Great Marlings
Butterfield
Luton
Bedfordshire - LU2 8DL
United Kingdom

Products manufactured at Luton include:

- Galvanic Isolators
- Fieldbus Power Conditioners
- Fieldbus Wiring Components
- HART Systems
- Custom Backplane Solutions
- Network Security Products
- Gas Analyser Systems

3 Old Mahabalipuram Road
Sholinganllur
Chennai – 600119
Tamilnadu
India

Products manufactured at Chennai include:

- Galvanic Isolators
- Zener Barriers
- Multiplexers
- Fieldbus Power Conditioners
- Fieldbus Wiring Components
- Surge Protection
- Hazardous Area Connectors

Bessemerstrasse 80
D-44793 Bochum
Germany

Products manufactured at Bochum include:

- Eurocard Isolators

Gecma Components Electronic GmbH
Heisenbergstraße 26-40
50169,  Kerpen
Germany

Products manufactured at Kerpen include:

- Challenger Remote Terminal Human Machine Interfaces (HMI)
- Explorer Embedded PC Human Machine Interfaces (HMI)
- HMI Accessories and Spares

St James Business Park
Knaresborough
North Yorkshire - HG5 8PJ
United Kingdom

Products manufactured at Knaresborough include:

- Alarm Annunciators
- Event Recorders
- Hazardous Area Alarm Products
- Engineered Fieldbus Instrument Enclosures

101 Billerica Avenue
Building 4
North Billerica
Massachusetts 01862
USA

Products manufactured at North Billerica include:

- Hazardous Area Displays & Workstations (HMIs)
- Data Acquisition Systems
- Ethernet & Wireless Communication Products
- Military Grade Workstations

Oeantech House
Station Approach
Cheam
Surrey - SM2 7AU
United Kingdom

Products manufactured at Cheam include:

- Tanker Berthing Systems
- Load Monitoring Systems
- SCADA Control Monitoring Systems
- Remote Emergency Shutdown Systems
- Electro-hydraulic Wellhead Control Systems
- Unmanned Platform Monitoring
- Sub-sea Wellhead Control Systems