Collingwood explored ending their ill-fated recruitment of Chris Mayne by trading the forward back to Fremantle after just one year. Monson Shipping Agency – the largest shipping agency with head office in Fremantle, WA. We specialise in bulk commodities such as coal, iron ore, alumina etc. AGS World Transport When Quality Counts. As an N.V.O.C.C, AGS World Transport provide premier logistics services to clients worldwide. In a rapidly advancing global….