Credit unions rank among the 12 highest companies for customer service according to 2015 Temkin Group research.

For the third straight year, USAA took the top spot in the 2015 Temkin Customer Service Ratings. Based on a study of 10,000 U.S. consumers, the ratings examine 278 companies across 20 industries. USAA earned the top spot for its banking business, followed by Chick-fil-A in the second spot. USAA was also in the top 12 with its insurance and credit card businesses, along with credit unions, Aldi, Trader Joe’s, Publix, Panera Bread, H-E-B,, and Bed Bath & Beyond.

Additionally credit unions were among the eight companies that scored at least 15 points above the industry averages.

USAA (banking) and TriCare (health plans) most outperformed their industry average scores. Eight other companies were at least 15 points above their industry averages: Georgia Power, USAA (credit cards and insurance), JetBlue Airlines, Chick-fil-A, Southern California Gas Company, Lexus, and credit unions.

For the second straight year, Comcast earned the lowest score in the Temkin Customer Service Ratings. The company took the bottom two spots for its TV service and Internet service businesses. Filling out the bottom of the ratings are Con Edison of New York, Cox Communications (for both Internet service and TV service), Charter Communications, Time Warner Cable (for both Internet service and TV service), Blackboard, Frontier, CenturyLink, and Cigna.