Sumitomo Corporation of Americas | 17,314 followers on LinkedIn. One of the world's leading trading & business investment companies | Enriching Lives and the World | SUMITOMO CORPORATION OF AMERICAS: AN INVESTMENT AND SOLUTIONS PROVIDER Strategic investments have transformed Sumitomo Corporation of Americas (SCOA) from a traditional trading company into a 21st century integrated business enterprise. These investments have allowed SCOA to expand into new and emerging areas of business while making us a better solutions provider to our current customers.