OKB-458 – Chetverikov OKB-478 – Ivchenko OKB-575 – Kovrov OKB-586 – Yangel OKB-692 – JSC "Khartron" (formerly KB electropriborostroeniya, then NPO "Electropribor") OKB-794 – Leninets OKB-938 – Kamov See also Defense industry of Russia References External links Factories, Research and Design Establishments of the Soviet Defence Industry: a Guide. University of Warwick, Department of Economics. Aviation.ru - "OKBs" Science and technology in the Soviet Union Science and technology in Russia Technological races ru:Список конструкторских бюро СССР и России