 | Ryanair Ltd. | 1985 | 353 |
 | Republic Airlines | 2003 | 139 |
 | REX Regional Express | 2002 | 52 |
 | Rossiya Airlines | 1995 | 50 |
 | Royal Air Maroc | 1953 | 49 |
 | Regional Compagnie Aerienne Europee t/a HOP!-REGIONAL | 1992 | 43 |
 | Royal Jordanian | 1963 | 25 |
 | Regional Jet | 2015 | 15 |
 | Royal Air Force | - | 14 |
 | Rutaca Airlines | 1974 | 11 |
 | Royal Brunei | 1974 | 10 |
 | RwandAir | 2002 | 9 |
 | Royal Jet | 2003 | 7 |
 | Ruili Airlines | 2013 | 7 |
 | Red Wings | 2007 | 5 |
 | Rotana Jet Aviation dba Rotana Jet | - | 4 |
| Royal Netherlands Air Force | - | 3 |
| Royal Falcon | 2007 | 2 |
 | R Airlines | 2013 | 2 |
 | Raya Airways Sdn. Bhd. dba Raya Airways | 2014 | 2 |
| Royal Wings | 1995 | 1 |
| Rizon Jet | 2009 | 1 |
| Rio Linhas Aereas | - | - |
| Richmor Aviation | - | - |
| Real Aero Club de Jerez | - | - |
 | RUS Aviation | - | - |
| RAM Express | - | - |
| Royal Netherlands Navy | - | - |
| Rainbow Cargo Express | - | - |
| Rentavion | - | - |
| Ricardo Hein B (Aerohein) | - | - |
 | Russian Sky Airlines | - | - |
| Republicair | - | - |
| Ryukyu Air Commuter | - | - |
| Russair | - | - |
| RPS System | - | - |
| Raji Airlines | - | - |
| Rosen Aviation | - | - |
| Red Baron Aviation | - | - |
| Royal Rwanda Airlines | - | - |
| Richy Slylark | - | - |
 | Rainbow Airlines (Pvt) Ltd | - | - |
| Rusjet | - | - |
| Red Aviation | - | - |
| Race Cargo Airlines | - | - |
 | Reem Air | - | - |
 | Radixx Solutions International, Inc. | - | - |
| Rog-Air | - | - |
| Royal Canadian Mounted Police | - | - |
| Relief Transport Services | - | - |
| Reignwood Asia Aviation | - | - |
| Rex Regional Express | - | - |
| Rainbow Air | - | - |
| Rotkopf Aviation Italia | - | - |
| Riau Airlines | - | - |
| River Ministries Air Charter Services | - | - |
| Rosneft Baltika | - | - |
| RMC Group Services | - | - |
| Romanian Air Force | - | - |
| Regionalair | - | - |
| Rocky Mountain Airlines | - | - |
| Royal Norwegian Air Force | - | - |
| Ray Aviation | - | - |
 | Rhoades Aviation Inc. | - | - |
 | Redemption Inc. | - | - |
| Redair Luftfahrt | - | - |
| Region Aero | - | - |
| Rectrix Aviation | - | - |
| Rosuertol | - | - |
 | Royal Khmer Airlines | - | - |
| Rossair | - | - |
| Red Wings | - | - |
| Ronso | - | - |
| Russian Federation Air Force | - | - |
| Reynolds Jet Management | - | - |
| Raslan Air Service | - | - |
| Royal Air Inter | - | - |
| Regional Air Services | - | - |
| Royal Zimbabwe Airlines | - | - |
| RA Jet Aeroservicios | - | - |
| Rahila Airlines | - | - |
| Riga Airlines | - | - |
| Regional Geodata Air | - | - |
| Rescue Co-Ordination Centre | - | - |
| RAS | - | - |
| Robex Centre Collecteur / Centro Colector / Collection Centre | - | - |
| Raven Air Ltd. | - | - |
| Rusaero, Center For Civil Aviation Services | - | - |
| Rubystar | - | - |
 | Roblex Aviation | - | - |
| Royal Jordanian Air Force | - | - |
| Ramp 66 | - | - |
 | Rayani Air Sdn Bhd | - | - |
| Rotor Italia S.A.S. Di Vanni Claudio E.C. | - | - |
| Reut Airways | - | - |
| Reef Air | - | - |
| Rivaflecha S.L. (BKS Air) | - | - |
