For over 40 years GGI Limited has been the leader in the steel and aluminum industry in Trindad & Tobago earning a reputation for high quality manufacturing. GGI specializes in sheet metal products for roofing systems and architectural aluminum products and offers a full range of support products including insulation, guttering, and skylights. The No. 1 choice for Roofing Systems, Aluminium Doors and Windows, and Glazing & Cladding systems.