
A Century of Water Treatment Expertise
Now in our second century of service, Garratt-Callahan is more than an experienced industrial water treatment company. We’re a company of experienced professionals, from our field engineers to our technical service departments. Our client relationships are built on fairness, honesty, and integrity. By thoroughly understanding your needs and challenges, we can then roll up our sleeves to find solutions that work.
Water Is The Nature of Our Business
Essential to life and livelihood. By its very nature, water is a natural solvent. It’s the natural enemy to the vessels that store it, the pipes that transport it, and the equipment that uses it. Garratt-Callahan supplies more than water treatment chemicals; we deliver expertise for the care, management, and support of industrial water systems. G-C experts assist our clients to treat their boilers, cooling towers, reverse osmosis systems, and wastewater. We protect their employees and equipment.
Garratt-Callahan Mission & Values
Together, we’re focused on the same mission that has guided Garratt-Callahan for over 100 years. Our client receive:
- Effective, efficient, and safe water treatment.
- Unrivaled customer service and we promise complete customer satisfaction.
- Dependable industrial water treatment programs that minimize risks, deliver peak performance, and lower costs.

Dedicated to Excellence
One of the advantages of working with Garratt-Callahan is our commitment to excellence through ongoing training and certifications. Our teams have earned numerous credentials, many of which reflect our specialized industry knowledge, enhance our industrial water treatment expertise, and underscore our adherence to ever-changing environmental and regulatory requirements. As a company, we encourage the continued education and instruction of our employees. Our certifications — paired with our years of hands-on water treatment experience — enable us to help our clients solve their most challenging problems.
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