Mast & Tower Sales at FLI Structures. FLI Structures are the UK’s leading company in the design, manufacture and installation of steel structures including, masts, met masts, towers, steel platforms, grillages & screw pile foundations. With a strong innovation culture, FLI won Network Rail’s first Partnership Award for Innovation in 2009, for bespoke FLI Light grillage, which helped the GSMr project save £2m, and Birse Rail’s supply chain award for Innovation in 2010 for steel solutions… Show more Mast & Tower Sales at FLI Structures. FLI Structures are the UK’s leading company in the design, manufacture and installation of steel structures including, masts, met masts, towers, steel platforms, grillages & screw pile foundations. With a strong innovation culture, FLI won Network Rail’s first Partnership Award for Innovation in 2009, for bespoke FLI Light grillage, which helped the GSMr project save £2m, and Birse Rail’s supply chain award for Innovation in 2010 for steel solutions that enable safe and cost effective green zone working for civils works on the railway. FLI’s markets include Telecommunications, Construction & Infrastructure projects, inc Railway, Highway & Local Authority, Broadcast, Renewable Energy, Wind and Civils sectors. Part of the Haley Group, with a turnover of over £20m, efficiency and innovation are our key business drivers that help us achieve high levels of customer satisfaction Show less