choose one of the following waste and sewage management companies in the Chrysaki (Kallithea - Nea Smyrni) area. A company specializing in waste and sewage management can: guarantee safe transport of sewage and industrial waste, handle processing of sewage, solid waste, and liquid waste, and finally offer – if needed – biological unit cleaning, non-hazardous sewage collection and hazardous waste collection, as well as waste analyses.