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Exhibit 21.1
 Subsidiaries
as of December 31, 2005
 EXACT NAME OF REGISTRANT
    
    STATE OR OTHER JURISDICTION OFAS SPECIFIED IN ITS CHARTER
    
    INCORPORATION OR ORGANIZATIONLamar Media Corp.
    
    DelawareAmerican Signs, Inc.
    
    WashingtonCanadian TODS Limited
    
    Nova Scotia, CanadaColorado Logos, Inc.
    
    ColoradoDelaware Logos, L.L.C.
    
    DelawareFlorida Logos, Inc.
    
    FloridaKansas Logos, Inc.
    
    KansasKentucky Logos, LLC
    
    KentuckyLamar Advertising of Colorado Springs, Inc.
    
    ColoradoLamar Advertising of Kentucky, Inc.
    
    KentuckyLamar Advertising of Michigan, Inc.
    
    MichiganLamar Advertising of South Dakota, Inc.
    
    South DakotaLamar Advertising of Youngstown, Inc.
    
    DelawareLamar Air, L.L.C.
    
    LouisianaLamar Electrical, Inc.
    
    LouisianaLamar OCI North Corporation
    
    DelawareLamar OCI South Corporation
    
    MississippiLamar Pensacola Transit, Inc.
    
    FloridaLamar Tennessee, L.L.C.
    
    TennesseeLamar Texas General Partner, Inc.
    
    LouisianaLamar Texas Limited Partnership
    
    TexasMichigan Logos, Inc.
    
    MichiganMinnesota Logos, Inc.
    
    MinnesotaMissouri Logos, LLC
    
    MissouriNebraska Logos, Inc.
    
    NebraskaNevada Logos, Inc.
    
    NevadaNew Mexico Logos, Inc.
    
    New MexicoOhio Logos, Inc.
    
    OhioOutdoor Promotions West, LLC
    
    DelawareSouth Carolina Logos, Inc.
    
    South CarolinaTennessee Logos, Inc.
    
    TennesseeTexas Logos, L.P.
    
    TexasTLC Properties II, Inc.
    
    TexasTLC Properties, Inc.
    
    LouisianaTLC Properties, L.L.C.
    
    LouisianaTriumph Outdoor Holdings, LLC
    
    DelawareTriumph Outdoor Rhode Island, LLC
    
    DelawareUtah Logos, Inc.
    
    UtahVirginia Logos, LLC
    
    VirginiaThe Lamar Company, L.L.C.
    
    LouisianaLamar Advertising of Penn, LLC
    
    DelawareLamar Advertising of Louisiana, L.L.C.
    
    LouisianaLamar Florida, Inc.
    
    FloridaLamar Advan, Inc.
    
    PennsylvaniaLamar T.T.R., L.L.C.
    
    Arizona




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EXACT NAME OF REGISTRANT
    
    STATE OR OTHER JURISDICTION OFAS SPECIFIED IN ITS CHARTER
    
    INCORPORATION OR ORGANIZATIONLamar Advantage GP Company, LLC
    
    DelawareLamar Advantage LP Company, LLC
    
    DelawareLamar Advantage Outdoor Company, L.P.
    
    DelawareLamar Advantage Holding Company
    
    DelawareLamar Oklahoma Holding Company, Inc.
    
    OklahomaLamar Advertising of Oklahoma, Inc.
    
    OklahomaLamar Benches, Inc.
    
    OklahomaLamar I-40 West, Inc.
    
    OklahomaGeorgia Logos, L.L.C.
    
    GeorgiaMississippi Logos, L.L.C.
    
    MississippiNew Jersey Logos, L.L.C.
    
    New JerseyOklahoma Logos, L.L.C.
    
    OklahomaInterstate Logos, L.L.C.
    
    LouisianaLC Billboard L.L.C.
    
    DelawareLamar Ohio Outdoor Holding Corp.
    
    OhioOutdoor Marketing Systems, Inc.
    
    PennsylvaniaOutdoor Marketing Systems, L.L.C.
    
    PennsylvaniaLamar Advertising Southwest, Inc.
    
    NevadaLamar DOA Tennessee Holdings, Inc.
    
    DelawareLamar DOA Tennessee, Inc.
    
    DelawareMaine Logos, L.L.C.
    
    MaineWashington Logos, L.L.C.
    
    WashingtonStokely Ad Agency, L.L.C.
    
    OklahomaLamar California Acquisition Corporation
    
    CaliforniaHam Development Corporation
    
    California10 Outdoor Advertising, Inc.
    
    CaliforniaPremere Outdoor, Inc.
    
    IllinoisTLC Farms, L.L.C.
    
    LouisianaADvantage Advertising, LLC
    
    GeorgiaLamar Canadian Outdoor Company
    
    British Columbia, CanadaLamar Obie Corporation
    
    DelawareSelect Media, Inc.
    
    OregonO. B. Walls, Inc.
    
    OregonLamar Transit Advertising Canada Ltd.
    
    British Columbia, CanadaObie Billboard, LLC
    
    OregonLamar Central Outdoor, LLC
    
    Delaware