Trust Company Ltd is a Japanese automotive aftermarket company specializing in performance tuning parts for cars. The company is widely known for its sub-brand of tuning parts Greddy and the turbochargers under the brand. Founded inJapanin 1977, The Trust company LTD has become a major player in automotive performance products. With popular brand names like GReddy, GREX, and GRacer, the Trust Company offers one of the widest varieties of performance automotive components. They are most well known for their complete cat-back exhaust systems with unique straight-through muffler design and bolt-on turbocharger kits. Since 1994, the development and distribution of Trust Company products in the United States has been accomplished by GReddy Performance Products, based inIrvine, California. Trust was unable to use its own name there as it was already copyrighted, therefore they became officially known as GReddy.
In August 2008 the TRUST Company in Japan consolidated their supply of GReddy products throughout Australia and New Zealand which has culminated in the establishment of GReddy Oceania based in Sydney Australia.