You may buy direct from any of the following fine companies:

Vista Data Vision Distributors

Aridus, Hydro Geotechnik, Gaborone, Botswanawww.aridus.co.bw
Advanced Monitoring Methods provides high-quality, high recovery monitoring services under all environmental conditions and locations.
Area: Botswana
Contact: Themba Mongwa, Technical Specialist

Coffey International Ltd., Australia www.coffey.com
Coffey’s specialist Instrumentation and Monitoring (I&M) Group provides a complete range of I&M services for geotechnical, hydrogeological, structural and environmental applications in civil and mining projects.
Area:  Australia
Contact:  Peter Lamb

Elard, Dubai, United Arab Emirates, www.elard-group.com/ 
Geosciences, water management and environmental project management services.
Area: United Arab Emirates
Contact: Ribal Aldahhak

Geokon Inc, New Hampshire, USA, www.geokon.com
Geokon, Inc. manufactures a full range of reliable, high-quality geotechnical and structural monitoring instrumentation.
Area:  USA and Worldwide.
Contact:  Tony Simmonds

GKM Consultants, Inc. Montreal, Canadawww.gkmconsultants.com/
GKM Consultants offers geotechnical instrumentation, data acquisition systems and monitoring services for civil engineering applications, notably for dam safety, tunnel, bridge and mining.
Area:  Worldwide
Contact:  Jean-Marie Bréhé, ing.

RST Instruments Ltd, British Columbia, Canada, http://www.rstinstruments.com
RST Instruments offers a full range of geotechnical and structural instrumentation for investigating and monitoring a wide range of projects in the civil engineering, mining, & environmental sectors.
Area:  USA and Worldwide

Roctest Ltd, Montréal, Canada, www.roctest.com
Offers a wide range of products for geotechnical and structural applications
Area: Worldwide
Contact: René Deblois

Record Tek, Roorkee, India – www.recordtek.com
Supplier of technical instrumentation hardware and related services.
Area: India
Contact: Abhinav Goyal

TecWise,  Timóteo, Brazil, www.tecwise.com.br
Mines, Geotechnical, Oil and Gas, Heavy Industries
Area: Brazil
Contact: Omar Santos Garzedin

Worldsensing, Spain – www.worldsensing.com

Supplier of technical instrumentation hardware and related services.
Area: Worldwide
Contact: Angela Lluch
Profound BV, Netherlands – https://profound.nl
Supplier of technical instrumentation hardware and related services.
Area: Worldwide
Contact: Almar Ourensma