Experience the pinnacle of water treatment excellence with us! Established in 1990, we boast a rich legacy of expertise in delivering top-tier water treatment solutions. Our journey began with our visionary founders, former sales engineers for leading chemical companies, who transformed their passion into a thriving business.
From humble beginnings with a handful of clients, we overcame challenges and setbacks to emerge as industry leaders. Through unwavering dedication and a steadfast commitment to excellence, we've earned a stellar reputation for unparalleled service. Our success story is fueled by the trust and loyalty of our clients, who consistently refer us to others, propelling our growth.
Driven by a relentless pursuit of quality and personalized service, we've expanded our footprint to serve over 50 sites nationwide. With over three decades of unrivaled expertise, we stand as a beacon of reliability and innovation in the water treatment industry. Choose us for unparalleled service and expertise that exceeds expectations.
Who is Guantech?




Our Mission
Guantech Water Industries Phil., Inc aspires to be a premier provider of high-quality water treatment chemicals & services that fully satisfies its valued customers’ standard of quality. Our commitment extends to operating in full compliance with governmental regulations and adhering strictly to recognized industry benchmarks and best practices.




Our Vision
Continuing to set the standard for water treatment services, leveraging our extensive experience and expertise to pioneer innovative solutions that will address the evolving needs of our clients while upholding the highest standards of environmental stewardship.

