Founded in 1987 by its current owners, Pennsylvania-based ProChemTech International designs and manufactures integrated water-management systems and custom treatment chemistry for commercial, industrial, municipal, and government clients. Its single-source model brings in-house chemical and equipment manufacturing together with systems design, engineering, and on-site service, allowing the company to tailor programs rather than rely on standard formulas. ProChemTech operates EPA-registered biocide production facilities and maintains ISO 9001 and ISO 14001 registration for water-management programs.
ISO 9001/2015 AMD 2024
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ISO 14001/2015 AMD 2024
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US EPA-registered facilities for biocide production
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Arizona ROC 241899
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AquaPhoenix ScientificAquaPhoenix Scientific brings water testing and chemical management together, manufacturing reagents and test kits while building feed-and-control equipment at its Hanover, Pennsylvania facility. Its in-house chemists and engineering team also develop customer-specific formulations, private-label products, and custom control panels, giving the company a distinctly hands-on role from testing through treatment. Manufacturing is supported by an ISO 9001:2015-certified quality management system and continuous-improvement practices.HANOVER, PA
Chemstream, IncEstablished in 1997, Chemstream, Inc. is a Pennsylvania-based specialty chemical company known for pairing manufacturing with hands-on technical support. Its 12-location footprint and in-house laboratory help the company develop tailored solutions for industrial customers nationwide, particularly where water treatment is central to daily operations.325998HOMER CITY, PA
Kroff IncFounded in 1988 by water-treatment professionals Keith Kronk and Fred Potthoff, Pittsburgh-based Kroff develops custom chemical and engineering solutions for industrial water, wastewater, and recycling challenges. Its 4,100-square-foot research facility, staffed by doctoral-level scientists, helps the company tailor treatments to each operation rather than rely on one-size-fits-all formulas. Kroff has grown from an early focus on steel into eight companies serving clients in markets around the world, with ISO 9001 certification and an EcoVadis Silver rating reflecting its focus on quality and environmental responsibility.AMBRIDGE, PA
Chemway, IncIncorporated in 1992, Chemway designs and implements chemical and equipment programs for industrial water treatment and oil and gas production and pipeline operations across Western and Central Pennsylvania, Eastern Ohio, and West Virginia. The Pittsburgh-area company pairs field assessments and laboratory testing with ongoing monitoring, and also develops water-management plans addressing Legionella risk under ASHRAE Standard 188 and CDC recommendations. Its woman-owned business status and responsive, problem-solving approach distinguish a regional provider built around tailored programs rather than off-the-shelf treatment alone.BELLE VERNON, PA