Admar Group Inc.: A Des Moines company...

Admar Group Inc.: A Des Moines company has signed an agreement to buy Santa Ana-based Admar, a packager of health-care programs, for about $20 million in cash. The acquisition of Admar by Principal Health Care, a unit of Des Moines-based Principal Financial Group, is subject to approval by Admar shareholders. The companies said the purchase is expected to be completed in 90 days. The Principal Financial Group manages more than $52 million in assets and owns Principal Mutual Life Insurance Co., the 10th-largest life insurer in the country.