1.   Moscow Railways – subsidiary of Russian Railways
2.   Northern Railways - subsidiary of Russian Railways
3.   October Railways - subsidiary of Russian Railways
4.   Gorky Railways - subsidiary of Russian Railways
5.   „Petro Tex Limited”
6.   AS „Skinest Rail”
7.   The Company „TransOil”
8.   SC Lithuanian Railways
9.   Navoi GMK
10. UAB „Lokomotivy Servisas”
11. Belarus Railways
12. Latvian Railways (LDZ)
13. SIA «Lokomotiv remont servis»
14. SIA „Skinest Latvija”
15. SIA „Skinest SPb”
16. SIA "Teplovoz servis"
17. SIA "Lokomotiv remont zavod tranzit"