Independent label: Dodgy Demo Co Records was an SGS Studios label. The Damned catalogue / matrix number belonged to a series used by SGS Studios of South London. Records bearing matrix numbers in its SGS-100 series date from 1978 to 1980; most of the ones have had plain white labels which were then rubber-stamped, stickered or otherwise marked by the bands themselves.  The one most commonly happened upon is the Damned's 'Love Songs' (SGS-105; 1978), which came out on the Dodgy Demo Co. 'label', but other records appeared on South Circular, Synesthesia and Industrial Accident.  SGS 105 has a home-made label stuck over a white one, and has no obvious label identity. SGS-104, however, an EP by The Isrealites and Children of Charlton Park P. H. School, had a proper printed label, though with no SGS identity apart from the catalogue number. Thanks to Robert Lyons For The Info.

78 The Rivals Skateboarding In The U.K.  SOUND ON SOUND SGS 100
78 Not Traced DODGY DEMO CO SGS 101
78 Not Traced DODGY DEMO CO SGS 102
78 Not Traced DODGY DEMO CO SGS 103
78 Isrealites And Children Of Charlton Park P. H. School Mull Of Kintyre SGS SGS 104
78 Damned Love Song DODGY DEMO CO SGS 105
79 Disco Zombies Drums Over London   SOUTH CIRCULAR  SGS 106
79 Neu Electrikk  Lust Of Berlin SYNESTHESIA SGS 107
79 Steppes The Beat Drill   SOUTH CIRCULAR  SGS 108
79 Not Traced SGS SGS 109
79 Lazy Four I Won'T Shed A Tear SGS SGS 110
80 Future Bodies  Terrorist  FINAL ALTERNATIVE SGS 111
80 The Institution  Jane And Jon  INDUSTRIAL ACCIDENT SGS 112
80 Six Minute War 33.3Rpm 75P Ep SIX MINUTE WAR SGS 113
80 The Sonic Tonix  Don'T Go Away  INDUSTRIAL ACCIDENT SGS 114
82 Not Traced DODGY DEMO CO RICK 1
82 Roddy Radiation And The Tearjerkers  Nothing Lasts Forever  DODGY DEMO CO RICK 2