Canada

Bombardier Aerospace CD/BBA Challenger 650 C-GZKL (2017) 　 Chartright Air Group - /HRT Challenger 850 C-FVPF (2010) 　 LAS - London Air Services,Ltd Challenger 604 C-GGBL (2006)

Federal Republic of Germany

Air Alliance Group,GmbH - /AYY Challenger 604 D-ATWO (2021) 　 Robert Bosch,GmbH Challenger 605 HB-JGT (2008)

Grand Duchy of Luxembourg

Global Jet Luxembourg,S.A. - /SVW Challenger 604 LX-ZAV (2010)

Hong Kong

GFS - Hong Kong Government Flying Service - /HKG Challenger 605 B-LVB (2018) 　 Jet Aviation Business Jets Hong Kong,Ltd Challenger 604 B-LLL (2007) Challenger 605 VP-CLJ (2010) 　 Metrojet,Ltd - /MTJ Challenger 604 B-LBL (2010) Challenger 605 B-LOL (2013) 　 TAG Aviation Asia - /TBJ Challenger 605 M-AAES (2015) Challenger 850 M-DWWW (2014) M-HLAN (2014) M-LILY (2019)

Lao People's Democratic Republic

Vientiane Asset Management Sole,Co.Ltd Challenger 604 T7-MBA8 (2025)

Macau

Galaxy Entertainment Group Challenger 850 VP-BNY (2017) 　 Jet Asia,Ltd Challenger 601-3R B-MAC (2005) Challenger 850 N888AU (2010)

Malaysia

Hornbill Skyways - /VIS Challenger 605 9M-ATM (2012)

People's Republic of China

BAA - Business Aviation Asia - /UNA Challenger 605 B-3566 (2015) Challenger 850 B-3563 (2015) 　 Donghai Jet,Co.Ltd - /EPB Challenger 605 B-7761 (2026) 　 Hao Sheng International,Co.Ltd Challenger 605 N605PS (2013) 　 HT Lifeng Challenger 605 B-7796 (2015) 　 Sino Jet Management,Ltd - /SJM Challenger 605 B-3566 (2019) 　 Tiancheng Business Aviation,Co.Ltd Challenger 605 B-7769 (2014) 　 ZYB Lily Jet - /MZT Challenger 604 B-7696 (2011) CRJ-200ER B-7695 (2011)

Republic of Austria

Gerhard Berger,GmbH Challenger 604 VP-CJB (2006) 　 Jetalliance Flugbetriebs,AG - /JAG Challenger 604 OE-IMB (2005) 　 Vistajet Luftfahrtunternehmen,GmbH - /VJS Challenger 605 OE-ING (2013) OE-INP (2009) OE-INS (2015) Challenger 850 OE-ILV (2010) OE-ILZ (2014)

Republic of Bulgaria

Air Lazur - /LZR Challenger 604 LZ-YUP (2010)

Republic of Indonesia

PT.Jet Eksekutif Travya - /CEO Challenger 850 PK-KAS (2025) 　 PT Metropolis Propertindo Utama Challenger 604 N787LG (2016)

Republic of Kazakhstan

Comlux Aviation Kazakfstan - /KAZ Challenger 850 UP-C8505 (2026) Challenger 870 UP-CL001 (2010)

Republic of Malta

Vistajet,Ltd - /VJT Challenger 605 9H-VFB (2024) 9H-VFE (2025) 9H-VFF (2024) 9H-VFH (2017)

Republic of the Union of Myanmar

FMI Air ND/FMI CRJ-100SE XY-AGW (2015)

Swiss Confederation

Swiss Air Ambulance,Ltd - /SAZ Challenger 604 HB-JRA (2005) 　 TAG Aviation,S.A. FP/FPG Challenger 605 A9C-ACE (2013)

Taiwan

Waterpark Holdings,Ltd Challenger 605 N818AC (2014)

United Arab Emirates

Empire Aviation Group - /MJE Challenger 604 A6-MBH (2011)

United Kingdom of Great Britain and Northern Ireland

TAG Aviation (UK),Ltd - /VIP Challenger 601-3R G-FBFI (2005) Challenger 604 G-DGET (2005) G-REYS (2004) Challenger 605 G-LCDH (2013) Challenger 850 G-RADY (2013)

United States of America

Alltech,Inc. Challenger 604 N310TK (2006) 　 Bombardier Aerospace,Corp. Challenger 604 N604CC (2004) 　 Challenger Administration,LLC Challenger 604 N194WM (2007) 　 Eastman Kodak Co. Challenger 604 N343K (2004) 　 Executive Jet Management,Inc. - /EJM Challenger 604 N604B (2009) 　 Federal Aviation Administration - FAA - /NHK Challenger 601-3R N87 (2006) 　 Freeman Air Charter Services Challenger 601-3R N224F (2012) 　 Hawkjet,Ltd Challenger 604 N720AS (2007) 　 L Brands,Inc. Challenger 605 N605CL (2014) 　 Liberty Media,Corp. Challenger 601-3A N710LM (2010) 　 Loft Shine,Ltd Challenger 605 N828TK (2025) 　 Maples Corporate Service,Ltd Challenger 605 N8888G (2010) 　 MBG,LLC Challenger 601-3A N23SB (2006) 　 OM Manufacturing,Inc. Challenger 650 N312JE (2022) 　 Red Line Air,LLC Challenger 601-3A N898AK (2004) 　 Wells Fargo Bank NW NA. Challenger 604 N789SM (2015) 　 75 Express,Inc. Challenger 604 N275KH (2026)