This page lists all UK trade unions known to have existed at any stage in history whose name began with the letter I.Most have long since disappeared and many have left no records. Use this website to find out more.

Ilkeston and District Builders’ Labourers Union
Ilkeston and District Hosier) Union
Ilkeston Conservative Miners Association
Imperial Merchant Service Guild
Independent Association of Builders’ Labourers
Independent Association of Tinplate Makers
Independent Cabinet Makers Association
Independent Carpenters and Joiners Society
Independent Carvers Society (London)
Independent National Union of Women Boot and Shoe Workers
Independent Order of Engineers and Machinists, Trade and Friendly Society
Independent Order of London Carmen
Independent Order of the London Carmen’s Trade Union
Independent Ship, Riverside and General Labourers Union
Independent Society of Bricklayers
Independent Tailors Trade Union
Independent Tailors Union
Independent Tailors, Machinists and Pressers Union
India Rubber, Cable and Asbestos Workers Union
Insulator, China Furniture and Electrical Appliance Throwers and Turners Union
International Boot and Shoe Workers Union
International Cigarette Makers and Tobacco Cutters Union
International Cork Cutters Society
International Federation of Stewards, Seamen and Firemen
International Furriers Trade Union
International Journeymen Boot Finishers Society
International Journeymen Tailors, Machinists and Pressers Union
International Mantel Makers of London
International Outworking Tailors Federation
International Sailors, Firemen, Cooks, Stewards and General Workers Union
International Sew-Round and Slipper Makers Union
International Society of Stick Makers
International Society of Tailors and Tailoresses
International Tailor and Tailoresses Union
International Tailoresses Union (Leeds)
International Tailors and Tailoresses union
International Tailors, Machinists and Pressers Trade Union
International Tailors, Machinists and Pressers Union
International Tailors, Machinists and Pressers Union (Glasgow)
International Tailors, Machinists and Pressers Union (Ireland)
International Tailors, Machinists and Pressers Union (London E)
International Union of Cork Cutters (Scotland)
International Union of Glass Bottle Makers
International Upper Machinists Union
International Watch and Clockmakers Union (London)
Inverness Cab Men’s Association
Inverness Operative Plasterers Union
Ipswich and East Coast Bargemen’s Protection Society
Ipswich Dock, Wharf and Riverside Union
Irish Carters Trade Union (Belfast)
Irish Garment Makers Trade Union
Irish Garment Workers Industrial Union
Irish Hand Loom Damask Weavers Trade Union (Lisburn)
Irish Linen Lappers and Warehouse Workers Trade Union
Irish Linen Lappers Trade Union
Irish Textile Overlookers Trade Union
Irish Transport and General Workers Union
Irish United Enginemen, Cranemen, Motormen and Firemen (Belfast)
Iron and Steel Dressers Trade Society
Iron and Steel Trades Confederation
Iron and Steel Trades Federation
Iron Caulkers Association
Iron Dressers Trade Society
Iron Plate Workers Society
Iron Safe Engineers Society
Iron, Steel and Metal Dressers Trade Society
Iron, Steel and Wood Barge Builders and Helpers Association
Iron, Steel, Metal Dressers and Kindred Trades Society
Ironfounding Workers Association
Islington Society and North London Union of House Painters and Decorators
Italian Mosaic Workers Society (London)
Ivory and Bone Brushmakers Trade Protection Society
Ivory, Bone and Hard and Soft Wood Turners Trade Protection Society