30 Whitehead's Grove, then 10a Elystan St., Chelsea, London, England Adderley Park, Birmingham, England Addlestone, Surrey Addlestone, Surrey, UK Austria Battersea, UK Belfast, Ireland Berlin-Johannisthal Berlin-Lichtenberg; Berlin-Johannisthal Bognor Regis, West Sussex, England Bradford, England Bristol Britain Cathcart, Glasgow, Scotland Chelsea; offices apparently on St. James St., London, England Cheltenham, England Clacton, England Clapham, London; Leagrave, Luton, Bedfordshire. Cologne-Nippes constructed at Polson Iron Works, Toronto; offices appear to have been in New York, NY. Coventry Coventry, England Cricklewood, London Crossens, Southport, Lancashire, England Dumbarton Düsseldorf East Cowes; West Cowes; Isle of Wight East Cowles, Isle of Wight Eastbourne factory and slipway on Southampton Water Factory at Filton, near Bristol, England; flying schools at [[Larkhill]] in Salisbury and at Brooklands. Fishponds, Bristol, England Frankfurt am Main; Berlin-Johannisthal Freshfield, Formby, Merseyside, England Freshfield, Formby, Merseyside, England. Fullham, London, England Gosforth (Tyneside) and ? Gosport Hendon Humber Works, Stoke, Coventry, in the County of Warwick Ipswich, Suffolk, England Kiev King's Lynn, Norfolk and Stroud, Gloucestershire; England Kingston-upon-Thames, Surrey Köln Leeds, England Leighton Buzzard Leiston, Suffolk, Britain Lincoln London London / Hammersmith and Acton London Aerodrome, Collindale Ave, Hendon, England London, England Long Branch (or Long Beach), Toronto, Ontario Longbridge Works, Northfield, Birmingham; also London office; and Liancourt, France (all as of 1920) Manchester; London? many Middlesex Middleton-on-Sea, Bognor Regis, West Sussex, England Mivart St., Bristol, England Mousehold Aerodrome, apparently with offices at Rose Lane Works, both Norwich (plus London office by 1920) Neukölln Newcastle-on-Tyne Nürnberg Odessa; additional factory at Simferopol, 1916 office in Edgware; flying school and place for construction at Hendon office on Cromwell Road, London SW Old Drill Hall, Townshend Road, Richmond, Surrey, England Old Kilpatrick on Clyde estuary Originally at Huntingdon; then slip-way at Sussex County Aero Club, Shoreham, and shed at Shoreham Aerodrome, England originally at Riga, Latvia, Russia; then St. Petersburg, Russia, from mid-1914 Parkside, Coventry, England Peterborough, England Portholme Aerodrome, Huntingdon, England Riga; St. Petersburg Scotland Shoreham, England Siemensstadt (Siemens City) near Berlin, and Vienna, Austria, Budapest, Hungary Southport, Britain St Petersburg, Russia St. Petersburg St. Petersburg; Taganrog; Penza Surbiton Sussex, Southern England The Hyde, Hendon west of Yeovil, England Windermere Wolverhampton, England Woolston, Southampton, England Woolston, Southampton, England; South Farmbridge Woolwich, then Creekmouth; then, 1912, to 110 Cricklewood Lane, N. London; then, 1915, to Claremont Road, Cricklewood, London. Works on Richmond Road and offices on Canbury Park Road, Kingston-on-Thames; sheds/hangars and use of airfield at Brooklands Aerodrome; seaplanes tested on Thames River; giant wartime factory Richmond Road, Ham; all in Surrey, England.