- S02, inactive – NRS, Bulgaria
- S02a, inactive – NRS, Bulgaria
- S02c, inactive – NRS, Bulgaria
- S02d, inactive – NRS, Bulgaria
- S03, inactive – MI, Czech Republic
- S04, incative – NRS, Bulgaria
- S05, inactive – StB, Czechoslovakia
- S05a, inactive – StB, Czech Republic
- S05b, incative – ÚZSI, Czechoslovakia
- S05 – GRU, Russia
- S06a, inactive – GRU, Russia
- S06b – GRU, Russia
- S06c – GRU, Russia
- S06d, inactive – GRU, Russia
- S06e – GRU, Russia
- S06f, inactive – GRU, Russia
- S06s – SVR?, Ukraine?
- S07, inactive – SVR, Russia
- S07a, inactive – SVR, Russia
- S07b, inactive – SVR, Russia
- S07c, inactive – SVR, Russia
- S08, inactive – UDBA, Yugoslavia
- S09, inactive – UOP, poland
- S10, inactive – VKR, Czechoslovakia
- S10a, inactive – VKR, Czechoslovakia
- S10b, inactive – VKR, Czechoslovakia
- S10c, inactive – VKR, Czechoslovakia
- S10d, inactive – MI, Czechoslovakia
- S10e, inactive – VKR, Czechoslovakia
- S11, inactive – AW, Poland
- S11a – AW, Poland
- S11b, inactive – AW, Poland
- S13 – Military, Russia
- S14 – Military, Russia
- S15, inactive – StB, Czech Republic
- S16, inactive – ÚZSI, Czechoslovakia
- S17, inactive – VKR; Czech Republic
- S17a, inactive – VKR, Czech Republic
- S17b, inactive – VKR, Czech Republic
- S17c, inactive – VKR, Czech Republic
- S21, inactive – Military, Russia
- S25, inactive – GRU, Russia
- S25a, inactive – GRU, Russia
- S25b, inactive – GRU, Russia
- S25c, inactive – GRU, Russia
- S26, inactive – SB, Poland
- S28 – Military, Russia
- S30 – Military, Russia
- S31, inactive – Army, Czech Republic
- S32 – Military, Russia
- S5292 – Military, Russia
- S5330 – Military, Russia
- S5426 – Military, Russia
- S6930 – Military, Russia
- S906b – GRU, Russia
- SK01, inactive – DGI, Cuba
For a better world.
