Signal Theory

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Established in 1971, Sullivan Higdon & Sink is an advertising agency that provides a range of marketing and brand development solutions for commercial and industrial clients. With annual revenue of more than $90 million, it operates offices in Kansas, Missouri and Washington, D.C. The company s products include postcards, podcasts, widgets and press releases. It offers branding, sales, reporting, copywriting, Web hosting and planning services. The company s clients include Cargill Meat Solutions, Cessna Aircraft Company, Swiss Re, Lycoming, Hinkle Elkouri, American Century Investments, Kansas Health Foundation, Shatto Milk Company and Westar Energy. Sullivan Higdon & Sink additionally offers services to Rolls-Royce North America, Xcelaero and DRS Technologies.