Since I did one for Liverpool, I thought I would post one here for Manchester as well
Not complete yet but I'll keep updating
Monarch - 7 based (1x A320, 5x A321 & 1x A330)
G-ZBAG - based since
G-ZBAE - based since 17/01
G-OZBE - based since 24/01
G-OZBL - based since 26/12
G-OZBS - based since 17/12
G-OZBX - based since 06/01
G-SMAN - based since 24/01
Jet2 - 8 based (2x B737-300, 4x B737-800 & 2x B757-200)
G-GDFJ - based since 28/10
G-GDFF - based since 11/12
G-LSAE - based since 29/12
G-LSAN - based since 05/01
OK-TSA - based since 10/01
G-GDFD - based since 11/01
G-GDFB - based since 23/01
G-CELC - based since 25/01
EasyJet - 8 based (3x A319 & 5x A320)
G-EZWM - based since 21/10
G-EZWH - based since 27/12
G-EZGH - based since 29/12
G-EZTF - based since 05/01
G-EZWD - based since 06/01
G-EZFM - based since 18/01
G-EZTR - based since 20/01
G-EZBT - based since 21/01
Thomas Cook
G-DHJH
G-FCLD
G-TCBB
G-MDBD
G-JMAA
G-CHTZ
Thomson
G-BYAX
G-TAWJ
G-TAWN
G-FDZX
G-OOBH
G-CPEU
G-TUIA
G-OOBL
Flybe
G-FBJA
G-FBJC
G-FBEN - based since 19/01
G-ECOA
Ryanair - 6 based B737-800s
EI-DAM
EI-DPJ
EI-EBY
EI-DCZ
EI-ESO
EI-EVF
Virgin Atlantic - 2 based B747-400s
G-VXLG - based since 23/01
G-VROS - based since 24/01
Also Not officially based but doing the Little Red flights at the moment:
EI-DEO - operating MAN-LHR-MAN since 24/01
Hope this helps