Walker Information, an Indianapolis research and consulting firm that tracks customer satisfaction, conducted a survey of more than 2,000 large corporations in March and found that Research in Motion, maker of the poupular BlackBerry wireless email device, is a leader in customer loyalty. 

This news comes as part of a larger survey to guage customer satisfaction and loyalty of 37 different brands in five sectors of telecom: wireless service, local voice, long-distance voice, Internet service and wireless handsets. Verizon was the only wireless provider to be named a leader while Research in Motion, Motorola, Nokia, and Sony Ericsson were all named leaders in the wireless handset category.

“These findings could be the wireless service providers’ worst nightmare if they indicate a shift in preference to the mobile handset [manufacturers],” said Iain Gillott, president of iGillott Research, a wireless industry consulting and research firm.

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