EXHIBIT 21.1 SUBSIDIARIES OF THE COMPANY STATE OR OTHER JURISDICTION EXACT NAME OF SUBSIDIARY OF INCORPORATION OR AS SPECIFIED IN ITS CHARTER ORGANIZATION --------------------------- --------------------------- American Signs, Inc. Washington Canadian TODS Limited Nova Scotia, Canada Colorado Logos, Inc. Colorado Delaware Logos, L.L.C. Delaware Florida Logos, Inc. Florida Hardin Development Corporation Florida Kansas Logos, Inc. Kansas Kentucky Logos, LLC Kentucky Lamar Advertising of Colorado Springs, Inc. Colorado Lamar Advertising of Kentucky, Inc. Kentucky Lamar Advertising of Michigan, Inc. Michigan Lamar Advertising of South Dakota, Inc. South Dakota Lamar Advertising of Youngstown, Inc. Delaware Lamar Air, L.L.C. Louisiana Lamar Electrical, Inc. Louisiana Lamar OCI North Corporation Delaware Lamar OCI South Corporation Mississippi STATE OR OTHER JURISDICTION EXACT NAME OF SUBSIDIARY OF INCORPORATION OR AS SPECIFIED IN ITS CHARTER ORGANIZATION --------------------------- --------------------------- Lamar Pensacola Transit, Inc. Florida Lamar Tennessee, L.L.C. Tennessee Lamar Texas General Partner, Inc. Louisiana Lamar Texas Limited Partnership Texas Michigan Logos, Inc. Michigan Minnesota Logos, Inc. Minnesota Missouri Logos, LLC Missouri Nebraska Logos, Inc. Nebraska Nevada Logos, Inc. Nevada New Mexico Logos, Inc. New Mexico Ohio Logos, Inc. Ohio Outdoor Promotions West, LLC Delaware Parsons Development Company Florida Revolution Outdoor Advertising, Inc. Florida South Carolina Logos, Inc. South Carolina Tennessee Logos, Inc. Tennessee Texas Logos, L.P. Texas TLC Properties II, Inc. Texas TLC Properties, Inc. Louisiana TLC Properties, L.L.C. Louisiana Transit America Las Vegas, L.L.C. Delaware STATE OR OTHER JURISDICTION EXACT NAME OF SUBSIDIARY OF INCORPORATION OR AS SPECIFIED IN ITS CHARTER ORGANIZATION --------------------------- --------------------------- Triumph Outdoor Holdings, LLC Delaware Lamar Transit Advertising of New Orleans, LLC Delaware Triumph Outdoor Rhode Island, LLC Delaware Utah Logos, Inc. Utah Virginia Logos, LLC Virginia The Lamar Company, L.L.C. Louisiana Lamar Advertising of Penn, LLC Delaware Lamar Advertising of Louisiana, L.L.C. Louisiana Lamar Florida, Inc. Florida Lamar Advan, Inc. Pennsylvania Lamar Advertising of Iowa, Inc. Iowa Lamar T.T.R., L.L.C. Arizona Lamar Central Outdoor, Inc. Delaware Lamar Advantage GP Company, LLC Delaware Lamar Advantage LP Company, LLC Delaware Lamar Advantage Outdoor Company, L.P. Delaware Lamar Advantage Holding Company Delaware Lamar Oklahoma Holding Company, Inc. Oklahoma Lamar Advertising of Oklahoma, Inc. Oklahoma Lamar Benches, Inc. Oklahoma STATE OR OTHER JURISDICTION EXACT NAME OF SUBSIDIARY OF INCORPORATION OR AS SPECIFIED IN ITS CHARTER ORGANIZATION --------------------------- --------------------------- Lamar I-40 West, Inc. Oklahoma Georgia Logos, L.L.C. Georgia Mississippi Logos, L.L.C. Mississippi New Jersey Logos, L.L.C. New Jersey Oklahoma Logos, L.L.C. Oklahoma Interstate Logos, L.L.C. Louisiana LC Billboard L.L.C. Delaware Lamar Ohio Outdoor Holding Corp. Ohio Outdoor Marketing Systems, Inc. Pennsylvania Outdoor Marketing Systems, LLC Pennsylvania Lamar Advertising Southwest, Inc. Nevada Lamar DOA Tennessee Holdings, Inc. Delaware Lamar DOA Tennessee, Inc. Delaware Maine Logos, L.L.C. Maine Trans West Outdoor Advertising, Inc. California Washington Logos, L.L.C. Washington Lamar Pinnacle Acquisition Co. Georgia Missouri Logos, a Partnership Missouri