By Alina Selyukh LAS VEGAS (Reuters) – Regulating internet providers more like public utility companies could hurt the Internet and the U.S. Thirty-three companies including Cisco Systems Inc, Intel Corp and International Business Machines Corp joined the chorus of citizens, activists, lawmakers and companies debating how the U.S. Other companies signing a letter to Pritzker published on Tuesday included Alcatel Lucent SA, Ericsson, Nokia Oyjs network arm NSN, Panasonic Corp of North America and CommScope Holding Co Inc. The Federal Communications Commission (FCC) is considering so-called net neutrality rules that would determine how ISPs such as Comcast Corp and Verizon Communications Inc manage web traffic on their networks.