AUSTRALIA

  1. COBRA AVIATION

  2. CANADA

  3. CLASS
  4. CREATIVE FLIGHT
  5. CUSTOM FLIGHT

  6. CHINA

  7. CHANGHE AIRCRAFT INDUSTRY GROUP
  8. CHENGDU AIRCRAFT INDUSTRY GROUP
  9. CHINA AVIATION INDUSTRY CORPORATION
  10. CHINESE HELICOPTER RESEARCH AND DEVELOPMENT INSTITUTE

  11. CZECH REPUBLIC

  12. CZECH AIRCRAFT WORKS s.r.o

  13. FRANCE

  14. CAP AVIATION

  15. GERMANY

  16. C+C FLYING GmbH

  17. INDIA

  18. COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH

  19. ITALY

  20. COSTRUZIONI AERONAUTICHE TECNAM Srl

  21. MALAYSIA

  22. COMPOSITES TECHNOLOGY RESEARCH MALAYSIA SDN BHD

  23. RUSSIA (USSR)

  24. CAHI
  25. CCB
  26. CHERANOVSKII
  27. CHERNOV
  28. CHETVERIKOV
  29. CHKALOV
  30. ChUR

  31. SPAIN

  32. CONSTRUCCIONES AERONAUTICAS DE GALICIA
  33. CONSTRUCCIONES LIGERAS Y AERONAUTICAS SL
  34. CONSTRUCCIONES AERONAUTICAS SA

  35. SWITZERLAND

  36. COMTE

  37. UNITED KINGDOM

  38. CAMERON
  39. CFM
  40. CHILTON

  41. UNITED STATES

  42. CAIN
  43. CAIRNS
  44. CALIFORNIA HELICOPTER
  45. CALIFORNIA MICROWAVE
  46. CALL
  47. CALSPAN
  48. CALYPSO
  49. CAMA
  50. CAMAIR
  51. CAMAIR
  52. CAMERON
  53. CAMMACORP
  54. CAPELIS
  55. CAPITAL
  56. CAPITAL HELICOPTER CORPORATION
  57. CAPITOL
  58. CAPITOL COPTER CORPORATION
  59. CARLSON
  60. CARMA
  61. CAROTHERS
  62. CARR
  63. CARSON
  64. CARSTEDT
  65. CARTER
  66. CASSUTT
  67. CAVALIER
  68. CAVENAUGH
  69. CENTRAL-LAMSON
  70. CENTRAL STATES
  71. CESSNA
  72. CHADWICK
  73. CHAMBERS
  74. CHAMPION
  75. CHAMPION AIRCRAFT CORPORATION
  76. CHAMPION, KENNETH R.
  77. CHASE
  78. CHESTER
  79. CHODAN
  80. CHRISTEN
  81. CHRIS TENA
  82. CHRISTMAS
  83. CHRYSLER
  84. CHURCH
  85. CIRRUS
  86. CLARK
  87. CLASSIC
  88. CLEARY
  89. CLYDE V. CESSNA AIRCRAFT
  90. COLDEN
  91. COLEMILL
  92. COLGATE
  93. COLLINS
  94. COLONIAL
  95. COMMADAIRE
  96. COMMAND-AIRE
  97. COMMANDER
  98. COMMERCIAL
  99. COMMUTER
  100. COMPOSITE
  101. COMTRAN
  102. CONDOR
  103. CONROY
  104. CONSOLIDATED
  105. CONSOLIDATED AERONAUTICS INC
  106. CONTINENTAL
  107. CONTINENTAL COPTERS INC
  108. CONTINENTAL INC
  109. CONVAIR
  110. COOK
  111. CORBEN
  112. CORCORAN
  113. CORNELIUS
  114. COSER-OONK
  115. COSMIC
  116. COTTER
  117. COURIER
  118. COX
  119. COX-KLEMIN
  120. CRAWFORD
  121. CROSLEY
  122. CROUCH-BOLAS
  123. CROWN
  124. CRUSADER
  125. CUB CRAFTERS
  126. CULP'S
  127. CULVER
  128. CUNNINGHAM-HALL
  129. CURTISS
  130. CURTISS-CAPRONI
  131. CUSTER
  132. CVJETKOVIC