"How can you quickly find companies on the ASX that have listed...

"How can you quickly find companies on the ASX that have listed options?"

Just download an end-of-day data file from your broker's site( eg commsec, nabonline, belldirect...etc) and open it with excel. Then sort by Len of code. There are 1000s of them...

AAKO
AAOO
ACPO
ACWO
ACZO
AEBO
AEEO
AFIG
AGIG
AIVO
AIWO
AIYO
ALTO
ANPO
APBO
AQQO
ARXO
AUCO
AUZO
AVDG
AVKO
AXMO
AYAO
AYIG
AZKO
AZYO
AZZG
BACO
BCCO
BDMO
BGDO
BKYO
BLTO
BMGO
BMLO
BPOO
BSMO
BSRO
BUTO
BUXO
CAGO
CAJO
CAVO
CBPO
CCCO
CDBO
CDDR
CDMO
CELO
CLYO
CNLO
CRJO
CSDO
CTPO
CUYO
CVEO
CXUO
CXXO
CYSO
CZNO
DLEO
DRAR
DRGO
DRXO
DTQO
DUOO
DVAG
EDEO
EIOO
EMRO
ENLO
ENTO
EQUO
ERDO
ERJO
ERNO
EROO
ESIO
EULO
EZLO
FASO
FCRO
FRCO
....
....