GeoPen
Brand name of geophysical instruments manufactured by Research Institute of Engineering and technology, Changchun University of Sci. and Tech.

Corstor
borehole core storage systems and geological equipment.

MGL Scientific
Scientific field equipment.

Rockmans
Earth science supplies for the classroom and collector.

Bico Inc.
Manufacturers of lab sized pulverizers, crushers, furnaces, ball mills, asphalt extractors, oil centrifuges, and other assay lab equipment.

Brunton
Suppliers of the famous Brunton compass, and other equipment for outdoor research

NSW Technology Limited
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.

Contract Geological Services, Inc.
Equipment for exploration geology, including lots of field equipment, and some lab equipment. "Everything but the Mule"

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

Rite in the Rain
Water-resistant field notebooks and paper.

Geo Tools Direct
Internet shopping for geological tools and accessories.

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

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.

Advanced Geosciences, Inc.
Geophysical intruments manufacturer of resistivity and IP meters.

Geology Micro Mineral Loupes
Geology magnifiers including doublet, and achromat micromineral loupes, hand lenses (2X to 20X), in metal holders from Indigo.com.

Kooter's Geology Tools
Basic geology field tools for students and professionals. Includes details about equipment, and tips for geologists.

ASC Scientific
Geology equipment for the lab and for the field.

Dell Systems-Omnitron
Lightweight, portable, full function, Ground Penetrating Radar, with selection of antennas.

Encardio Rite Geotechnical Instruments
Instruments for geotechnical, underground tunnels, dam and mining fields.

Allied Associates Geophysical, Ltd.
Specialist European supplier of geophysical equipment for hire and sale including radar, resistivity EM, Gravity and magnetic instruments.

Vancouver Petrographics
Offers geological laboratory services, rock cutting, polishing, geological studies and geological supplies and equipment.

Polytungstates Europe
Manufacturers of LST Fastfloat and chemical reagents. Describes heavy liquid properties of main product along with toxicity and usage.