Wellmark Inc. has hired the Health & Wellness Institute L.L.C. to run on-site and community-based worksite wellness programs for at least 3 years.

Wellmark, Des Moines, Iowa, provides or administers health coverage for about 2 million people through Wellmark Blue Cross and Blue Shield of Iowa, Wellmark Blue Cross and Blue Shield of South Dakota, and other subsidiaries.

HWI, Providence, R.I., specializes in preventing and helping workers cope with chronic health problems.