Exhibit 21.1 AMERIHOST PROPERTIES, INC. LISTING OF SUBSIDIARIES State of Incorporation Ownership Entity or Organization Percentage Amerihost Development, Inc. Illinois 100.00% Amerihost International, Inc. Delaware 100.00% Amerihost Lodging Group, Inc. Delaware 100.00% Amerihost Management, Inc. Illinois 100.00% Amerihost Renovations, Inc. Illinois 100.00% Amerihost Staffing, Inc. Illinois 100.00% AP Equities of Arkansas, Inc. Arkansas 100.00% AP Equities of Florida, Inc. Florida 100.00% AP Equities of Indiana, Inc. Indiana 100.00% AP Equities of Ohio, Inc. Ohio 100.00% AP Hotels of Georgia, Inc. Georgia 100.00% AP Hotels of Illinois, Inc. Illinois 100.00% AP Hotels of Kansas, Inc. Kansas 100.00% AP Hotels of Michigan, Inc. Delaware 100.00% AP Hotels of Mississippi, Inc. Mississippi 100.00% AP Hotels of Ohio, Inc. Delaware 100.00% AP Hotels of Pennsylvania, Inc. Pennsylvania 100.00% AP Hotels of Texas, Inc. Delaware 100.00% AP Hotels of Vermont, Inc. Vermont 100.00% AP Hotels of Vermont, Inc. Delaware 100.00% AP Hotels of West Virginia, Inc. West Virginia 100.00% AP Lodging of Ohio, Inc. Ohio 100.00% AP Properties of Ohio, Inc. Ohio 100.00% API of Indiana, Inc. Indiana 100.00% API of Wisconsin, Inc. Wisconsin 100.00% Hammond Investors, Inc. Indiana 100.00% Niles Illinois Hotel Corporation Illinois 100.00% Schiller Park Investors, Inc. Illinois 100.00% Shorewood Hotel Investments, Inc. Illinois 100.00% Shorewood Investors, Inc. Illinois 100.00% AP Hotels of West Virginia, Inc. West Virginia 100.00% AmeriHost Inns of Illinois, Inc. Illinois 100.00% AmeriHost Inns of Ohio, Inc. Ohio 100.00% AP Hotels of Wisconsin, Inc. Wisconsin 100.00% AP Hotels of Iowa, Inc. Iowa 100.00% AP Hotels of Kentucky, Inc. Kentucky 100.00% API/Crawfordsville, Inc. Indiana 100.00% API/Cloverdale, Inc. Indiana 100.00% API/Marysville, Inc. Ohio 100.00% API/Plainfield, Inc. Indiana 100.00% AP Hotels of California, Inc. California 100.00% AmeriHost Inns of Michigan, Inc. Michigan 100.00% AP Hotels of Missouri, Inc. Missouri 100.00% AP Properties of Mississippi, Inc. Mississippi 100.00% Sullivan Motel Associates, Ltd. Indiana 56.00% White River Junction, VT 393 Limited Partnership Vermont 83.30% Metropolis, IL 1292 Limited Partnership Illinois 54.90% Tuscola, Illinois 593 Limited Partnership Illinois 100.00% Bowling Green, Ohio 590 Limited Partnership Ohio 64.16% Findlay, Ohio 391 Limited Partnership Ohio 56.67% Dayton, Ohio 1291 Limited Partnership Ohio 61.50% Altoona, PA 792 Limited Partnership Pennsylvania 62.78% New Philadelphia, Ohio 1092 Limited Partnership Ohio 50.35% Kenton, Ohio 1095 Limited Partnership Ohio 52.50%