The Soviet Union assigned numbered designations to many defense plants, so surviving public references often identify production by plant number rather than by a commercial manufacturer name. For the KS-19 family, Ukrainian National Defence University records total production of 10,151 guns of several modifications from 1948 to 1955 and breaks out KS-19/KS-19M production at the evacuated Leningrad Arsenal capacity at Plant No. 8 and at Plant No. 235.
Plant No. 8 was also the design and industrial setting for L. V. Lyulyev's heavy anti-aircraft artillery work. MZiK's official successor history records the Plant No. 8 designation in 1928, wartime evacuation to Sverdlovsk, more than 20,000 wartime guns, and a 1957 shift away from barrel artillery toward guided anti-aircraft missiles. GlobalSecurity identifies OKB-8 as created in 1947 from the chief designer department of the M. I. Kalinin Plant No. 8.
Plant No. 235 appears in KS-19 production references as the second major Soviet plant in the family. Contemporary open sources are stronger for system production than for a single corporate narrative, so the manufacturer context is best read as Soviet state arsenal production across numbered plants rather than as one private firm.
anti-aircraft artillerycoastal-defense artillerySoviet numbered-plant productionheavy gun design and serial manufacture
This is a defunct Soviet state-production grouping, not a single surviving firm. Public sources are strongest for the KS-19 and KSM-65 systems, the Plant No. 8 and Plant No. 235 production attributions, and the Plant No. 8 / OKB-8 lineage; a single official website for the combined Soviet-era grouping does not exist.