AERO-ALPHABET - Ek

Ekin (W. H. Ekin (Engineering) Company)
Ekin Airbuggy

Eklund (Torolf Eklund)
Eklund TE-1

Ekolot (PPHU Ekolot - Krosno, Poland) {ErZ}
Ekolot JK-01A Elf
Ekolot JK-05L Junior
Ekolot KR-030 Topaz

Ekonomov
Zhiroplan

Ekström (Staffan W. Ekström)
Ekström Humlan 2

EKW (Eidgenössische KonstruktionsWerkstätte - English: Swiss Federal Constructions Works / Eigenössische Flugzeug Werke - EFW) {ErZ}
EKW C-35
EKW C-3600
EKW C-3602 (prototype . 2 built)
EKW C-3603 (10 built)
 - C-3603-1 (148 built - later 60 units (at least) converted to target tugs)
 - C-3603-1 TR (2 built)
EKW C-3604 (engine - Saurer YS-2) (13 built)
EKW D-3800
EKW D-3801
EKW D-3802
EKW D-3803
EKW MA-7 (Militär Apparat 7 - MA-7)
F+W C-3605 (engine - Lycoming T53) (24 units converted from EKW C-3603.1)