Latest Global Biological Sewage Treatment RFP & RFQ

68-0992-25 Sigeko on the Biological Part of the Herrenhausen Sewage Treatment Plant

2025 Stone Sewage Treatment Facility 2 -Series Biological Response Tank Improvement Electricity Corporation

77/2025 Replacement of the Filter Bed in Four Biological Filters at the Pomorzany Sewage Treatment Plant

2025-0632 Service- Implementation of the Cleaning of the 2Nd Street of the 2Nd Biological Level on the Sewage Treatment Plant in Dbg.- Hochfeld

Mobile Disposal of Dirty Water and Faeces from Drainless Collecting Pits (Sg) and Small Sewage Treatment Plants (Kka) as Well as Sewage Sludge from Small Organic Sewage Systems (Bkka)

77/2025 Replacement of the Filter Bed in Four Biological Filters at the Pomorzany Sewage Treatment Plant

Fakalschlamm Transport 2026

Kw Ratingen - Ern. Biology, Lot 2: Emsr Technology

Expansion of Biological Purification Byske Sewage Treatment Plants

Roofing Work and other Specialized Construction Work