| South Dakota |
| Western Counties Harding, Buttle, Lawrence, Meade, Pennington, Custer, Fall River |
| Camber Process Equipment Company 6800 South Dawson Circle, #200 Englewood, CO 80112 Telephone: (303) 766-8320 Fax: (303) 766-7963 Email: camber@mho.net |
| Eastern Counties Hughes, Jackson, Shannon, Bennett, Todd, Mellette, Jones, Tripp, Lyman, Buffalo, Brule, Charles Mix, Douglas, Aurora, Jerauld, Sanborn, Davison, Hanson, McCook, Minnehana, Lincoln, Turner, Hutchinson, Bon Homme, Yankton, Clay, Union, Moody, Lake, Miner, Haakon, Brookings, Devel, Hamlin, Codington, Kingsbury, Clark, Beadle, Spink, Hand, Hyde, Faulk, SCully, Pooter, Stanley, Grant, Day, Edmunds, Walworth, Dewey, Ziebach, Roberts, Marshall, Brown, McPherson, Campbell, Corson, Perkins |
| Mellema Company 1120 East 80th St. Suite 104 Minneapolis, MN 55425 Telephone: (952) 851-9636 Fax: (952) 851-9709 Email: plamellema@aol.com |