Every year, Satmetrix® releases our Net Promoter® Benchmarks, a series of reports that rank leading companies using the Net Promoter Score (NPS®). This year we surveyed more than 23,000 U.S. consumers to rank over 200 brands across 22 sectors, including financial services, insurance, technology, online services, retail, travel and communications.

It’s always interesting to see the trends that emerge in loyalty within sectors, which we calculate....