Two-Year Growth Rate: 310.30%
Top Executive: Sudhakar Kesavan, Chairman and CEO
Location: Fairfax, Va.
2007 Net Sales: $727.12 million
ICF International partners with government and commercial clients to deliver consulting services and technology solutions in the energy, climate change, environment, transportation, social programs, health, defense, and emergency management markets. This month, the solution provider was singled out as the leader in climate change consulting services by Verdantix, an independent business research firm focused on climate change, carbon markets, and corporate responsibility.