WASHINGTON, D.C: Ogilvy Public Relations Worldwide has landed five new clients: the American Furniture Manufacturers Association, First Maryland Bancorps, Husky Labs, the National Highway Traffic Safety Administration and the International Association of Amusement Parks and Attractions. To keep up with the new business, the DC office has added seven employees. 'The new staff enhances Ogilvy PR's capabilities in print communications, graphic design, video production and interactive media,' said Marcia Silverman, president of the DC office. 'With added support in-house - as opposed to external freelancers - it is easier to assure clients that they'll get the best possible product.'.