ZENNER International GmbH & Co. KG is a global leader in precision metering technology, renowned for innovation, reliability, and over a century of experience in the development and production of high-quality measurement instruments. From smart water meters to advanced IoT solutions, ZENNER delivers industry-leading technology for accurate consumption measurement across water, heat, gas, and more.
A Century of Innovation in Smart Metering
Since its founding over 100 years ago, ZENNER has become a trusted name in global metering solutions, offering advanced equipment that meets the evolving demands of smart infrastructure and sustainable resource management. With a strong commitment to quality, ZENNER products are used in more than 90 countries and supported by subsidiaries and distributors in over 40 countries worldwide.
Facts & Global Reach
- Headquarters: Saarbrücken, Germany
- Export Presence: Products sold and supported across 90+ countries
- Certifications: ISO-compliant production and quality standards
- Employees: Part of a group with 4,200+ professionals globally
- Group Affiliation: A key part of the Minol-ZENNER Group
- Manufacturing: Own factories ensure consistent quality and innovation
Minol-ZENNER Group – Hardware Meets Service Excellence
As part of the Minol-ZENNER Group, ZENNER represents the perfect synergy of cutting-edge metering technology and comprehensive energy services. This unique combination integrates hardware, software, service, and consulting to provide holistic solutions for consumption-based energy billing, IoT integration, and smart city development.
The addition of BRUNATA A/S in 2018 further strengthened the group’s expertise in intelligent energy management and digital metering
Product & Service Portfolio
ZENNER develops and supplies a wide range of metering and measurement solutions, including:
- Water Meters (Mechanical and Ultrasonic)
- Heat and Cooling Meters
- Gas Meters
- IoT-Ready Smart Meters
- AMR/AMI Systems
- Digital Platforms for Data Management
Each product is designed for precision, durability, and interoperability with modern smart grid infrastructures.
Why Choose ZENNER?
Sustainability-Driven Product Development
Over 100 Years of Expertise in Metering Technology
German Engineering with Global Application
Seamless Integration into Smart City & IoT Networks
Full-Service Capabilities through Minol-ZENNER Group
Customized Solutions for Utilities and Municipalities
Applications
ZENNER solutions are trusted across various sectors:
- Municipal Utilities & Water Suppliers
- District Heating & Cooling Networks
- Residential & Commercial Buildings
- Industrial Facilities
- Smart Cities and IoT Projects
ZENNER – Empowering Transparency in Energy Consumption
With a century of proven innovation and a future-focused vision, ZENNER empowers cities, utilities, and companies to manage their resources more effectively. Backed by the global Minol-ZENNER Group, ZENNER is more than a metering manufacturer—it’s a partner in the journey toward sustainable energy management and digital transformation.
