FALLS CHURCH, VA (PRWEB) SEPTEMBER 21, 2011 Polu Kai Services, an emerging provider of professional, construction, and environmental services, has been named to Inc. magazine’s 2011 Inc. 500|5000 list for the third consecutive year. Inc. 500 is an exclusive annual ranking of the fastest-growing entrepreneurial businesses in the United States. Polu Kai placed 156 in the top 500 list, due to an extraordinary three-year growth rate of 1,847 percent. This was preceded by a ranking of 2669 in the Inc. 5000 listing in 2009 and 276 in 2010. The company will be officially recognized for its achievement at the Inc. 500 conference in Washington, D.C. on September 22-24.