When it comes to helping you grow your business, you need a name that you can rely on. CWI Retail Systems has been helping retail establishments, independent grocers and companies in the hospitality industry to expand their businesses since 1982. Computer World Inc. In 2009 Computer World, Inc. merged with CCR Retail Systems, est. 1971, and now operates under the name CWI Retail Systems. We proudly serve markets in Maryland, West Virginia, Virginia, North Carolina, South Carolina and the District of Columbia.