| Rockwell Collins Avionics | - | - |
| Renan | - | - |
| Repetitive Flight Plan Office | - | - |
| Rusich-T | - | - |
| Rio Air Express | - | - |
| Real Aviation | - | - |
| Republic Of Singapore Air Force | - | - |
| Ruta | - | - |
| Rolls Royce | - | - |
| Rimrock Airlines | - | - |
| RWL | - | - |
| Rollright Aviation | - | - |
| Regional Air | - | - |
| RAF-Avia | - | - |
| Royal Air (Gambia) | - | - |
| Raven Air | - | - |
| RKC Progress, Air Company | - | - |
| Rick Lucas Helicopters | - | - |
| Regional Cargo | - | - |
| Royal Air Charter | - | - |
| Richardson's Airway | - | - |
| Rocky Mountain | - | - |
| Redhill Aviation | - | - |
 | Royal Daisy Airlines | - | - |
| Reach Air Medical Services | - | - |
| Real Aeroclub de Lleida | - | - |
| Russian Aircraft Corporation - MIG, Federal Unitary Enterprise | - | - |
| Rockair, Soci�t� | - | - |
| Richland Aviation | - | - |
| Regional Air | - | - |
| Real Aero Club de Reus-Costa Dorada | - | - |
| RG Aviation | - | - |
| Rio Airways | - | - |
| Real Aerolub de Malaga | - | - |
| Red Cross | - | - |
| River State Government of Nigeria | - | - |
| Raven Air | - | - |
| Rader Aviation | - | - |
| Real Aeroclub de Tenerife | - | - |
| Rely | - | - |
| Rocky Mountain Airways | - | - |
| Rolls Royce | - | - |
| Rivne Universal Avia | - | - |
| Rea Sea Aviation | - | - |
| Royal Air Force Of Oman | - | - |
| Rebus | - | - |
| Royal Navy | - | - |
| RAF Gliding Squadron (SLG) | - | - |
| Ravn Connect | - | - |
| Rangemile | - | - |
| Rabbit-Air | - | - |
| Ruili Jingcheng Helicopters | - | - |
| Reliant Air Charter | - | - |
| Royal American Airways | - | - |
| Rossair | - | - |
| Red Devils Parachute Display Team | - | - |
| Roswell Airlines | - | - |
| Ronnair | - | - |
| Real Aero Club de Baleares | - | - |
| Riga Aeroclub | - | - |
| Rodze Air | - | - |
 | Royal Flight of Oman | - | - |
 | Royal Airlines | - | - |
| Richards Aviation | - | - |
| Romavia | - | - |
| RAM Aircraft Corpration | - | - |
| Revilo Aerospace | - | - |
| Royal New Zealand Air Force | - | - |
| Real Aeroclub de Gran Canaria | - | - |
| Rumugu Air & Space Nigeria | - | - |
| RAF St. Mawgan Search And Rescue | - | - |
| Redding Aero Enterprises | - | - |
| RVL Aviation | - | - |
| Roraima Airways | - | - |
| Rizon Qatar | - | - |
| Royal Air Cargo | - | - |
| Renown Aviation | - | - |
| Raytheon Aircraft Company | - | - |
| Rynes Aviation | - | - |
| RAF-HQSTC (Air Transport) | - | - |
| Ryazanaviatrans | - | - |
| Real Aero Club De Vizcaya | - | - |
| Royal Oman Police | - | - |
| Reliance Aviation | - | - |
 | Rico Linhas Aereas - RLA | - | - |
 | Republic Express Airlines | - | - |
| Red Arrows Display Squadron | - | - |
| Rio Baker | - | - |
| Real Aeroclub Zaragoza | - | - |
| Royal Malaysian Air Force | - | - |
| Regency Air | - | - |
| Royal Bahrain Airlines | - | - |
 | Rich International Airways | - | - |
| Royal Australian Air Force | - | - |
| Rotorsun | - | - |
| Royal Saudi Air Force | - | - |
 | Republic Airline Inc.. | - | - |
| Resort Air | - | - |
| Romaero | - | - |
| Ryan Air | 1953 | - |
| Royal Bengal Airways | 2006 | - |