Excerpt: Hannaford has frequently been touted as running one of the best wellness programs in the country .... Like other notable companies on the short list, Hannaford has a huge workforce -- 12,000 people -- and much to gain from improving the health of its employees. There are no exact figures on what the wellness program pays back for the more than $11 million in insurance discounts that it hands out in a year, says Udeh, but there is one very healthy trend line to boast about. 'Over the last two years, there's been a negative spending trend in medical, which is pretty unheard of,' says the wellness director. 'We're pretty sure a lot of the wellness initiatives are contributing.'