| DELAG - Deutsche Luftschiffahrts Aktien Gesellschaft - Germany
(1909-1920) |
| Compagnie Generale Transaerienne - France (1909-1923) |
| Grahame-White Aviation - United Kingdom (1911-1911) |
| Milano - Posta Aerea - Italy (1911-1911) |
| Santa Catalina Island Air Line - USA (1912-1912) |
| Norsk Flyveselskap - Norway (1912-1937) |
| St.Petersburg-Tampa Airboat Line - USA (1914-1914) |
| Christofferson Air Ferry - USA (1914-1930) |
| Aircraft Transport and Travel - United Kingdom (1916-1920) |
| DLR - Deutsche Luft Reederei - Germany (1917-1923) |
| Canterbury Aviation Company - New Zealand (1918?-?) |
| DDL Danske Luftfartelskab - Denmark (1918-1946) |
| Det Norske Luftfartrederi - Norway (1918-1920) |
| Anglo Continental Cairo and Eastern States Air Routes, Ltd.
- United Kingdom (1918-?) |
| Eastern Aerial Services Ltd. - United Kingdom (1918-?) |
| Anglo American Aerial Services Ltd. - United Kingdom (1918-?)
|
| First British and International Aerial Navigation Co., Ltd.
- United Kingdom (1918-?) |
| London and Provincial Aerial Services Ltd. - United Kingdom
(1918-?) |
| CEMA - Compagnie Espagne Maroc Algerie - France (1918-1933) |
| Societa Aerei Trasporti Internazionali - Italy (1918?-?) |
| Taxi-Plane Ltd. - United Kingdom (1918-?) |
| Whitecraft Aerial Transport Ltd. - United Kingdom (1918-?) |
| Nordisk Luftkraft - Norway (1918-1920) |
| Compagnie des Messageries Aeriens - France (1919-1923) |
| Les lignes aeriennes Farman - France (1919-?) |
| SCADTA - Columbia (1919-1941) |
| Mercury Air Service - USA (1919-1921) |
| Larkin-Sopwith Aviation Co. of Australasia - Australia (1919-1937) |
| Handley Page Transport - United Kingdom (1919-1924) |
| Aeromarine West Indies Airways - USA (1919-1920) |
| Svenska Lufttrafik - Sweden (1919-?) |
| Ad Astra Aero
- Switzerland (1919-1931) |
| Rumpler Luftverkehrs - Germany (1919-1922) |
| Bayerischer Luft-Lloyd - Germany (1919-192?) |
| Aero-Lloyd - Germany (1919-192?) |
| Aero Limited - USA (1919-?) |
| Handley Page Indo-Burmese Transport - India (1919-?) |
| C.A.C. - Compania Aerea Cubana - Cuba (1919-1921) |
| S.N.E.T.A. - Belgium (1919-1923) |
| Aeromarine West Indies Airways - USA (1919-1923) |
| Instone Airline - United Kingdom (1919-1924) |
| Chaplin Air Lines - USA (1919-1919) |
| Compania Aero Maritima Mallorquina - Spain (1920-?) |
| Compagnie des Grands Express Aeriens - France (1920-?) |
| Societe Generale de Transports Aeriens - France (1920-?) |
| C.E.T.A.- Compania Espanola de Trafico Aereo - Spain (1920-1928) |
| Florida West Indies Airways - USA (1920-1921) |
| Bluebird Air Line - Canada (1920-?) |
| Seattle-Victoria Air Mail Line - USA (1920-1928) |
| Lloyd Ostflug - Germany (1920-1922) |
| MAEFORT - Hungary (1920-1921) |
