The Tidewater Life and Health Insurance Company is owned by its policy owners, who are entitled to certain rights as owners of the company, and it issues both participating and nonparticipating insurance policies. Tidewater is considering converting to the type of company that is owned by individuals who purchase shares of the company's stock. Tidewater is incorporated under the laws of Illinois, but it conducts business in the Canadian provinces of Ontario and Manitoba.

Tidewater established the Diversified Corporation, which then acquired various subsidiary firms that produce unrelated products and services. Tidewater remains an independent corporation and continues to own Diversified and the subsidiaries. In order to create and maintain a common vision and goals among the subsidiaries, the management of Diversified makes decisions about strategic planning and budgeting for each of the businesses.

By combining under Diversified a group of businesses that produce unrelated products and by consolidating the management of the businesses, Tidewater has achieved the type(s) of integration known as