TELEDYNE-ISCO
www.isco.com
Open Channel Flow Meters
Wastewater Samplers
Pump Station Monitors
Area Velocity Flow Meters

EMCO
 www.emcoflow.com
Unimag - Magmeters
Transit Time and Doppler Flow Meters

ITT/ROYCE
 www.royceinst.com
D.O. / pH / ORP Analyzers & Controllers
Sludge Blanket Analyzer
Suspended Solids & Turbidity Analyzers

YSI / SONTEK
www.ysi.com 
Environmental Monitoring Systems
Field Instruments for Water Quality Monitoring

PLASTI-FAB
www.plasti-fab.com
Fiberglass Gates (Sluice, Slide & Titeseal),
     Stop Logs Shelters and Buildings
Fiberglass Flumes and Pre-Fabricated Manholes

AMETEK / DREXELBROOK
www.drexelbrook.com 
Open Channel Flow Meters
Level Measurement

TELOG INSTRUMENTS, Inc.
www.telog.com 
Remote Data Acquisition
Wireless Communication
Information Management