ZA is an established high-tech environmental firm providing engineering and consulting services. We offer state-of-the-art technologies and solutions to our clients to solve their waste and wastewater problems in the most environmentally responsible and pragmatic way. Our solutions to urban challenges include IBA and IFA treatment, urban mining, wastewater treatment, soil remediation and restoration, hazardous waste treatment, and environmental consulting. From consulting to design and build, your one-stop waste solutions provider.