Sims Metal keeps on trucking with Sanjeev Gupta Save Share Sims Metal Management is closely monitoring any potential fallout from the collapse of Greensill Capital on Sanjeev Guptaâs GFG Alliance, but says its relationship as a large supplier to Mr Guptaâs InfraBuild structural steel business in Australia is strong. The ASX-listed scrap metal giant, which operates 38 plants in Australia, said on Wednesday it is a long-term supplier to the InfraBuild operations. Scrap metal recycler Sims Metal is a big supplier to Sanjeev Guptaâs Infrabuild. Â iStock âInfraBuild is a long-term consumer of our recycled ferrous metal products in Australia and we provide material to their EAFs (electric arc furnances) in Sydney and Melbourne,â a Sims spokeswoman said.