For more than 30 years igr has offered high quality engineering/design/planning services in a variety of areas of specialist construction and in environmental planning. Due to our company’s integrated interdisciplinary structure, we guarantee our customers a single source service, even for complex processes. Our range of services includes consultation, studies, general planning services, design services, construction supervision and project leadership, as well as monitoring. Our website gives you an overview of the many aspects of what we offer; let yourself be convinced by the compelling evidence of more than 2,500 projects.


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Study National Park Brijuni...

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News at the beginning of 2021...

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Track and points renewal...

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"Smart City" in the City of Wörrstadt