| Laclede Steel Co | 47 | 256 | 2,896,631.39 |
| Alton Mental Health & Developmental Ctr | 38 | 161 | 18,836.26 |
| Conagra Inc | 37 | 106 | 25,616.06 |
| St Anthonys Hospital | 40 | 64 | 14,724.21 |
| Alton Memorial Hospital | 40 | 63 | 480.45 |
| St. Clare'S Hospital | 39 | 62 | 32,322.18 |
| Kienstra Inc | 39 | 53 | 82,276.29 |
| Ready Mix Services Inc | 39 | 53 | 54,825.17 |
| City Of Alton - Department Of Public Works | 38 | 38 | 775.10 |
| Alton Municipal Landfill | 28 | 28 | 1,198.01 |
| Mississippi Lime Co | 5 | 24 | 9,470.72 |
| Dynegy Wood River Power Station | 7 | 9 | 83,013.60 |
| Thomeczek Oil Co | 7 | 7 | 14.61 |
| Mississippi Lime Co | 2 | 6 | 9,860.00 |
| Jefferson Smurfit Corp | 6 | 6 | 860.01 |
| Charles E Mahoney | 6 | 6 | 44,200.00 |
| National Vinegar Co | 1 | 5 | 25,420.00 |
| Lippold Construction Co Inc /Dba Alby Quarry | 2 | 5 | 15,960.00 |
| Gateway Laser Technology Inc | 3 | 3 | 1,540.00 |
| Alton Water Treatment Facility | 3 | 3 | 8,380.00 |
| Nd Inc | 1 | 2 | 22,380.00 |
| Try Finer Cleaners | 1 | 1 | 2,380.00 |
| Temple Cleaners | 1 | 1 | 580.00 |