Multiprobes and displays for surveys, profiling, remote, unattended monitoring of any array of water quality parameters in fresh, salt, ground, waste waters to 200 meters.

Designs, manufactures and distributes water quality and environmental monitoring equipment, temperature probes, temperature measurement equipment, thermistors, CO2 sensors, glucose analyzers, and lactate analyzers.

A research-oriented company that designs and manufactures state-of-the-art submersible and ground-based optical instruments for monitoring reservoir water quality.

Specializes in the design, manufacture and distribution of instrumentation and systems for moisture monitoring sensors and systems for landfill closure, agriculture, civil engineering and oil/gas applications.

Distributor of environmental monitoring instruments and global positioning systems.

Manufacturer of a range of water, air and soil sampling, testing and remediation equipment.

Supplies Hester Dendy multiple plate benthic invertebrate samplers direct from the manufacturer.

Supplies water level and water quality instrumentation for hydrologic monitoring equipment and field data logging of water level and quality.

Manufactures, sells, and rents water resource tools and environmental monitoring products, including water quality sensors, dataloggers, level sensors, submersible pumps and multi-parameter meters.

Manufacturer of turbidity meters, colorimeters, and suspended solids monitors for in-line process control measuring of liquids and gases.