Combustion Systems Co., Inc.

Territory includes the following counties:

Adams, Schuyler, Mason, Logan, De Witt, Piatt, Champaign, Vermilion, Brown, Cass, Menard, Pike, Scott, Morgan, Sangamon, Macon, Douglas, Edgar, Calhoun, Greene, Macoupin, Montgomery, Christian, Shelby, Moultrie, Coles, Clark, Jersey, Madison, Bond, Fayette, Effingham, Cumberland, Jasper, Crawford, Monroe, St. Clair, Slinton, Marion, Clay, Richland, Lawrence, Washington, Jefferson, Wayne, Edwards, Wabash, Randolph, Perry, Franklin, Hamilton, White, Jackson, Williamson, Saline, Gallatin, Union, Johnson, Pope, Hardin, Alexander, Pulaski, Massac