Mercer LLC announced that its has partnered with an initial group of 10 major insurance carriers that will offer health insurance and other benefits through its private benefits exchange, Mercer Marketplace. The carriers include Aetna Inc., Cigna, Humana, UnitedHealthcare, Health Net and five Blue Cross and Blue Shield affiliates. Wellmark Blue Cross and Blue Shield, Iowa's largest health insurance provider, is not among the initial group of carriers. "We believe that these early-adopter providers - along with the additional firms we expect to announce very shortly - will deliver solutions through the innovative Mercer Marketplace platform that will provide enhanced value for our clients and their employees," said Julio Portalatin, Mercer's president and CEO. Mercer will administer the private exchange through its Urbandale operations center. To read a related Business Record story about private health exchanges, click here.