Woolf-Harris, based in Harahan, La., a 38-year-old sales agency with traditional territorial responsibility for the states of Mississippi, Louisiana and the western portion of Tennessee, is expanding its coverage to include the entire state of Tennessee. Sales representatives have been hired and positioned in the key markets of Knoxville and Nashville. The support staff for this initiative will continue to be located in the New Orleans corporate office. Those lines that will be represented by Woolf-Harris in this new growth opportunity will be: A. O. Smith, Vitra, Alsons (central Tennessee), Parker Flex, Plastic Trends, Royal Pipe, Rocky Mountain Colby and Watco.