What is the history of kroff? Kroff, Inc. was established in 1988, and is headquartered in Pittsburgh, PA. Kroff is comprised of seven different companies: Kroff Chemical Company, Inc. (KCC) provides custom-blended chemicals and processes for water and wastewater treatment.Why choose kroff for water treatment? Our field technicians and engineers will research your specific water treatment needs and provide green solutions that are long-term sustainable, compliant with local and EPA regulations, and show positive ROI for future operations. Kroff technologies have treated and delivered clean water to streams and waterways.Why work at kroff? EPA regulated contaminants have been safely removed from the environment with Kroff products and services. Kroff works to combat climate change through the removal of Carbon Dioxide from the atmosphere. We are always seeking talented professionals to join the Kroff team.