Organo Corporation operates as a water treatment engineering company in Japan and internationally.

The company operates through two segments, Water Treatment Engineering Business Unit and Performance Products Business Unit.

It offers pure water systems, such as reverse osmosis (RO) systems, regenerative automatic and manual pure water systems, electric regeneration pure water systems, desktop-type pure water systems, cabinet-type pure water systems, electrode ionization high-purity water systems, cartridge water purifiers, and two-stage RO systems; ultrapure water systems, including desktop and cabinet-type ultrapure water systems, and final polishing unit; and other equipment comprising alkaline electrolyzed water production equipment, homogenizers, electro conductivity meters, resistivity meters, and ion exchange filters.

The company also provides water, wastewater, and RO water treatment chemicals; industrial filters consisting of micro filter, sanitary, polypropylene, and plastic housings, as well as micro, RO wound, PF cartridge, capsule, and PF carbon; and commercial water purifiers.

In addition, it offers ultrapure and multi-functional water production systems, wastewater treatment systems, valuable resource recovery systems, and organic solvent refining systems for the electronics industry; water supply and sewage treatment facilities; purified water production and supply systems, UF water production and supply systems, and water for injection production and supply systems, as well as pharmaceutical water system consulting services; condensate filter, condensate demineralizer, reactor water cleanup, fuel pool cleanup, makeup water, and waste water treatment systems; and sugar refining systems and equipment.

The company was formerly known as Japan Organo Co., Ltd. and changed its name to Organo Corporation in 1966.

Organo Corporation was incorporated in 1941 and is headquartered in Tokyo, Japan.