Curious to know which PR firms are working for Coca-Cola? Answer: Dublin & Assocs.; Manning Selvage & Lee; Robinson Assocs.; College Hill, U.K.; Icon Group; and Crawley Haskins. How did we find this out? Simple. We just used the handy "client search tool" on the website of O'Dwyer's PR Daily. Go ahead, try it yourself. Just enter a company's name and hit the submit button: