GCAM | Gobierno de la Ciudad Autonoma de Melilla
| |
| * | GCAM | Guyane-Cinéma Audiovisuel et Multimédia
| |
| * | GCAM | General Customs Administration of Mexico
| |
| * | GCAM | goblet cell apical membranes
| |
| * | GCAM | Service Difficulty Reports
| |
| * | GCAM | Global Corporate Account Management
| |
| * | GCAM | Graphics Channel Adapter Module
| |
| * | GCAM | Ground Collision Avoidance Module
| |
| * | GCAM | GAMING CORPORATION OF AMERICA
| |
| * | GCAM | Gynecologic Cancer Awareness Month
| |
| * | GCAM | Guild Capital Asset Management
| |
| * | GCAM | Goblet cell apical membrane fragments
| |
| * | GCAM | Galleria Comunale Arte Moderna
| |
| * | GCAM | GAIN Capital Asset Management
| |
| * | GCAM | Gulf Coast Archive & Museum
| |
| * | GCAM | Gynecologic Cancer Awareness Movement
| |
| * | GCAM | Global Cultural Asset Management
| |
| * | GCAM | Gulf Coast Aerial Mapping
| |