[masklinn]

Technically two other companies also did:

- Kuznetsov Design Bureau, now JSC Kuznetsov, designed the NK-144 which powered the Tu-144S

- Kolesov Design Bureau, now NPO Saturn, designed the RD-36-51 which replaced the NK-144 in the Tu-144D

Both are now under the UEC state-owned group.

[hef19898]

The aerospace industry of the USSR is something, isn't it? Fun fact, they used the metric system for everything, including flight controls. Was, aparently, quite a problem for all countries that continued to use Soviet aircraft after they joined NATO.