EXHIBIT 21.1

STATE OR OTHER
JURISDICTION OF IRS EMPLOYER
EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS INCORPORATION OR IDENTIFICATION
CHARTER ORGANIZATION NUMBER
- -------------------------------------------- ---------------- --------------

Lamar Media Corp. Delaware 72-1205791
Lamar Advertising Company Delaware 72-1449411
American Signs, Inc. Washington 91-1642046
Canadian TODS Limited Nova Scotia, Canada N/A
Colorado Logos, Inc. Colorado 84-1480715
Delaware Logos, L.L.C. Delaware 51-0392715
Florida Logos, Inc. Florida 65-0671887
Hardin Development Corporation Florida 59-3194679
Kansas Logos, Inc. Kansas 48-1187701
Kentucky Logos, LLC Kentucky 62-1839054
Lamar Advertising of Colorado Springs, Inc. Colorado 72-0931093
Lamar Advertising of Kentucky, Inc. Kentucky 61-1306385
Lamar Advertising of Michigan, Inc. Michigan 38-3376495
Lamar Advertising of South Dakota, Inc. South Dakota 46-0446615
Lamar Advertising of Youngstown, Inc. Delaware 23-2669670
Lamar Air, L.L.C. Louisiana 72-1277136
Lamar Electrical, Inc. Louisiana 72-1392115
Lamar OCI North Corporation Delaware 38-2885263
Lamar OCI South Corporation Mississippi 64-0520092
Lamar Pensacola Transit, Inc. Florida 59-3391978
Lamar Tennessee, L.L.C. Tennessee 72-1309007
Lamar Texas General Partner, Inc. Louisiana 72-1309003
Lamar Texas Limited Partnership Texas 72-1309005
Michigan Logos, Inc. Michigan 38-3071362
Minnesota Logos, Inc. Minnesota 41-1800355
Missouri Logos, LLC Missouri 72-1485587
Nebraska Logos, Inc. Nebraska 72-1137877
Nevada Logos, Inc. Nevada 88-0373108
New Mexico Logos, Inc. New Mexico 85-0446801
Ohio Logos, Inc. Ohio 72-1148212
Outdoor Promotions West, LLC Delaware 22-3598746
Parsons Development Company Florida 59-3500218
Revolution Outdoor Advertising, Inc. Florida 59-3418650
South Carolina Logos, Inc. South Carolina 58-2152628
Tennessee Logos, Inc. Tennessee 62-1649765
Texas Logos, L.P. Texas 72-1490894
TLC Properties II, Inc. Texas 72-1336624
TLC Properties, Inc. Louisiana 72-0640751
TLC Properties, L.L.C. Louisiana 72-1417495
Transit America Las Vegas, L.L.C. Delaware 88-0386243
Triumph Outdoor Holdings, LLC Delaware 13-3990438
Lamar Transit Advertising of New Orleans, LLC Delaware 52-2122268
Triumph Outdoor Rhode Island, LLC Delaware 05-0500914
Utah Logos, Inc. Utah 72-1148211
Virginia Logos, LLC Virginia 62-1839208
The Lamar Company, L.L.C. Louisiana 72-1462298
Lamar Advertising of Penn, LLC Delaware 72-1462301
Lamar Advertising of Louisiana, L.L.C. Louisiana 72-1462297
</Table>

Lamar Florida, Inc. Florida 72-1467178
Lamar Advan, Inc. Pennsylvania 25-1736076
Lamar Advertising of Iowa, Inc. Iowa 42-1474840
Lamar T.T.R., L.L.C. Arizona 86-0928767
Lamar Central Outdoor, Inc. Delaware 76-0637519
Lamar Advantage GP Company, LLC Delaware 72-1490891
Lamar Advantage LP Company, LLC Delaware 76-0637519
Lamar Advantage Outdoor Company, L.P. Delaware 74-2841299
Lamar Advantage Holding Company Delaware 76-0619569
Lamar Oklahoma Holding Company, Inc. Oklahoma 73-1474290
Lamar Advertising of Oklahoma, Inc. Oklahoma 73-1178474
Lamar Benches, Inc. Oklahoma 73-1524386
Lamar I-40 West, Inc. Oklahoma 73-1498886
Georgia Logos, L.L.C. Georgia 72-1469485
Mississippi Logos, L.L.C. Mississippi 72-1469487
New Jersey Logos, L.L.C. New Jersey 72-1469048
Oklahoma Logos, L.L.C. Oklahoma 72-1469103
Interstate Logos, L.L.C. Louisiana 72-1490893
LC Billboard L.L.C. Delaware 63-1692342
Lamar Ohio Outdoor Holding Corp. Ohio 34-1597561
Outdoor Marketing Systems, Inc. Pennsylvania 23-2659279
Outdoor Marketing Systems, LLC Pennsylvania 23-2659279
Lamar Advertising Southwest, Inc. Nevada 85-0113644
Lamar DOA Tennessee Holdings, Inc. Delaware 41-1991164
Lamar DOA Tennessee, Inc. Delaware 41-1882464
Maine Logos, L.L.C. Maine 72-1492985
Trans West Outdoor Advertising, Inc. California 33-0825978
Rador, Inc. Massachusetts 04-2012365
Lamar Delite Ohio, Inc. Delaware 41-1991167
Delite Outdoor Advertising of Ohio, Inc. Delaware 41-1885686
Advantage Outdoor Advertising, Inc. Georgia 58-2384961
</Table>