A Half Century of Water Purification Experience

Over nearly a half of century, Water One, Inc. and its affiliate companies Water One of SW Florida and CALCO, Ltd. have provided ultra pure water to science and industry, and premium bottled drinking water to customers throughout the world.

An industry innovator in many respects, we developed a proprietary water purification media, ViroBac, that in over twenty eight years of independent testing has been proven to kill waterborne bacteria and viruses on contact and on demand. Utilizing ViroBac ,Water One, Inc., was the first company in the world to produce a US EPA registered water purifier, allowing us to sell our first and second generation drinking straw style purifiers to US and international customers, including all branches of the US Military.

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CALCO/Water One Services A Prestigious List of Clients That Include:

• Abbot Laboratories

• Baxter International

• Federal Express

• Fermilab

• Fuji Film

• Loyola University Medical Center

• Lutheran General Hospital

• Monsanto

• Motorola

• The University of Chicago

• Underwriters Laboratory

• United States Military

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