| Alcore - Quarry Drive | 7 | 23 | 73,476.00 |
| American Colorgraphics | 8 | 64 | 68,832.00 |
| Clorox Prods. Mfg. Co. | 1 | 1 | 1.00 |
| Colonial Pipeline Company | 6 | 24 | 22,560.95 |
| Conestoga Wood Specialties | 1 | 1 | 3.15 |
| Constellation Power Source Generation | 16 | 43 | 110,393.13 |
| Cytec Engineered Materials | 11 | 236 | 321,328.00 |
| Harford Co. Wte Fac. | 14 | 38 | 1,194,178.39 |
| Independent Can Co. | 2 | 2 | 1,000.00 |
| J.M. Huber Corporation | 6 | 180 | 276,602.00 |
| Mccorquodale Color Card | 10 | 44 | 46,163.00 |
| Mid Atlantic Label | 4 | 20 | 21,326.00 |
| Price Brothers Co. - Perryman Md | 1 | 1 | 1.85 |
| Scarboro Landfill / Harford Waste Disposal Center | 28 | 28 | 6,972.25 |
| Sherwin Williams Cleaning Solutions | 6 | 26 | 23,456.00 |
| Spencer Rubble Landfill | 28 | 28 | 297.54 |
| U.S. Aberdeen Proving Grounds | 16 | 16 | 73.67 |
| Waste Energy Partners | 16 | 32 | 804,080.00 |