What were the largest lobbying contracts on Washington DC's power corridor, K Street [3], in 2004? According to The Hill, top honors go to the Asbestos Study Group [4], who paid $5.5 million for six months of "lobbying and substantive expertise." The Asbestos Study Group is "a group of large companies that have been defendants in asbestos lawsuits," including Halliburton [5] and Viacom [6]. The "Patient Safety/ Pharmaceutical Systems Group," which includes Pfizer, Wyeth, Johnson & Johnson and other drug companies, paid $1.4 million for lobbying on "general patient safety and related pharmaceutical issues." Other major lobbiers include the Business Roundtable, Microsoft [7], United Airlines and Hewlett Packard.