O C Accessories (El Monte, CA) - formerly C S L Trading

Ole Gift (Bellevue, WA)

One Gems & Pearl, The (Hacienda Heights, CA)

Opal Connections (Las Vegas, NV)

Opal Traders International (San Francisco, CA)

Opal Zone, The (Cheshire, OR)

Opalcolors Oregon (Hood River, OR)

Orca Gems & Opals (Littleton, CO)

Orcas Arts (Orcas, WA)

Out of Our Mines (Arcata, CA)

Out On A Whim (Cotati, CA)