?, might have been Santa Anna, CA 30 Whitehead's Grove, then 10a Elystan St., Chelsea, London, England Adderley Park, Birmingham, England Addlestone, Surrey Addlestone, Surrey, UK Austria Baltimore, MD Bath, NY; relocated to Ithaca, NY, 1914 Battersea, UK Belfast, Ireland Beloit, Wisconsin; Chicago, Illinois Bognor Regis, West Sussex, England Boston, MA Bradford, England Bristol Britain California? Cathcart, Glasgow, Scotland Chelsea; offices apparently on St. James St., London, England Cheltenham, England Chicago, IL Chicago; Galveston Clacton, England Clapham, London; Leagrave, Luton, Bedfordshire. constructed at Polson Iron Works, Toronto; offices appear to have been in New York, NY. Corning, CA; Sacramento, CA Corporate office 66 Broadway, New York City, NY. Plants in Los Angeles, CA; New Brunswick, NJ; and Dayton, OH; flying field at Mineola, Long Island, NY. Coventry Coventry, England Cricklewood, London Crossens, Southport, Lancashire, England Detroit Detroit, MI Dumbarton East Cowes; West Cowes; Isle of Wight East Cowles, Isle of Wight Eastbourne Easton factory and slipway on Southampton Water Factory at Filton, near Bristol, England; flying schools at [[Larkhill]] in Salisbury and at Brooklands. Fenton, MI; Mobile, AL Fishponds, Bristol, England Freeport, Long Island, NY Freshfield, Formby, Merseyside, England Freshfield, Formby, Merseyside, England. Fullham, London, England Girard, Kansas Gosforth (Tyneside) and ? Gosport Grinnell, IA Hendon Humber Works, Stoke, Coventry, in the County of Warwick Hyde Park, Massachusetts Indianapolis, IN Ipswich, Suffolk, England Keyport, NJ; by late 1915, Nutley, NJ. Kiev King's Lynn, Norfolk and Stroud, Gloucestershire; England Kings Park, Long Island, New York Kingston-upon-Thames, Surrey Leavenworth, KS Leeds, England Leighton Buzzard Leiston, Suffolk, Britain Lincoln located in Wilmerding, Pennsylvania 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 Marblehead, Massachuetts 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) near Newark NJ New York City; Hempstead Plains, NY; Larchmont, NY; Bound Brook, NJ; Plainfield NJ New York state Newark, New Jersey Newcastle-on-Tyne Norwich, CT, from 1913; then, 1917, East Greenwich RI. NYC; Elizabeth, NJ NYC; Plainfield, NJ Ocean Terrace and Little Clove Road, Staten Island, NY Odessa; additional factory at Simferopol, 1916 office 1780 Broadway, New York, NY; manufacturing contracted to Queen Aeroplane Co . Fort George, NY. 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 Pasadena, CA Peterborough, England Portholme Aerodrome, Huntingdon, England Riga; St. Petersburg San Francisco Santa Anna, CA, 1911; moved to Griffith Park, Los Angeles, CA, 1912. (must mean Santa Ana) Santa Barbara Savona, New York Savona, NY Scotland Shoreham, England Siemensstadt (Siemens City) near Berlin, and Vienna, Austria, Budapest, Hungary Southport, Britain St Petersburg, Russia St. Louis St. Louis, MO St. Louis, MO, USA; University City, Missouri St. Petersburg St. Petersburg; Taganrog; Penza Stratford, CT Surbiton Sussex, Southern England Temple, TX The Hyde, Hendon Topeka, KS Washington, DC, and Amityville, NY?, west of Yeovil, England Wichita, KS Windermere Wolverhampton, England Woodhaven, NY 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. Woonsocket, RI 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.