| Britt Industries | 43 | 48 | 12,048.24 |
| Northwest Community Hospital | 42 | 79 | 6,005.93 |
| Paddock Publications Inc | 41 | 46 | 11,599.72 |
| Brite-O-Matic Manufacturing Inc | 39 | 41 | 19.44 |
| Motorola Inc | 39 | 39 | 1,225.23 |
| Illinois Tollway - Maintenance Bldg 5 | 39 | 56 | 7,070.15 |
| Marathon Ashland Petroleum Llc | 39 | 68 | 24,146.46 |
| Weber Marking Systems Inc | 37 | 71 | 25,206.13 |
| Ameritech | 33 | 33 | 32,261.81 |
| Exxonmobil Oil Corp | 8 | 87 | 30,271.20 |
| Equilon Enterprises Llc | 8 | 24 | 25,710.49 |
| Citgo Petroleum Corp | 7 | 16 | 8,101.78 |
| Exxonmobil Oil Corp. Des Plaines Terminal | 6 | 12 | 3,623.06 |
| Buhrke Industries Inc | 4 | 7 | 20,108.00 |
| Nycomed Amersham Imaging | 3 | 3 | 219.00 |
| Superior Printed Circuits Inc | 2 | 7 | 23,160.00 |
| Magnacast Corp | 2 | 4 | 43.16 |
| Oxy-Dry Corp | 2 | 2 | 13.52 |
| Honeywell Inc Commercial Division | 1 | 2 | 1,300.00 |
| Prestige Cleaners | 1 | 1 | 2,300.00 |
| Kc Cleaners | 1 | 1 | 34.55 |
| West Shore Pipeline Co | 1 | 1 | 10,480.00 |
| Arlington Llc | 1 | 1 | 32,660.00 |
