9. FleishmanHillard

9. FleishmanHillard

$31,531,905
FleishmanHillard has clients in a variety of industries, including government, health care and energy. The firm, which describes itself as being driven by “the power of true,” has consistently ranked within the top three of the world’s highest-paid public relations companies for the past five years, according to the World PR Report. In addition to its work for the American Petroleum Institute, FleishmanHillard has advanced the agendas of ConocoPhillips, the Rockies Express Pipeline — a 1,700-mile natural gas pipeline from Colorado to Ohio — and the Canadian government to promote development of its oil sands.

Top clients:

  • American Petroleum Institute: $27,628,076
  • CropLife America: $1,524,823
  • Airports Council International (North American Region of the Airports Council International): $1,090,310
  • National Business Aviation Association: $1,288,696