MBS is a majority-owned subsidiary of Sealaska, the Regional Native Corporation of Southeast Alaska formed under federal law in 1971. The Corporation is owned by 20,000 individuals of Tlingit, Haida and Tsimshian descent and is dedicated to the preservation of these cultures.  Sealaska is a diverse company with products and services that include forest products, plastic injection molding and manufacturing, machining and prototyping, information technology, environmental service and aggregates.

Under federal law, Sealaska and its subsidiaries, joint ventures and partnerships are designated "minority and economically disadvantaged business enterprises." Sealaska is also certified by the National Minority Supplier Development Council. By providing diversity supply, Sealaska and MBS have ever-increasing strength in both the American and global economies.

Sealaska Mission—to maximize return on assets with a prudent level of risk, increase shareholder equity, and maximize dividends and other shareholder benefits for the purpose of enhancing shareholders’ quality of life.

Sealaska Philosophy—to protect and grow their corporate assets, to provide economic, cultural and social benefits to current and future generations of their shareholders.