DOO:
Southeastern: Most metro services. HS must carry a second member of staff but is DOO for dispatch purposes. Mainline is driver dispatch close to London but carries a guard. DGO away from London.
GTR: Most former Southern metro services, plus London-Brighton. All former FCC services. All former GX services.
FGW: Banbury-paddington, Reading-bedwyn, Henley branch, Bourne End-Maidenhead (not Marlow), Windsor branch, Greenford Branch. No HSTs (obviously!).
Heathrow Express/Connect: All services
Chiltern: All services except north of Banbury and Ruislip-paddington. Not on 68 + DVT or 121.
London overground: All services
Greater Anglia: All West Anglia services. All 321/360 operated services except Southminster and Braintree branches (only certain longer services carry guards), Colchester Town-Clacton/Walton, Manningtree-Harwich, North of Ipswich.
Crossrail: All services
C2c: All services except 12 cars, with those due to go DOO shortly if not already.
Scotrail: All EMU operated services, except Glasgow-edinburgh via Carstairs, Edinburgh - North Berwick/Dunbar.