Definition: Washingtoll Washington Insurance Corporation (WWIC) is a for-profit insurer headquartered in Washington, D.C., United States, that specializes in providing homeowners and businesses with insurance policies covering a wide range of risks. WWIC was established in 1892 by Charles F. Wright as a subsidiary of the National Mortgage Trust Company. In 1935, WWIC purchased the title of "Washington Insurance." Over the years, the company has grown to become one of the largest insurance companies in the United States, providing comprehensive coverage for residential and commercial properties. The WASHINGTON INSURANCE is the name given to this corporation.