JSC Design Bureau for Special Machine-Building (KB SM; Russian: КБ СМ, Конструкторское бюро специального машиностроения) is a Soviet-Russian space rockets industry enterprise.

KB SM developed and produced a number of launch systems for air defence, Navy and Strategic Missile Troops.

7739 on March 8, 1945, under the name Naval artillery central design bureau - MATsBK (Russian: МАЦКБ, Морское артиллерийское центральное конструкторское бюро), it was the Leningrad branch of Grabin's Central Artillery Design Bureau.

34 (CKB-34) and since 1966 as KBSM (Design bureau of mechanization, Russian: Конструкторским бюро средств механизации).

The organization designs (develops) and participates in the manufacture, installation and operation: This Russian corporation or company article is a stub.