It's Tumenskie Motorostroitel. Not to be confused with Tumansky.

- It builds general machinery, as it is also a JSC. It makes the RU-19-300 and R-27V engines.

From Appendix 6: The RU-19-300 engine we have now obtained is not shown in the main text.

“RU-19-300 Engine”

- This is an auxiliary power engine that was installed on the Antonov An-26 aircraft.