FLI Structures

FLI has been designing and fabricating steel structures for over 70 years. With origins in telecoms, we have expanded into rail, highways and energy markets. We have in-house design, manufacturing, project management and installation teams and we produce steel structures to the highest standards. We do more than fabricate - we innovate and design solutions to solve clients' problems, often within the tightest timeframes.


rail gantries loc platforms cantilever gantries portal gantries


Rail Telecoms

Telecoms Lattice Towers monopoles


Rail Telecoms
Mobile Networks
Radar Towers
Met Masts

Highways screw pile foundations smart motorways


Screw Piles helical piles steel foundations

Screw Piles

Nuclear fabricator F4N  execution class 4



FLI Structures

FLI Fabricates to Execution Class 4, with a defect rate below 0.01% (in 2018 against a 3% industry average). Our Health and Safety culture and record is recognised by a ROSPA Gold Award and our systems exceed normal industry standards as demonstrated by our rating as 'Fit For Nuclear'.