Metropolitan Pipe & Supply Co., Inc. - Cambridge, MA
Distributor
Distributor of water treatment systems. Whole-house water filter systems, single cartridge valve-in-head plastic filter housings, single cartridge plastic housing systems, dual cartridge valve-in-head plastic filter housings, water filtration systems, single cartridge plastic housings, dual cartridge plastic housings & single cartridge stainless steel housings are available. Products also include under-sink full flow compact filter systems, full flow water filters, triple action full flow valve-in-head point of use filters, dual stage carbon block filtration systems & ice maker water filters.
Brand Names: Cuno
www.metpipe.com/products/

Hotsy Equipment Co. - Brockton, MA
Distributor, Manufacturer, Custom Manufacturer, Manufacturers' Rep, Service Company
Distributor & mfr's rep. of waste water treatment systems & equipment for industrial plants. Types include automotive wash water treatment, wastewater recycle or treat-&-discharge & biological treatment systems.
Brand Names: Hotsy, Water Maze
www.hotsyboston.com/Water-Treatment.aspx

LT Technologies, Inc. - Bridgewater, MA
Manufacturer, Service Company
Consulting, designing & manufacturing pure water & wastewater treatment systems.

Mar Cor Purification - Lowell, MA
Distributor, Manufacturer, Service Company
Manufacturer of filtration & purification systems for water treatment in medical industries. Products include filters & membranes, process piping & fittings, valves, pumps, conditioning equipment, cleaners & disinfectants, process control & storage tanks. For commercial & industrial applications equipment manufactured specializes in producing high purity water for boiler feed, paint shops, electrocoating, humidification feed, cosmetics, aqueous cleaning, parts washing, power generation & the food & beverage industries. For medical applications including hemodialysis, clean sterilize reuse, or analyzer equipment, producing high purity water designed for these specialized processes. Design, manufacture & support any water system in the medical field. Filtration technologies can be used for medical therapies or process filtration. Water technologies can be used for building & servicing medical devices. Disinfection technologies can be used for eliminating biofilm contamination & biological contamination. Industries served include electronics, medical, laboratories & research facilities, pharmaceutical, commercial & industrial.

Cadel Chemical & Supply Co. Inc. - Leominster, MA
Manufacturer
Manufacturer of water treatment systems. Products include custom chemical control systems for boilers, cooling towers and closed loop systems. Capabilities include custom designs, installation services, 24/7 monitoring services and on-site blending services such as biological testing and control, custom blending and on-site blending adjustments and calibration services.

High Purity Water - South Grafton, MA
Distributor, Service Company
Water softening, conditioning & refining, state-of-the-art drinking water products & services, including carbon filtration, de-chlorination, reverse osmosis, drinking filters & water purifiers for residential & commercial customers.

Aquatic Treatment Systems - Scituate, MA
Manufacturer, Service Company
Manufacturer of water treatment equipment & systems. Water treatment equipment & systems are designed to remove a variety of inorganic & organic contaminants from water including arsenic, iron, radium, sulfide & manganese. Water treatment systems capacities include operating within a range of 30 parts per billion (ppb) to 72 ppb in based on the application. Water treatment equipment & systems use adsorption, ion exchange & filtration technologies. Treatment tanks & operates automatically on demand. Capabilities include specialty filters, consulting & laboratory & testing services also available.