ARCH CHEMICALS, INC.
* On-Site Calcium Hypochlorite Generation Systems

HALOGEN VALVE SYSTEMS, INC.
*EMERGENCY CHLORINE AND SULFUR DIOXIDE GAS SHUT-OFF SYSTEMS

SEVERN TRENT SERVICES

CAPITAL CONTROLS GROUP
* ADVANCE* & CHLORTROL* ( formerly Fischer & Porter) CHLORINE, SULFUR DIOXIDE AND AMMONIA FEED SYSTEMS
* AZTEC* CHLORINE RESIDUAL AND OTHER CHEMICAL ANALYZERS
* CHLOR-A-VAC* CHEMICAL INDUCTION UNITS
* CDG* CHLORINE DIOXIDE GENERATORS
* MICROCHEM2 BUFFERED & BUFFERLESS CHEMICAL ANALYZER - TRANSMITTER & CONTROLLER
* Z-CHHLOR3000 RESIDUAL SULFITE ANALYZER
* EST SCRUBBERS

CLORTEC (MUNICIPAL) & EXCELTEC (INDUSTRIAL)
* ON-SITE SODIUM HYPOCHLORITE GENERATION SYSTEMS

ULTRADYNAMICS
* SCORPION * OPEN CHANNEL VERTICAL AND HORIZONTAL UV DISINFECTION SYSTEMS
* ULTRADYNAMICS * CLOSED VESSEL UV DISINFECTION SYSTEMS