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 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. constructed at Polson Iron Works, Toronto; offices appear to have been in New York, NY. Copenhagen Coventry Coventry, England Cricklewood, London Crossens, Southport, Lancashire, England Dumbarton 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 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 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) Newcastle-on-Tyne 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.