THE MIDLAND COMPANY AND SUBSIDIARIES EXHIBIT (21) - SUBSIDIARIES OF THE REGISTRANT DECEMBER 31, 2003 The subsidiaries of the registrant as of December 31, 2003, all of which are included in the consolidated financial statements, are as follows: PERCENTAGE STATE OF OF VOTING INCORPORATION STOCK OWNED ------------------ ---------------- M/G Transport Services, Inc. Ohio 100 Midland-Guardian Co. Ohio 100 MGT Services, Inc. Ohio 100 SUBSIDIARIES OF MIDLAND-GUARDIAN CO.: American Modern Insurance Group, Inc. Ohio 100 SUBSIDIARIES OF AMERICAN MODERN INSURANCE GROUP, INC.: American Modern Home Insurance Company Ohio 100 American Family Home Insurance Company Florida 100 American Modern Life Insurance Company Ohio 100 Lloyds Modern Corporation Texas 100 American Modern Home Service Company Ohio 100 Modern Services Group, Inc. Ohio 100 American Modern Financial Services, Inc. Ohio 100 SUBSIDIARIES OF AMERICAN MODERN HOME INSURANCE COMPANY: American Modern Lloyds Insurance Company Texas 100 American Southern Home Insurance Company Florida 100 American Western Home Insurance Company Oklahoma 100 G.U.I.C. Insurance Company Ohio 100 26