ASC Scientific
   Geology equipment for the lab and for the field.
   http://www.ascscientific.com/geology.html

Advanced Geosciences, Inc.
   Geophysical intruments manufacturer of resistivity and IP meters.
   http://www.agiusa.com/index.shtml

Allied Associates Geophysical, Ltd.
   Specialist European supplier of geophysical equipment for hire and sale including radar, resistivity EM, Gravity and magnetic instruments.
   http://www.allied-associates.co.uk/

Bico Inc.
   Manufacturers of lab sized pulverizers, crushers, furnaces, ball mills, asphalt extractors, oil centrifuges, and other assay lab equipment.
   http://www.bicoinc.com/

Brunton
   Suppliers of the famous Brunton compass, and other equipment for outdoor research
   http://www.brunton.com/

Contract Geological Services, Inc.
   Equipment for exploration geology, including lots of field equipment, and some lab equipment. "Everything but the Mule"
   http://www.cgsmule.com/

Corstor
   borehole core storage systems and geological equipment.
   http://www.corstor.co.za/

Dell Systems-Omnitron
   Lightweight, portable, full function, Ground Penetrating Radar, with selection of antennas.
   http://www.omnitron.net/radar/

Dr. F. Krantz, Rheinisches Mineralien-Kontor
   Buying and selling collections (rocks, minerals, fossils). Also sells specimens, field equipment, and teaching aids for geology. Site in both English and French.
   http://www.krantz-online.de/

Encardio Rite Geotechnical Instruments
   Instruments for geotechnical, underground tunnels, dam and mining fields.
   http://encardio.com/

Estwing
   Manufacturer of hand-held striking and struck tools for geology and other uses (hammers, hoe-picks, chisels, axes, and pry bars).
   http://www.estwing.com/

Geotechnical Instrumentation
   Equipment for use in the geotechnical, mining and environmental engineering fields. Products include: piezometers, inclinometers, extensometers, settlement systems, and borehole packers.
   http://www.rstinstruments.com/

Kooter's Geology Tools
   Basic geology field tools for students and professionals. Includes details about equipment, and tips for geologists.
   http://www.kooters.com/

NSW
   Manufactures underwater electrical and electro-mechanical cables. Applications include fibre-optic telecommunication links, dynamic cables for underwater remote operated vehicles (ROVs), geophysical, and oceanographic instrumentation.
   http://www.nsw.com/

Polytungstates Europe
   Manufacturers of LST Fastfloat and chemical reagents. Describes heavy liquid properties of main product along with toxicity and usage.
   http://www.polytungstate.co.uk/

Rite in the Rain
   Water-resistant field notebooks and paper.
   http://www.riteintherain.com/

Rockmans
   Earth science supplies for the classroom and collector.
   http://www.rocksandminerals.com/supplies/supplies.htm

Vancouver Petrographics
   Offers geological laboratory services, rock cutting, polishing, geological studies and geological supplies and equipment.
   http://www.vanpetro.com/