Company

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Gilbert and Sullivan Opera Victoria, Australia

Exmouth Amateur Operatic Society

Mill Hill Amateur Operatic Society

The Downland Singers

Manor Light Opera

Beaconsfield Operatic Society

Walton and Weybridge Amateur Operatic Society

Ohio Light Opera (Professional)

Radlett Light Opera

Exeter Amateur Operatic Society

Benfleet Operatic Society

Tynemouth Gilbert & Sullivan Society

Walmsley Church Amateur Operatic and Dramatic Society

Chesham Musical Theatre Company

Knowle Musical Society

Tenbury Amateur Operatic Society

Mill Hill Amateur Operatic Society

Bath Light Operatic Group

Kidlington Amateur Operatic Society

Ruislip Operatic Society

Chichester Amateur Operatic Society

Tynemouth Amateur Operatic Society

Torquay Operatic Society

Trowbridge Amateur Operatic Society

Markinch Amateur Operatic Society

Herne Bay Operatic Society

Dursley Operatic and Dramatic Society

New Earswick Musical Society

Sainsbury Singers

Tenbury Amateur Operatic Society

Windsor & Eton Operatic Society

Newcastle upon Tyne Amateur Operatic Society

Ashbeian Musical Theatre Group

Bishops Stortford Amateur Operatic Society

Heswall Operatic Society

Ringwood Musical & Dramatic Society

Ruislip Operatic Society

Tynemouth Amateur Operatic Society

Romiley Operatic Society

Cairns Choral Society

Geoids Amateur Operatic Society

Leicester Operatic Players

Basildon Operatic Society

Ponteland Repertory Society

Woodseats Musical Theatre Company

Canterbury Operatic Society

South Moor Musical Theatre Group

Durham Amateur Operatic Society

Alton Amateur Operatic Society

Axminster Operatic Society

Ayrshire Philharmonic

Eastbourne Operatic and Dramatic Society

Hanwell and Ealing Operatic Society

Newbury Operatic Society

Rugeley Operatic Society

Stirling & Bridge of Allan Operatic Society

Chesterfield Operatic Society

Hereford Gilbert and Sullivan Society

Risley Musical Theatre Company

Exmouth Amateur Operatic Society

Llangollen & District Amateur Operatic & Dramatic Society

Weymouth Operatic Society

Ilford Operatic and Dramatic Society

Kingston Vale Operatic and Dramatic Society

Largs Amateur Operatic Society

Matlock Operatic Society

West Kirby Light Opera Society

Briton Ferry Musical Theatre Company

Coleshill Operatic Society

Yeovil Amateur Operatic Society

Hull Savoyards

Melton Mowbray Amateur Operatic Society

Newcastle upon Tyne Amateur Operatic Society

Penzance Amateur Operatic Society

Hanwell and Ealing Operatic Society

Kirkcaldy Amateur Operatic Society

Penarth Operatic & Dramatic Society

Retford Operatic Society

Ringwood Musical & Dramatic Society

Ripley & Alfreton Musical Theatre Company

Beverley Musical Theatre

Chichester Amateur Operatic Society

Ferryhill Amateur Operatic Society

Risley Musical Theatre Company

Sainsbury Singers

Shrewsbury Amateur Operatic Society

St Ives Music and Drama Society

Torquay Operatic Society

Bristol Amateur Operatic Society

Gainsborough Amateur Operatic Society

Orpheus Amateur Operatic Society, Ottawa (Canada)

Ruislip Operatic Society

Circle Light Opera Company

St Ives Music and Drama Society

Winchester Amateur Operatic Society

Finchley and Friern Barnet Operatic Society

Guiseley Amateur Operatic Society

Newbury Operatic Society

Whitfield Amateur Operatic & Dramatic Society

Glasgow Light Opera Club

Hamilton Operatic and Dramatic Club

Hull Savoyards

St Austell Amateur Operatic Society

Bilston Operatic Company

Sevenoaks Players

Southampton Musical Society

Bangor Operatic Society

Bury St Edmunds Amateur Operatic and Dramatic Society

Clitheroe Parish Church Amateur Operatic & Dramatic Society

Witham Amateur Operatic Society

Chester Operatic Society

Ruislip Operatic Society

Walton and Weybridge Amateur Operatic Society

Brixham Operatic and Dramatic Society

Dundee Operatic Society

Redruth Amateur Operatic Society

South Shields Amateur Operatic Society

Acton Amateur Operatic Society (Cheshire)

Chelmsford Amateur Operatic & Dramatic Society

Acton Amateur Operatic Society (Cheshire)

Erith Operatic Society

Hitchin Thespians

Ilford Operatic and Dramatic Society

Shrewsbury Amateur Operatic Society

Coalville Amateur Operatic Society

Dumfries Musical Theatre Company

East Surrey Operatic Society

Longwood Amateur Operatic Society

Melton Mowbray Amateur Operatic Society

St Annes Amateur Operatic and Dramatic Society

Durham Amateur Operatic Society

Rochdale Amateur Operatic Society

Watford Operatic Society

Yeovil Amateur Operatic Society

Brighouse Amateur Operatic & Dramatic Society

Bristol Amateur Operatic Society

Leicester Amateur Operatic Society

Peterborough Operatic and Dramatic Society

Worcester Operatic & Dramatic Society

Batley Thespians

Carlton Operatic Society

Chesterfield Operatic Society

Gloucester Operatic & Dramatic Society

Ruislip Operatic Society

Stourbridge Amateur Operatic Society

Brighton and Hove Operatic Society

Rathmines and Rathgar Musical Society

South Shields Amateur Operatic Society

Glasgow Light Opera Club

Bath Operatic and Dramatic Society

Gainsborough Amateur Operatic Society

Ringwood Musical & Dramatic Society

Torquay Operatic Society

Bohemians Lyric Opera Company (Edinburgh)

Coventry Musical Theatre Society

Doncaster Amateur Operatic Society

Durham Amateur Operatic Society

Hanwell and Ealing Operatic Society

Kings Lynn Operatic & Dramatic Society

Urmston Musical Theatre

Bury St Edmunds Amateur Operatic and Dramatic Society

Kirkcaldy Amateur Operatic Society

Orpheus Amateur Operatic Society, Ottawa (Canada)

Batley Thespians

Bristol Amateur Operatic Society

Exeter Amateur Operatic Society

Stockport Operatic Society

Southern Light Opera Company

Hanwell Dramatic, Musical and Literary Society

Bath Operatic and Dramatic Society

Eastbourne Operatic and Dramatic Society

Stockport Operatic Society

Barnes and Richmond Operatic Society

Lytham Amateur Operatic Society

Nottingham Operatic Society

Bristol Amateur Operatic Society

Leicester Amateur Operatic Society

Brighton and Hove Operatic Society

Matlock Operatic Society