When I show several logos for a same lens, it means that I have several ones coming from different places.Sources:http://www.zenitcamera.com/qa/qa-logos.htmlhttp://cccpcamera.photo-web.cc/RussianCamera/Kaisetsu/FACTORY/FACTORY.html+Google automatic translation.
KMZKrasnogorski mekhanicheski zavodKrasnogorsk (suburbs of Moscow)
LZOSLytkarinskii zabod opticheskogo cteklaLytkarino (near Moscow)
ZOMZZagorski optiko mekhanicheski zavodZagorsk
JupiterJupiter opticsValdai (between Moscow and Leningrad (St Petersburg))
KOMZKazanski optiko mekhanicheski zavodKazan (Tatarstan)
VOMZVologodski optiko mekhanicheski zavodVologda
GOMZGosudarstvennyi optiko mekhanicheski zavod. Became LOMO.Leningrad (St Petersburg).
LOMOLeningradskoye optiko mechanichesckoye obyedinenieLeningrad (St Petersburg)
VibratorZavod vibratorLeningrad (St Petersburg)
FEDKharkov machinery plant "FED" (Felix Edmundovitch Dzerzhinsky)Kharkov (Ukraine)
ARSENALZavod arsenalKiev (Ukraine)
BeLOMO (MMZ)Minski mekhanicheski zavod Minsk (Belarus)
BeLOMOOptiko-mekhanicheskoe republikanskoe unitarnoe predpriyatie "Zenit"Vileyka (Belarus)
URSS Quality LogoThis is not a factory logo, it's a quality mark rewarding some products(not only for photography)