| Al'S Garden Art, Inc. | 6 | 6 | 25,126.40 |
| Aristech Chem Corp | 13 | 16 | 11,172.57 |
| Ashland Chemical Company | 12 | 12 | 2,089.06 |
| Basf Corp. (Colton) | 4 | 5 | 3,442.00 |
| Basf Corporation | 10 | 26 | 54,256.67 |
| Brithinee Electric | 10 | 23 | 10,226.06 |
| California Portland Cement Co | 33 | 1554 | 3,544,269.33 |
| Colton Refuse Disposal Site Landfill | 28 | 28 | 13,195.08 |
| Elementis Pigments Inc. | 1 | 2 | 10.00 |
| Gen American Transportation Co | 6 | 42 | 50,511.26 |
| Inland Empire Composting, Soderberg/Sullivan | 6 | 6 | 27,248.80 |
| J & J Sandblasting | 6 | 10 | 27,018.59 |
| Mcneilus Truck & Manufacturing | 7 | 9 | 5,243.00 |
| Montecito Memorial Park | 28 | 28 | 7,906.20 |
| Riverside Canal Power Company | 9 | 35 | 1.51 |
| San Bernardino County Waste Sy | 6 | 16 | 34,014.40 |
| Williams Furnace Co | 1 | 2 | 67.78 |
