What does Wyo stand for?

Wyoming (ODBW)

Wyoming Downs, WY - North American horse racing tracks (HRTC)

Wyoming Reports - A publication (DLA)

Western Youth Orchestra - Australia

Whats Your Opinion (SAUS)

Write-Your-Own - Insurance (MHDB)

Wyoming (AAG)

Wyoming Array - Wyoming - Seismograph station code, US Geological Survey (SEIS)