Brands & Support
Below you will find links to all our our brand pages which contain all the products, support and tools that you’ll need to ensure safety in your work environment.
![Castell Trading Company logo](https://www.sentricsafetygroup.com/wp-content/uploads/2024/02/sentric-trading-companies-rgb-castell.png)
Castell: London, UK
Castell manufactures Castell branded Trapped Key Interlock safety products as well as selling all of our solution brands to the UK and beyond.
![Kirk Trading Company logo](https://www.sentricsafetygroup.com/wp-content/uploads/2024/02/sentric-trading-companies-rgb-kirk-alt-1.png)
Kirk: North Canton, Ohio, USA
Kirk manufactures Kirk-branded Trapped Key Interlock products as well as selling all our solution brands to the Americas.
![STI Trading Company logo](https://www.sentricsafetygroup.com/wp-content/uploads/2024/02/sentric-trading-companies-rgb-sti.png)
Serv Trayvou (STI): Montreuil, France
Serv Trayvou (STI) manufactures STI-branded Trapped Key Interlock safety products as well as selling all our solution brands to France and beyond
![Zonegreen Trading Company logo](https://www.sentricsafetygroup.com/wp-content/uploads/2024/02/sentric-trading-companies-rgb-zonegreen.png)
Zonegreen: Sheffield, UK
Zonegreen manufactures rail safety products as well as selling all our solutions brands to the UK and beyond.
![Salvo product brand logo](https://www.sentricsafetygroup.com/wp-content/uploads/2024/02/sentric-product-brands-rgb-salvo-mono.png)
Salvo
A solution brand for loading bay safety and efficiency solutions. Sold by Castell, Serv Trayvou (STI), Kirk, Sentric China and Zonegreen.
![Sentric China Trading Company logo](https://www.sentricsafetygroup.com/wp-content/uploads/2024/02/sentric-trading-companies-rgb-sentric-china.png)
Sentric China: Shanghai, China
Sentric China sells all our solution brands. They also manufacture Castell and STI products for sale in the local region.
![hero-wide-image](https://dummyimage.com/1366x600/#ccc/fff.jpg&text=1366x600+wide)
CONTACT SALES
Achieve success with our safety solutions today. Chat with our team to learn more.
![Call center employees working in a customer support environment](https://www.sentricsafetygroup.com/img-srv/_3RDT75S6bTYbk76cfaT7u7D4yM-WVG4nh9TMhy1Np4/resizing_type:auto/width:1024/height:0/gravity:sm/enlarge:1/ext:webp/strip_metadata:1/quality:70/bG9jYWw6Ly8vc2VudHJpYy93d3cuc2VudHJpY3NhZmV0eWdyb3VwLmNvbS93cC1jb250ZW50L3VwbG9hZHMvMjAyMy8wOS9zZW50cmljLWN1c3RvbWVycy1zdXBwb3J0LWNhbGwuanBn.webp)