Communication/Security Technology

For optimal communication and highest security: communication, network and security technology

In the area of communication technology, our qualified specialist staff are responsible for the installation of data networks according to ISO/IEC 11801 and EN 50173, as well as the installation, testing and repair of telephone and communication systems.

In the area of security technology, we take over the installation, maintenance and repair of cross-facility monitoring, detection, alerting and control systems for you.

Our range of services in overview:

Installation, maintenance and servicing of:

  • Information technology systems such as data networks and telephone Systems
  • Lighting and emergency lighting
  • Cross-facility public address, voice and paging systems
  • Operating warning systems
  • Access control Systems
  • Public address system (PA system)
  • Hazard alert system
  • Fire detection system
  • Fire alarm system
  • Smoke heat systems
  • Door locking systems
  • Escape door control systems
  • Video surveillance systems
  • Intrusion alarm systems

About Griesemann Group

The businesses belonging to the group of companies, INDUREST, JBV, JBV-INDUREST, GMR and Blitzschutz Graff, combine almost all specialist trades for industrial plant engineering and construction, and through a synergetic cooperation of all business units are capable of realising not only complete turnkey projects but also operations-driven individual projects.