Opal Oasis
- Australian opal sales, history and information. Pictorial guide of opal types.
- http://opaloasis.com/

Black Opal Mine
- Offers information about the appearance and varieties of australian opals, along with online store.
- http://www.blackopalmine.com/

Kulpunya Opals
- UK-based dealer supplies investors and collectors throughout Europe, and presents an illustrated catalogue, knowledge centre, and testimonials.
- http://www.kulpunyaopals.com/

Opals Down Under
- Featuring rings and pendants as well as loose stones.
- http://www.opalsdownunder.com.au/

Swordfish Mining
- Miners and cutters of Virgin Valley opal.
- http://www.virginvalleyopal.com/

Berryd Opals
- Offering opals direct from the miner and cutter.
- http://www.berrydopals.com.au/

Coober Pedy Opal.com
- Australian business offering rough and cut opals, along with jewellery and pendants.
- http://www.cooberpedyopal.com

OpalCutter
- Opals, fire or laguna agates, minerals, rough stones, plus jewelry.
- http://www.opalcutter.com/

The Village Smithy Opals, Inc.
- Supplies rough and finished opals purchased directly from miners in Australia.
- http://www.villagesmithyopals.com/

Gold Rush Jewelry, Bead and Art Company
- Australian opal rough, black, cabochons, jewelry, and information about this gemstone.
- http://www.opalopal.com/

The Opal Mine
- Retail and wholesale Australian opals from the mines at Lightning Ridge, cabochons, rough, jewelry, opal encyclopedia, search function and chat forum. Requires Java and cookies to be turned on to order on line.
- http://www.opalmine.com/

Opal Hut
- Yowah nuts, and matrix, seam, crystal, boulder and pipe opals.
- http://www.opalhut.com.au/

Opalos Corporation
- Offers Mexican fire and Australian black opals as well as colored gemstones.
- http://www.mexopals.com/

Keith Rigby Opals
- An Australian supplier of rough and cut black opals.
- http://www.opalrough.com/

Firebird Opal
- Australian lightning ridge opal in cut stones, rough and rubs.
- http://www.firebirdopal.com.au/