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  • Clients Include: ADP. American Express, Bank of America, Cognizant, UPS
  • Website:
  • Contact: [email protected]

Sullivan was founded in 1990 and was named to Inc. Magazine’s list of America’s Fastest Growing Private Companies for five years. The New York-based brand engagement firm hired Alison Grippo to head its digital strategy efforts. For wireless infrastructure company Crown Castle helped create a new brand platform, “Foundation for a Wireless World.” The initiative resulted in a 40% increase in unique website visits, time-to-market improvements for small-cell deployments and increased landowner leads.