There are many companies who manufacture private jets. Below are a list of the most popular jets and their manufacturers:
Airbus
Airbus A319CJ
Boeing
Boeing Business Jet
Bombardier
Bombardier Challenger
Bombardier Challenger 605
Bombardier Global 5000
Bombardier Global Express
Bombardier Learjet
Learjet 23
Learjet 24
Learjet 25
Learjet 28
Learjet 29
Learjet 31
Learjet 35
Learjet 36
Learjet 40
Learjet 45
Learjet 55
Learjet 60
British Aerospace
British Aerospace BAe 125
Cessna
Cessna 500 Citation I
Cessna 501 Citation ISP
Cessna 510 Citation Mustang
Cessna 525 CJ1
Cessna 525A CJ2
Cessna 525B CJ3
Cessna 550 Citation II
Cessna 550 Citation Bravo
Cessna 551 Citation IISP
Cessna S550 Citation SII
Cessna 560 Citation V, Citation Ultra, Citation Encore, Citation Encore+
Cessna Citation 560XL Excel, XLS, XLS+
Cessna 620
Cessna 650 Citation III, Citation VI, Citation VII
Cessna 680 Citation Sovereign
Cessna 750 Citation X
Israeli Aircraft Industries
IAI Astra
IAI Westwind
IAI Galaxy
Dassault
Falcon 10 and 100
Falcon 20 and 200
Falcon 30
Falcon 50
Falcon 900
Falcon 2000
Falcon 7X
Eclipse Aviation
Eclipse 500
General Dynamics
Gulfstream II
Gulfstream III
Gulfstream IV
Gulfstream V
Gulfstream G100
Gulfstream G150
Gulfstream G200
Gulfstream G350/G450
Gulfstream G500/G550
Gulfstream G500/G550
Gulfstream G450
Gulfstream G650
Hawker Beechcraft
Beechcraft Premier I
Beechjet 400
Hawker 800
Hawker 4000
Lockheed
Lockheed JetStar
Hamburger Flugzeugbau
HFB-320 Hansa Jet