Here is a list of government organizations in Illinois which post all expenditures on line. You can click on the names in blue and review their numbers.  Belvidere School District 100, for most months post their checks on line as well. 
    (Updated on February 4th, 2008)
      
City of Bloomington      
City      
$164,363,931
    Bloomington Public Schools D87      
School District
    Bond Co. Community Unit School D2       
      
School District      
$5,031,675
    Bourbonnais Elementary School D53       
      
School District      
$19,781,080
    Bradley Bourbonnais Community High School D3     
School District      
$20,283,502
    Village of Brookfield      
Village      
$21,627,492
    Cary Community Consolidated School District 26      
School District      
$32,316,392
    Community Unit School District 300- Carpentersville      
School District      
N/A
    Champaign Community Unit School D4     
School District      
$99,799,256
    Coal City Community Unit School D1      
School District      
$23,883,528
    City of DeKalb      
City      
$29,005,032
    College of Dupage      
School District      
$23,233,156
    Dupage County      
County      
$480,600,000
    East Aurora Unit School D131     
School District      
N/A
    City of Elmhurst*      
City      
$112,900,349
    Elmhurst Park District      
Park District      
$17,446,673
    Elmhurst School District 205       
      
School District      
$89,379,988
    Geneva School District 304      
School District      
$743,745
    Genoa-Kingston Community Unit School D424       
      
School District      
$11,989,000
    Village of Golf     
Village      
$977,260
    Harlem Unit District 122       
      
School District      
$67,689,041
    Herscher Community Unit School District 2     
School District      
N/A
    Highland Park D113      
School District      
$73,729,141
    Huntley School District 158      
School District      
$72,564,192
    Illinois Valley Community College      
School District      
$33,942,948
    Kankakee Community College      
School District      
N/A
    Mahomet-Seymour Community Unit School District 3       
      
School District      
$27,058,856
    Mundelein Consolidated High School District 120      
School District      
$29,334,331
    Naperville Park District     
Park District      
N/A
    Niles Township Community High School D219       
      
School District      
N/A
    City of Oak Forest      
City      
$14,045,940
    Oak Grove School D68       
      
School District      
$12,882,080
    Oak Park and River Forest High School D200      
School District      
$44,428,998
    Oak Park Elementary District 97      
School District      
$61,132,644
    Village of Olympia Fields     
Village      
N/A
    Oswego Community Unit School D308      
School District      
N/A
    City of Ottawa      
City      
$51,176,940
    Ottawa Elementary District 141      
School District      
$22,200,000
    Ottawa High School District 140      
School District      
$17,444,183
    Palatine Community Consolidated D15       
      
School District      
N/A
    Proviso Township High School D209      
School District      
$68,986,889
    Reed Custer D225U      
School District      
$23,860,500
    Village of Riverside*      
Village      
$15,849,849
    Riverside-Brookfield High School District 208      
School District      
$20,336,647
    Rock Island School D41       
      
School District      
N/A
    Village of Rolling Meadows       
      
Village      
$51,263,159
    Sherrard Community Unit School District 200      
School District      
$15,387,485
    Spoon River Valley Community Unit School D4       
      
School District      
$3,992,834
    Urbana Free Library     
Library District      
N/A
    Valley View Community Unit School D365U       
      
School District      
$243,418,494
    Waukegan Public School District 60       
      
School District      
$115,464,033
    West Aurora D129      
School District      
$123,333,982
    West Chicago CHSD 94      
School District      
N/A
    Westmont Community Unit School D201       
      
School District      
$28,166,450
    Wheatland Township      
Township      
N/A
    Wheaton Community Unit School D200      
School District      
$213,690,094
    Wheaton Park District     
Park District      
$30,435,159
       Illinois Policy Institute - Who's Posting Expenditures Online in Illinois?