Kirbo's Office Systems coverage area includes but is not limited to the following counties of central and West Texas: Bell, Bosque, Brown, Coke, Coleman, Comanche, Concho, Coryell, Crockett, Eastland, Edwards, Erath, Hamilton, Hood, Irion, Johnson, Kinney, Lampasas, Mason, Maverick, Menard, McCulloch, Milam, Mills, Palo Pinto, Parker, Reagan, Runnels, San Saba, Schleicher, Somerville, Sterling, Sutton, Tarrant, Tom Green, Uvalde, Val Verde and Williamson.