Trade unions
| Full Name | Short Name | Notes |
|---|---|---|
| Equity | Equity | Actors' Union |
| [Financial workers union] | UNIFI | |
| Fire Brigades Union | FBU | |
| First Division Association of Civil Servants | FDA | |
| Furnishing Trade Union | NAM | |
| Gasworkers Federation Trade Union | GFTU | |
| General Municipal and Boilermakers Amalgamated Trade Union | GMBATU | |
| General Municipal & Boilermakers Union | GMB | |
| General & Municipal Workers' Union | GMWU | formerly NUGMW |
| General Union of Loom Overlookers | GULO | |
| GMB Union | GMB | General, Municipal, Boilermakers' and Allied Trade Union (GMBATU) before 1987. |
| Gold and Silver Allied Trade Union | Gold/Silver | |
| Graphical, Paper and Media Union | GPMU | formed 1991 from SOGAT and NGA |
| Greater London Council Staff Association | GLCSA | |
| Hospital Consultants and Specialists Association | HCSA | |
| Independent Labour Party | ILP | not correct category, but needed here for "sponsored" box |
| Inland Revenue Staff Federation | IRSF | |
| Institute of Journalists | IOJ | |
| Institution of Professionals, Managers and Special | IPMS | |
| Iron and Steel Trades Association | ISTA |