Labels which are indented have no illustrations.
Label scans which have been sent in to this site have often been been given black vinyl 'surrounds' to make them match the others; therefore singles which are shown with a serrated ridge around the label may not actually have had that ridge.

CACTUS
CACTUS COUNTRY
C.A.E.
CAEDMON / SSR
CAESARS RECORD PALACE
CALENDAR
CAM (1966-71)
CAM (1979)
CAMBRIAN
CAMBRIDGE UNIVERSITY PRESS
CAMEL
CAMEO
CAMPAIGN
CANAL
CANCER
CANDY
CANNED ROCK
CANON
CAN'T EAT
CANTERBURY
CANTERBURY POP
CAPITOL
CAPITOL SOUL
CAPRI
CAPRICORN (K or 2089 prefix)
CAPRICORN (CCS prefix)
CAREER
CARGO
CARIBANA
CARIBBEAN
CARIB GEMS
CARIBOU
CARIFTA (see 'Eastern Caribbean')
CARNABY
CARNIVAL
CAROUSEL (CAR prefix)
CAROUSEL (MAG prefix)
CARRERE
CASABLANCA
CASINO CLASSICS
CASTLE (CSS prefix)
CASTLE (CAEP prefix)
CASTLE (CAS / CAS EP prefixes)
CASTLETON
CAT
CATHEDRAL (CRL / CRSP prefixes)
CATHEDRAL (CS LP prefix)
CATHEDRAL (DIY)
CA VA
CBS
CC (?)
CCR (?)
CEILIDH
CELEBRATION
CELEBRITY CLUB
CELLS
CERNLUN
CHA CHA
CHALKIE (See DT)
CHANAN JAH
CHANCE
CHANCERY
CHANNEL (RECORDS)
CHANNEL (RECORDING)
CHANTECLAIR / CHANTE CLAIR
CHANTELLS
CHAOTIC
CHAPTER ONE
CHARISMA
CHARITY
CHARLIE'S STABLE
CHARLY
CHARMDALE
CHARMERS
CHARNWOOD
CHART
CHEAPSKATE
CHEBEL CHECK
CHECKMATE CHELSEA
CHERRY RED
CHERUB
CHERUB MUSIC
CHESS
CHESTNUT STUDIOS
CHEVRON
CHILTERN SOUND
CHIMES
CHIPPING NORTON
CHI SOUND
CHISWICK
CHL
CHOPPER
CHRISTIANA
CHRISTY
C. H. RUMBLE
CHRYSALIS
C. H. WOOD
C.I.A.
C.I. AUDIO VISUAL
CIBA
C.I.R. / COMEDY INTERNATIONAL
CIRCLE INTERNATIONAL
CITY (CMEPC prefix)
CITY (Punk)
CITY MUSIC
CITY OF OXFORD ROAD SAFETY ORGANISATION (See 'London Borough Of....')
CJMO
CJV
CJW
CLAN DISC
CLANRYE
CLASSICAL POPS
CLAY FAV
CLEARVIEW
CLEARWATER MICROGROOVE
CLEVELAND
CLEVER
CLEVERLY BROTHERS CLOCKWORK
CLONED
CLOTH CAP
CLOUD ONE
CLUBLAND
CMJ
C.M.P. (Country Music Productions)
CMP (CMP prefix)
CMS (Church Missionary Society)
CMS (Deal)
COASTAL MUSIC STUDIOS
COBRA
COCH
COLLETTE
COLUMBIA
COLUMBIA BLUE BEAT
COLUMN ONE
COMA
COMBINATION
COMEDY INTERNATIONAL / C.I.R.
COME ORGANISATION
COMET
COMPANY
COMPANY / OBLIQUE
COMPANY / REGULAR
CONCERT HALL
CONCORD
CONCRETE JUNGLE
CONFLICT
CONGO
CONTACT
CONTEMPO
CONTEMPO-RARIES
COOL GHOUL
COOL ROCKERS
COSMOPOLITAN
COSMOS
COSSACK
COTILLION
COTSWOLD
COTTAGE
COTTAGE (ALIDA STAR)
COUNTDOWN
COUNTRY
COUNTRY BILL
COUNTRY KIN
COUNTRY GROOVE
COUNTRY HOUSE
COUNTRY SOUNDS
COUNT SHELLY
COUNTY RECORDING SERVICE
COW PIE PRODUCTIONS
CRAB
CRAB AIR
CRAB
CRAIGHALL STUDIOS
CRAIGIE COLLEGE LANGUAGE PROJECT
CRASH
CRASS
CRAZY PLANE
CRAZY RHYTHM
C.R.C. / CRC (Ireland, 1971)
CRC (?) (1970)
CRD
CREAM (CRM prefix)
CREAM (HCS prefix)
CREATION REBEL
CREEPER
CREOLE
CRESS
CREWE
CREZENT
CRIMINAL
CRIMINAL (DIY Punk)
CRIMINAL (Coventry)
CROFT
CROSSOVER
CROSS SECTION
CROTCHET
CROWMIUM
CRUISIN
CRYPTICKS MUSIC
CRYSTAL
CRYSTAL AMBERTONE
CRYSTAL CLEAR (1974)
CRYSTAL CLEAR (1975)
CRYSTAL GROOVE
CRYSTAL PALACE
CSS
CTI
CTJ
CUBE
CUCHULAINN
CUCOON
CULTURAMA
CULTURE
CURTOM
CURZON SOUNDS
CUSTOM
C.V.Y.
CYANAMID
CYGNUS ONE
CYPRUS
CYSORA