| 1. | Pulse Instrumentation | | | Sells part, consumables and instruments used for environmental analysis www.techniconinstruments.com |
| 4. | CrudeOils.Com | | | Crude oils (petroleums) for education and research. www.crudeoils.com |
| 5. | EVHILL | | | Manufacturer of smoke generating devices used in scientific and industrial applications. www.evhill.com |
| 6. | Zefon International, Inc. | | | Supplier of air sampling equipment including filter membranes and cassettes, Gast and Gilian pumps, Gastec gas detectors, Extech sound meters, light meters, pH meters and anemometers. www.zefon.com |
| 7. | Comptus Inc. | | | Manufacturer of weather instruments, designers of electronic and electrical instruments. www.comptus.com |
| 8. | Forestry Suppliers, Inc. | | | Products for outdoor research specializing in forestry, environmental science, surveying/engineering, horticulture, grounds maintenance, and educational products. www.forestry-suppliers.com |
| 9. | Johnston Inc. | | | Suppliers of water and wastewater treatment equipment and instrumentation including ISCO, ISCO Samplers, odor control, biocube, flow meters, mag meters, wastewater ampler and wastewater treatment www.jinc.com |
| 10. | James Technical Services | | | Standard, special and custom design, used and refurbished of enviromental test chambers for the lab. www.jts-test-chambers.co.uk |
| 11. | ADC Gas Analysis Ltd. | | | Supply and manufacture infra-red gas analysis equipment for use in: laboratory, emissions control, industrial process control. Full spares and service support. www.adc-service.co.uk |
| 12. | Sediment Services | | | A fully automated cohesive strength meter for the acquisition of data relating to the critical erosion stress of sand and mud sized particles www.sediments.co.uk |
| 13. | Tennessee Scientific | | | Scientific products: test kits and systems for the rapid detection of bacteria and toxins in human, environmental, surface and water samples. tennesseescientific.com |
| 14. | Analytika Kyriakouleas | | | Soil analysis laboratories, soil boron extraction apparatus, calcimeter, soil hydrometers and soil particle size analysis equipment. www.analytika.gr |
| 16. | Turo Technology | | | Multiparameter water quality analysers. Sensors include temperature, dissolved oxygen, depth, pH, conductivity, salinity and turbidity. www.turo.com.au |
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