There are many. But here is a list i found "Top 100 Aerospace Companies" Boeing$81.7 billion 80% twitter-bird-white-on-blue linkedin EADS $74.8 billion 59% twitter-bird-white-on-blue linkedin Lockheed Martin $47.2 billion 81% twitter-bird-white-on-blue linkedin General Dynamics $31.5 billion 53% linkedin United Technologies $29.1 billion 50% twitter-bird-white-on-blue linkedin Northrop Grumman $28.1 billion 68% twitter-bird-white-on-blue linkedin Raytheon $24.4 billion 53% twitter-bird-white-on-blue linkedin Finmeccanica $20.2 billion 35% twitter-bird-white-on-blue linkedin General Electric $20.0 billion 89% twitter-bird-white-on-blue linkedin Safran $15.9 billion 54% twitter-bird-white-on-blue linkedin Rolls-Royce $13.7 billion 56% twitter-bird-white-on-blue linkedin Honeywell $12.0 billion 51% twitter-bird-white-on-blue linkedin L-3 $11.8 billion 53% linkedin Textron $9.12 billion 79% twitter-bird-white-on-blue linkedin BAE Systems $8.73 billion 81% twitter-bird-white-on-blue linkedin Bombardier $8.63 billion 53% twitter-bird-white-on-blue linkedin Embraer $6.18 billion 44% twitter-bird-white-on-blue linkedin Thales $5.83 billion 64% twitter-bird-white-on-blue linkedin Mitsubishi Heavy Industries $5.53 billion 42% linkedin Precision Castparts $5.47 billion 43% linkedin Spirit Aerosystems $5.40 billion 49% twitter-bird-white-on-blue linkedin Dassault Aviation $5.22 billion 71% twitter-bird-white-on-blue linkedin Rockwell Collins $4.73 billion 56% twitter-bird-white-on-blue linkedin Zodiac $4.56 billion 55% twitter-bird-white-on-blue linkedin MTU Aero Engines $4.48 billion 42% twitter-bird-white-on-blue linkedin Harris $3.99 billion 74% twitter-bird-white-on-blue linkedin Ishikawajima-Harima $3.85 billion 39% Alcoa $3.80 billion 58% twitter-bird-white-on-blue linkedin Triumph $3.70 billion 28% twitter-bird-white-on-blue linkedin Israel Aerospace $3.40 billion 41% linkedin Alliant Techsystems $3.21 billion 73% twitter-bird-white-on-blue linkedin Avio $3.12 billion 23% twitter-bird-white-on-blue linkedin Hindustan Aero $3.10 billion 26% linkedin Elbit Systems $2.89 billion 38% twitter-bird-white-on-blue linkedin Kawasaki Heavy Industries $2.75 billion 57% linkedin Cobham $2.70 billion 69% twitter-bird-white-on-blue linkedin AVIC $2.66 billion 11% Exelis $2.60 billion 53% twitter-bird-white-on-blue linkedin Meggitt $2.48 billion 31% twitter-bird-white-on-blue linkedin GKN $2.45 billion 46% linkedin BBA Aviation $2.18 billion 28% twitter-bird-white-on-blue linkedin Teledyne $2.13 billion 45% linkedin Parker Hannifin $2.10 billion 78% twitter-bird-white-on-blue linkedin B/E Aerospace $2.09 billion 36% twitter-bird-white-on-blue linkedin CAE $2.04 billion 58% twitter-bird-white-on-blue linkedin Esterline $2.00 billion 28% Eaton $1.72 billion 66% twitter-bird-white-on-blue linkedin Transdigm $1.70 billion 27% linkedin RUAG $1.67 billion 38% linkedin ATI $1.62 billion 36% linkedin Irkut $1.53 billion 38% linkedin SAAB $1.49 billion 41% twitter-bird-white-on-blue linkedin ST Engineering $1.49 billion 40% Orbital Sciences $1.44 billion 60% twitter-bird-white-on-blue linkedin Korea Aerospace $1.39 billion 60% twitter-bird-white-on-blue linkedin MOOG $1.32 billion 45% twitter-bird-white-on-blue linkedin Hexcel $1.30 billion 51% twitter-bird-white-on-blue linkedin Kongsberg $1.26 billion 49% twitter-bird-white-on-blue linkedin Ultra Electronics $1.18 billion 35% linkedin Chemring $1.14 billion 49% twitter-bird-white-on-blue linkedin Fokker Technologies $1.02 billion 49% twitter-bird-white-on-blue linkedin Fuji Heavy $1.02 billion 34% Diehl Aerosystems $1.01 billion 73% linkedin Gencorp $986 million 31% linkedin Heico $897 million 40% linkedin Woodward $896 million 52% twitter-bird-white-on-blue linkedin MDA $880 million 24% twitter-bird-white-on-blue linkedin Cytec $877 million 44% linkedin Ball $877 million 68% twitter-bird-white-on-blue linkedin Amphenol $815 million 42% twitter-bird-white-on-blue Lisi $784 million 27% linkedin ITP $770 million 37% linkedin Latecoere $770 million 31% linkedin Senior $726 million 32% Aernnova $707 million 40% linkedin Crane $701 million 50% twitter-bird-white-on-blue linkedin Firth Rixson $690 million 39% twitter-bird-white-on-blue linkedin Aeroflex $673 million 43% twitter-bird-white-on-blue linkedin Curtiss-Wright $671 million 41% linkedin Magellan $640 million 25% linkedin Indra $613 million 24% twitter-bird-white-on-blue linkedin Jamco $586 million 20% Kaman $581 million 64% twitter-bird-white-on-blue Pilatus $568 million 48% linkedin SKF $537 million 45% twitter-bird-white-on-blue linkedin FLIR Systems $486 million 51% twitter-bird-white-on-blue linkedin Asco $384 million 38% twitter-bird-white-on-blue linkedin Sonaca $370 million 32% twitter-bird-white-on-blue linkedin Elettronica $358 million 13% linkedin Marshall Aerospace $355 million 47% twitter-bird-white-on-blue linkedin Denel $326 million 41% twitter-bird-white-on-blue linkedin Doncasters $317 million 30% linkedin ITT $312 million 46% twitter-bird-white-on-blue linkedin Ducommun $310 million 41% linkedin Garmin $292 million 80% twitter-bird-white-on-blue linkedin Martin-Baker $275 million 53% twitter-bird-white-on-blue linkedin Heroux Devtek $249 million 35% twitter-bird-white-on-blue linkedin Terma $203 million 55% twitter-bird-white-on-blue linkedin Aciturri $192 million 34% linkedin Circor $141 million 37% twitter-bird-white-on-blue linkedin