Geomedia Research & Development
- Design and develop an instrument used in non-destructive testing of pavements, bases and subgrades in highway construction and maintenance. Includes specifications in pdf format.
- http://www.geomedia.us/

GeoSales
- Supply the civil engineering and environmental engineering industries with soil testing equipment, field testing equipment and associated geotechnical supplies. New Zealand.
- http://www.geosales.co.nz/

Walter and Bai AG Testing Machines
- Testing machines, instruments and equipment for cement, concrete, soil, and asphalt testing.
- http://www.walterbai.com/

Ye Chance
- Manufacturers of equipment for concrete, soil, and asphalt testing.
- http://www.yechance.com.tw/

ELE International Ltd
- Manufacturers of equipment for concrete, soil, geotechnical, asphalt and environmental testing and monitoring. Technical services for installation and training.
- http://www.eleint.co.uk/

Troxler Electronic Laboratories, Inc.
- Develop, manufacture and supply of quality control and measurement equipment for the asphalt and concrete construction testing laboratory.
- http://www.troxlerlabs.com/

Pavement Technology, Inc.
- Asphalt testing and sampling equipment for the hot mix asphalt and aggregate industries.
- http://www.pavementtechnology.com/

Mastrad
- Supplier of asphaltic paving materials testing machines.
- http://www.mastrad.com/nat.htm

Interlaken Technology
- Manufacturer of precision testing machines for use in the asphalt, soil, metal, formability, hydroforming, and lubrication markets.
- http://www.interlaken.com/

Lab Quip
- Supplier of laboratory testing equipment for aggregates, asphalt, concrete and soils.
- http://www.lab-quip.co.uk/

Heungjin Testing Machine Co Ltd
- Specialist manufacturer for asphalt testing machines.
- http://www.heungjin.co.kr/

Applied Test Systems, Inc.
- Manufacturer of precise, affordable equipment for materials testing and process heating.
- http://www.atspa.com/