The Sentric Safety Group is a Halma plc company and unites the world’s leading safety solution brands to create the long-term protection of people, productivity and business reputation. We consist of four companies - Kirk Key in the US, STI in France, and Castell Safety International & Zonegreen in the UK. We produce uncompromising safety solutions for businesses whose people and equipment operate in harsh and safety-critical environments. TOGETHER FOR A SAFER TOMORROW: Our brands and businesses have been leading the industry in keeping people safe at work in their sectors for over 100 years. Together we have the expertise and experience to help our customers reduce risk, keep costs down and businesses protected and compliant. Most Read more