The survey by Reputation Institute, a U.S. consulting and advisory group, gave good grades to Samsung's new Galaxy S smartphones and its corporate social responsibility projects.
Intel Corp. came third, followed by VMWare Inc. and Toshiba Corp.
Also on the top 10 list were Oracle Corp., HP Inc., Alphabet Inc., Microsoft Corp. and IBM Corp.
Samsung ranked No. 1 in the 2015 survey by Reputation Institute.
According to the Reputation Institute's website, the survey measures a company's ability to deliver on stakeholder expectations on the seven key rational dimensions of reputation such as products and services, innovation, workplace and governance.