In the fourth quarter of 2025, 11 new companies from the construction and materials industry joined the Institut Bauen und Umwelt e.V. (IBU). By the end of the year, the IBU had reached its 45th anniversary with 400 members. This growth demonstrates a commitment to professionalism, continuity, and a shared understanding of transparency and responsibility within the construction sector.

‘Every new member strengthens the network and demonstrates the industry’s commitment to sustainable construction,’ says Florian Pronold, IBU’s Managing Director.

We warmly welcome the new members and look forward to further exchange.

1. ABS Safety GmbH 

  • Core business: Manufacturer of fall protection, access technology and PV systems 
  • Main market: Europe

2. BENTELER Steel/Tube GmbH & Co. KG

  • Core business: Manufacturer of more sustainable steels and steel pipe products for the automotive, energy and industrial markets.
  • Main Market: Europe, Asia Pacific and Americas

3. BLANCO GmbH + Co KG

  • Core business:Kitchen accessories
  • Main market: EMEA (Europe, Middle East and Africa), APAC (Asia-Pacific) and NA (North America)

4. Formani Holland B.V.

  • Core business: Manufacturer of luxury architectural hardware — stainless steel products designed for doors, windows, furniture, bathroom fittings, and related accessories.
  • Main market: Global

5. HECO Schrauben GmbH & Co. KG

  • Core business: Developing and manufacturing screws and fastening systems (fastening technology)
  • Main market: Europe

6. Hpg Plastics GmbH

  • Core business: Development and production (extrusion) of PE-RT plastic pipes and hoses.
  • Main market: Europe

7. ITW Welding GmbH

  • Core business: Produces and supplies welding solutions—especially welding consumables (e.g., welding wire) and related welding equipment/technology
  • Main market: Europe

8. Mannstaedt GmbH-Unternehmen der GMH Gruppe

  • Core business: Manufacture of hot-rolled special steel profiles.
  • Main market: Global

9. Nesseler bau gmbh

  • Core business: Construction contractor / general contractor for turnkey commercial & public buildings, turnkey residential, plus shell construction and precast concrete.
  • Main market: Europe

10. OnLevel GmbH

  • Core business: Glass hardware / fastening systems for architecture.
  • Main market: Europe.

11. Strüby Holzbau AG

  • Core business: Timber construction as a “total service” provider (architecture/planning/engineering + prefabricated wood construction/production and project execution).
  • Main market: Europe