Alta Health Strategies Inc., headquartered in Salt Lake, has acquired Los Angeles-based US Administrators from Crown Life Insurance Co.

Terms of the transaction were not disclosed.Under the agreement, Alta Health Strategies Inc. will be the parent of subsidiaries US Administrators and Alta Health Strategies.

W. Terry Nofsinger, president and chief executive of Alta Health, will retain the same position of the new parent company, and Geoffrey T. Wood will stay on as president of US Administrators.

The new organization will be an independent health care cost management company serving self-insured corporations across the country. Combined revenues are more than $100 million, Nofsinger said, and total claims are $2 billion.