• 442083102000 Metro Mechanical Services depend on the expertise of our staff. We have a team of over 160 people working nationwide, and all of our managers are IOSH/NEBOSH licensed and experienced in the use of the tools for many years now. They inspect the work of our team of engineers which deliver high-grade solutions on internal & external drainage, petrol interceptors, internal stacks and lines, plumbing, guttering, water treatment & testing, CCTV & Surveys, pumping station maintenance and installation, civils, grease trap installations & maintenance and a lot more.