WABAN, Mass. — Sam's Club has the most loyal customers, according to a new study by Temkin Group. The report, "2012 Temkin Loyalty Ratings," rated the loyalty that consumers have to 206 large companies across 18 industries.
Only seven companies earned "very strong" loyalty ratings. In addition to the retailers listed above, credit unions and USAA earned the distinction. Sam’s Club had the most loyal customers across all industries, with a loyalty rating of 65%.