25/09/2026
ELENG d.o.o. is open to new automation and control-system projects in tunneling.
As a leading Croatian expert with international experience in tunneling, we have been part of major projects for 8 years — independently or in partnership with companies such as Implenia, Mühlhäuser GmbH, Rowa AG, Swietelsky AG, Porr and Herrenknecht.
We provide end-to-end support — from design and programming to control-panel manufacturing, wiring and equipment connection, commissioning and technical support for tunnel control systems.
📌 Siemens SIMATIC S7-1200/1500, S7-300/400, TIA Portal
📌 PLC, SCADA, HMI, DDC systems
📌 Tunnel ventilation control systems
📌 Wiring and connection of distribution cabinets and equipment
📌 Pump systems for tunnel drainage
📌 Tunnel wastewater treatment systems
📌 Commissioning and maintenance of conveyor belt systems – our core specialty
📌 PROFINET, PROFIBUS, Modbus TCP/RTU, BACnet, OPC UA
📌 FAT/SAT testing, commissioning, diagnostics and support
We work remotely, on-site or in a hybrid format — available for urgent short-term interventions as well as long-term cooperation on projects lasting several months or more.
📩 [email protected] | 🌐 www.eleng.hr | 📍 Vinkovci, Croatia
