Nigerian cellco Glo Mobile has signed up five million customers, just two years after launching operations. The cellco is the second largest in the country, after MTN Nigeria. It also competes with Vee Networks and Nitel GSM. At the end of September 2005 there were 15.8 million mobile subscribers in Nigeria. Glo Mobile, MTN and Nitel all plan to launch 3G services in 2006.