STEPHEN A. SMITH, d/b/a ABC SANITARY HAULING, JOHN APPL, d/b/a APPL SANITARY SERVICE, LAWRENCE W. BOLLER II, d/b/a AREA GARBAGE SERVICE, CHARLES H. MILLER, d/b/a C.H. MILLER SANITARY, CHRIS JOHNSON, d/b/a CHRIS’S SERVICE CO., EDDIE L. COOK, SR., d/b/a COOK’S SANITARY HAULING, DON CORY, d/b/a CORY SANITARY HAULING, RONALD E. HAYDEN, d/b/a HAYDEN SANITARY SERVICE, GORDON FICKLIN, d/b/a ILLINI SANITARY SERVICE, CHRIS YAGER, d/b/a KLEAN-WAY DISPOSAL, GEORGE McLAUGHLIN, d/b/a McLAUGHLIN SANITARY, CHERYL MANUEL, d/b/a ROLLAWAY WASTE, RONALD W. MANUEL, d/b/a RON MANUEL SANITARY, RUSSELL SHAFFER, d/b/a SHAFFER SANITARY CO., WILLIAM C. UDEN, d/b/a UDEN & SONS SANITARY HAULING, and WILLIS SANITARY HAULING, INC. v. CITY OF CHAMPAIGN, ILLINOIS INTERGOVERNMENTAL SOLID WASTE DISPOSAL ASSOCIATION, XL DISPOSAL CORPORATION, J.N. JONES COMPANY, and DUKE & ASSOCIATES