| Largest Taxpayers in Penn Manor School District | ||
| Taxpayer | Business | 2002-2003 Assessment |
| Armstrong World Industries | Product | $ 37,221,400 |
| Pennsylvania Power & Light | Land | $ 20,979,800 |
| Murry Development Corp. | Golf Course, Land, Investment Properties | $ 19,514,000 |
| Safe Harbor Water & Power Co. | Land | $ 10,845,300 |
| Sun Pheasant Ridge LLC | Housing | $ 10,181,800 |
| Student Lodging | Housing | $ 8,906,300 |
| Exelon Generation Company | Land | $ 7,503,000 |
| Two Holdings, Inc. | Product | $ 5,183,000 |
| Conestoga Country Club | Golf Course, Private Club | $ 4,529,600 |
| Lynnebrook & Woodbrook | Housing | $ 4,299,300 |
| Totals | $ 129,163,500 | |