Your search The Insurance Board Under the Social Insurance Plan Ofbethlehem Steel Corporation and Subsidiarycompanies and Pennsylvania Blue Shieldand Pennsylvania Blue Cross v. Muir, William, Acting Insurance Commissioner of Thecommonwealth of Pennsylvania.appeal of Insurance Board Under the Social Insurance Plan Ofbethlehem Steel Corporation and Subsidiarycompanies, Pennsylvania Blue Shield Andblue Cross of Westernpennsylvania, Appellants did not match any document.