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/

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

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/

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

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

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

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

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

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/

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/

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

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/

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

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

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

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